Providers Kyla Kossow to Roza Kostecki
300 individual NPIs in the federal registry, part 11,761 of 24,427 of the A to Z by surname. Each row is the registry's record: the name and credential, the NPI, the primary specialty, the practice city and the year the NPI was issued. 115 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Kyla Kossow | 1205410180 | Behavior Technician | Lynnwood, WA | 2021 |
| Lynne Kossow, MD | 1659390193 | Internal Medicine Physician | Princeton, NJ | 2006 |
| Michael Kossow, O.D. | 1740324631 | Optometrist | Amherst, OH | 2007 |
| Mikenna Kossow | 1134053036 | Professional Counselor | Arvada, CO | 2026 |
| Robert Kossow, RPH | 1811024615 | Pharmacist | West Bend, WI | 2007 |
| Ronald Kossow, MD | 1710972849 | Radiation Oncology Physician | Kettering, OH | 2005 |
| William Kossow, MD | 1265450480 | Physical Medicine & Rehabilitation Physician | Salina, KS | 2006 |
| Anne Kossowan, DDS | 1679754899 | Orthodontics and Dentofacial Orthopedics Dentistry | New York, NY | 2007 |
| Mary Kossowski, PHARM.D. | 1932442753 | Pharmacist | Naples, FL | 2013 |
| Emily Kossowsky, LMHC | 1174957682 | Mental Health Counselor | Peabody, MA | 2013 |
| Allen Kossoy, DO | 1558370007 | Allergy & Immunology Physician | Topeka, KS | 2006 |
| Colby Kossoy, LMHC | 1356921951 | Mental Health Counselor | New York, NY | 2021 |
| Elaina Kossoy, LGPC | 1942998026 | Mental Health Counselor | Bel Air, MD | 2023 |
| Kent Kossoy, MD | 1356322416 | Colon & Rectal Surgery Physician | Vicksburg, MS | 2005 |
| Mary Kossoyan | 1962293944 | Behavior Technician | Calabasas, CA | 2025 |
| Lee Kosstrin, M.D. | 1447632740 | Family Medicine Physician | Orlando, FL | 2015 |
| Barbara Kossut, MD | 1326046111 | Emergency Medicine Physician | Elgin, IL | 2005 |
| Cathy Kossuth, RPT | 1295892214 | Physical Therapist | Saint James, MO | 2007 |
| Jeannette Kossuth, LCSW | 1255561924 | Clinical Social Worker | New York, NY | 2009 |
| Lisa Kossuth, MA | 1982008892 | Professional Counselor | Old Forge, PA | 2014 |
| Martha Kossuth | 1174240881 | Addiction (Substance Use Disorder) Counselor | Santa Fe Springs, CA | 2022 |
| Michael Kossuth, PT | 1659767408 | Physical Therapist | Grapevine, TX | 2015 |
| Sara Kossuth, D.O. | 1417902974 | Emergency Medicine Physician | Big Bear Lake, CA | 2006 |
| Sara Kossuth, D.O. | 1417930603 | Pulmonary Disease Physician | West Hills, CA | 2005 |
| Therese Kossuth, PA-C | 1164469094 | Medical Physician Assistant | Palm Harbor, FL | 2006 |
| Christina Kosswig, D.C | 1699979716 | Chiropractor | Farmington, CT | 2007 |
| Rachael Kossy, LPC | 1124765946 | Counselor | Chicago, IL | 2022 |
| Elena Kossyreva, M.D. | 1316326630 | Student in an Organized Health Care Education/Training Program | Milwaukee, WI | 2015 |
| Adam Kost, MD | 1255630422 | Hospitalist Physician | Palos Heights, IL | 2011 |
| Alan Kost, LCSW | 1255311874 | Clinical Social Worker | Skokie, IL | 2006 |
| Amanda Kost, MD | 1306958418 | Family Medicine Physician | Seattle, WA | 2006 |
| Amanda Kost, D.O. | 1659647188 | Endocrinology, Diabetes & Metabolism Physician | Middletown, CT | 2012 |
| Amber Kost, BS, MS | 1275339202 | Mental Health Counselor | Hutchinson, MN | 2025 |
| Andrea Kost | 1891677563 | Case Manager/Care Coordinator | Rapid City, SD | 2025 |
| Andrew Kost, CAA | 1033861729 | Anesthesiologist Assistant | Green Bay, WI | 2022 |
| Andrew Kost, CAA | 1457986689 | Anesthesiologist Assistant | New Albany, IN | 2020 |
| Angela Kost, MS,OTR | 1396140976 | Pediatric Occupational Therapist | Indianapolis, IN | 2014 |
| Anthony Kost, PRS | 1851040034 | Peer Specialist | Cleveland, OH | 2022 |
| Ashley Kost, RN | 1386038867 | Registered Nurse | University Park, PA | 2015 |
| Ashley Kost | 1598001836 | Occupational Therapist | Allston, MA | 2012 |
| Audrey Kost | 1295779643 | Physician Assistant | Sioux Falls, SD | 2006 |
| Benjamin Kost, SLP | 1205598646 | Speech-Language Pathologist | Decorah, IA | 2021 |
| Brandi Kost, APRN | 1477076487 | Family Nurse Practitioner | Owensboro, KY | 2017 |
| Brenda Kost, LCSW | 1639011299 | Mental Health Counselor | Casper, WY | 2026 |
| Briana Kost, PA-C | 1972504983 | Medical Physician Assistant | Pittsburgh, PA | 2005 |
| Brianna Kost | 1164132205 | Behavior Technician | Frackville, PA | 2022 |
| Caitlyn Kost, DPT | 1306324652 | Physical Therapist | Reston, VA | 2018 |
| Cecily Kost, M.A. | 1528551199 | Mental Health Counselor | Wareham, MA | 2018 |
| Chaya Sarah Kost, LPC | 1902402670 | Professional Counselor | Northbrook, IL | 2020 |
| Cody Kost | 1629758792 | Acupuncturist | Salem, VA | 2023 |
| Colleen Kost, LMP | 1881969830 | Specialist | Lacey, WA | 2012 |
| Cory Kost, DO | 1730709619 | Neurology Physician | Las Vegas, NV | 2020 |
| Dana Kost, DMD | 1467341701 | Student in an Organized Health Care Education/Training Program | New York, NY | 2025 |
| Debbie Kost, P.T. | 1922235761 | Physical Therapist | Loveland, CO | 2009 |
| Donna Kost, D.C. | 1831228923 | Chiropractor | Ephrata, PA | 2007 |
| Edward Kost, M.D. | 1184615452 | Gynecologic Oncology Physician | San Antonio, TX | 2005 |
| Eranne Kost | 1952840365 | Pharmacist | Paola, KS | 2017 |
| Gerald Kost, M.D., PH.D. | 1487636114 | Specialist | Sacramento, CA | 2005 |
| Gordon Kost, RPH | 1992231906 | Pharmacist | Modesto, CA | 2017 |
| Gwendolyn Kost, PT | 1265408918 | Physical Therapist | Mayfield Village, OH | 2006 |
| Harold Kost, M.D. | 1043369234 | Internal Medicine Physician | Holliston, MA | 2007 |
| Inna Kost, DMD | 1952352155 | Dentist | Potomac, MD | 2006 |
| Jade Kost, MS | 1306234042 | Counselor | Spokane, WA | 2015 |
| Jaimelyn Kost, LSW | 1104049873 | Social Worker | Aurora, CO | 2007 |
| Jayde Kost, RBT | 1235605460 | Behavior Technician | Newport Beach, CA | 2018 |
| Jaylen Kost | 1245003292 | Behavior Technician | Brooklyn, NY | 2023 |
| Jennifer Kost, MA | 1285801043 | Counselor | Ebensburg, PA | 2008 |
| Jennifer Kost | 1326683624 | Social Worker | Chicago, IL | 2019 |
| Jennifer Kost, MS | 1578085452 | Mental Health Counselor | Cocoa, FL | 2017 |
| Jennifer Kost, PA-C | 1720568207 | Physician Assistant | Chicago, IL | 2018 |
| Jeri Kost, REGISTERED NURSE | 1821887357 | Registered Nurse | Rapid City, SD | 2025 |
| Jeryl Kost, LMHC | 1376794735 | Mental Health Counselor | Boca Raton, FL | 2008 |
| John Kost | 1023798329 | Student in an Organized Health Care Education/Training Program | Norristown, PA | 2023 |
| Jonathan Kost, M.D. | 1346274792 | Interventional Pain Medicine Physician | West Hartford, CT | 2006 |
| Joyce Kost, RPT | 1275754814 | Physical Therapist | Canaan, CT | 2007 |
| Julie Kost | 1336975614 | School Psychologist | Bismarck, ND | 2024 |
| Karen Kost, P.T. | 1841483096 | Physical Therapist | Mandan, ND | 2007 |
| Kathryn Kost, MA | 1396301651 | Counselor | Woburn, MA | 2019 |
| Kelly Kost, PA-C | 1043932379 | Physician Assistant | New York, NY | 2022 |
| Kim Kost, LISW | 1063625606 | Social Worker | Ravenna, OH | 2007 |
| Kimberly Kost, CRNA | 1427299759 | Certified Registered Nurse Anesthetist | Louisville, KY | 2009 |
| Lawrence Kost | 1568046597 | Pharmacist | North Royalton, OH | 2021 |
| Linda Kost, PSYD | 1033297346 | Psychologist | Piscataway, NJ | 2006 |
| Lukas Kost, MD | 1306420559 | Family Medicine Physician | Pleasant Hill, CA | 2021 |
| Lynn Kost, M.A., CCC-SLP | 1174947956 | Speech-Language Pathologist | Willowick, OH | 2014 |
| Mackenzie Kost | 1871389973 | Mental Health Counselor | Leesburg, VA | 2025 |
| Margaret Kost, M.A. | 1710141908 | Audiologist | Painesville, OH | 2008 |
| Mary Kost | 1356830020 | Mental Health Counselor | Tigard, OR | 2018 |
| Mel Kost, PHARMACIST | 1992913024 | Pharmacist | Canandaigua, NY | 2007 |
| Melissa Kost, MD | 1477811214 | Surgical Critical Care Physician | Little Rock, AR | 2012 |
| Melissa Kost, CHA-T | 1700663978 | Community Health Worker | Nome, AK | 2023 |
| Michael Kost, DO | 1396374989 | Hospitalist Physician | Sun City, AZ | 2020 |
| Michael Kost, CRNA, MSN | 1629134010 | Certified Registered Nurse Anesthetist | Norristown, PA | 2006 |
| Monica Kost, APRN, DNP | 1205336740 | Nurse Practitioner | Council Bluffs, IA | 2018 |
| Monika Kost, PA | 1720047772 | Surgical Physician Assistant | Huntington, NY | 2006 |
| Paul Kost, DMD | 1164567822 | General Practice Dentistry | Lawrenceville, NJ | 2007 |
| Peter Kost | 1558860031 | Behavior Technician | Bronx, NY | 2018 |
| Rachel Kost | 1740962935 | Physical Therapist | Canton, IL | 2023 |
| Reya Kost, PSYD, LMFT | 1073964235 | Psychologist | Granite Bay, CA | 2016 |
| Rhonda Kost, M.D. | 1851664338 | Infectious Disease Physician | New York, NY | 2012 |
| Robert Kost, M.D. | 1043674013 | Ophthalmology Physician | Lafayette, CO | 2016 |
| Samantha Kost | 1104514850 | Personal Care Attendant | Beulah, ND | 2023 |
| Samantha Kost, MSW, LISW | 1811333040 | Clinical Social Worker | Medina, OH | 2013 |
| Sarah Kost | 1174986798 | Nurse Practitioner | Kansas City, MO | 2016 |
| Stefanie Kost, MS EDUCATION | 1982968491 | Specialist | Massapequa, NY | 2012 |
| Stephanie Kost, DO | 1811488315 | Family Medicine Physician | Henderson, NV | 2018 |
| Susan Kost, SLP | 1356489389 | Speech-Language Pathologist | Harvey, ND | 2007 |
| Susanne Kost, MD | 1033201827 | Pediatrics Physician | Wilmington, DE | 2006 |
| Tammy Kost, RN | 1649768102 | Registered Nurse | White Plains, MD | 2018 |
| Tylor Kost | 1386571446 | Registered Nurse | Fort Meade, SD | 2026 |
| Vikki Kost, OT | 1477644458 | Occupational Therapist | Tyler, TX | 2006 |
| Whitney Kost, MSPAS, PA-C | 1902478712 | Physician Assistant | Durham, NC | 2021 |
| Yana Kost | 1215632930 | Student in an Organized Health Care Education/Training Program | New York, NY | 2023 |
| Sabine Kost-Byerly, M.D. | 1689611543 | Anesthesiology Physician | Baltimore, MD | 2006 |
| Sarah Kost-Cox, LPC | 1962086934 | Professional Counselor | Clinton Twp, MI | 2021 |
| Jennifer Kost-Phillips, DO | 1467503359 | Pediatrics Physician | Fredericksburg, VA | 2007 |
| Karen Kost-Rios, DPM | 1851304828 | Foot Surgery Podiatrist | Manchester, NH | 2006 |
| Alessia Kosta | 1780476721 | Clinical Social Worker | Scottsdale, AZ | 2025 |
| Amy Kosta, COTA | 1760138408 | Pediatric Occupational Therapist | Spring, TX | 2022 |
| Carly Kosta, PA-S | 1114797115 | Student in an Organized Health Care Education/Training Program | Santa Maria, CA | 2024 |
| Carol Kosta | 1588049860 | Professional Counselor | Paoli, PA | 2015 |
| Cheryl Kosta, P.T. | 1548238165 | Physical Therapist | Lake Oswego, OR | 2006 |
| Elizabeth Kosta, M.ED. | 1225521842 | Developmental Therapist | Lawrence, MA | 2018 |
| Eva Kosta, M.D. | 1205961935 | Cardiovascular Disease Physician | New York, NY | 2007 |
| Gabrielle Kosta | 1073117982 | Mental Health Counselor | Concord, MA | 2020 |
| Ira Kosta | 1386289874 | Certified Registered Nurse Anesthetist | Bloomingdale, IL | 2019 |
| Janice Kosta, MSW | 1437293172 | Social Worker | Ann Arbor, MI | 2007 |
| Joanne Kosta, LPCC | 1497189179 | Professional Counselor | Fremont, OH | 2013 |
| John Kosta, M.D. | 1184642951 | Otolaryngology Physician | Grand Rapids, MI | 2006 |
| Keri Anne Kosta | 1730711367 | Counselor | San Rafael, CA | 2020 |
| Kristina Kosta, NP | 1588139406 | Primary Care Nurse Practitioner | Saline, MI | 2018 |
| Louis Kosta, M.D. | 1790828424 | Surgery Physician | Clackamas, OR | 2007 |
| Megan Kosta, FNP | 1912250101 | Family Nurse Practitioner | Columbus, OH | 2012 |
| Michael Kosta, DPT | 1639847924 | Physical Therapist | Verona, VA | 2021 |
| Michael Kosta, M.D. | 1649254269 | Family Medicine Physician | Boulder, CO | 2005 |
| Thomas Kosta, LCPC, MSC | 1801017603 | Professional Counselor | Butte, MT | 2007 |
| Christina Kosta Cashimere, MD | 1427003268 | Hospitalist Physician | Rochester, NY | 2006 |
| Greta Kostac, APNP | 1841307386 | Nurse Practitioner | Fond Du Lac, WI | 2006 |
| Connie Kostacos | 1376529420 | Pediatrics Physician | New York, NY | 2005 |
| Emanuel Kostacos, MD | 1861488181 | Cardiovascular Disease Physician | Horsham, PA | 2005 |
| Jennifer Kostacos, M.D. | 1023375573 | Internal Medicine Physician | Horsham, PA | 2012 |
| Ari Kostadaras, M.D | 1447285911 | Nephrology Physician | Astoria, NY | 2006 |
| Jane Kostadinov, N.P. | 1902063738 | Adult Health Nurse Practitioner | New York, NY | 2008 |
| Stefan Kostadinov, MD | 1871524173 | Anatomic Pathology Physician | Providence, RI | 2006 |
| Yavor Kostadinov | 1558240721 | Student in an Organized Health Care Education/Training Program | Virginia Beach, VA | 2025 |
| Zlatko Kostadinov, MD | 1407580541 | Student in an Organized Health Care Education/Training Program | Valhalla, NY | 2022 |
| Denitsa Kostadinova | 1033944707 | Behavior Technician | Pembroke Pines, FL | 2024 |
| Lenche Kostadinova, M.D. | 1275995615 | Student in an Organized Health Care Education/Training Program | Cleveland, OH | 2016 |
| Rada-Mayya Kostadinova | 1497639215 | Dentist | Fort Cavazos, TX | 2025 |
| Jelena Kostadinovic | 1396356689 | Counselor | Allston, MA | 2020 |
| Olivia Kostadinovski, DPT | 1669210647 | Physical Therapist | Detroit, MI | 2024 |
| Aikaterini Kostagianni | 1851799365 | Prosthodontics | Baltimore, MD | 2014 |
| Julianna Kostainschek | 1104859602 | Professional Counselor | Morrisville, NC | 2006 |
| Amy Kostak | 1154207959 | Mental Health Counselor | Methuen, MA | 2025 |
| Jean Kostak, MS, RD | 1427105550 | Nutrition Education Nutritionist | Farmington, CT | 2007 |
| Traci Kostak-Jacobson, L.AC. | 1023332053 | Acupuncturist | Buffalo Grove, IL | 2010 |
| Adriana Kostakis | 1689496168 | Speech-Language Pathologist | New York, NY | 2024 |
| Athanasia Kostakis, LMSW, DMIN | 1154676856 | Social Worker | New London, CT | 2012 |
| George Kostakis, DDS | 1053405480 | General Practice Dentistry | Palm Harbor, FL | 2006 |
| Pauline Kostakis, PHARMACIST | 1992037386 | Pharmacist | Bayside, NY | 2010 |
| Rose Kostakis | 1346012176 | Pharmacist | Baltimore, MD | 2023 |
| Stephanie Kostakis, OD | 1295213502 | Optometrist | Albany, NY | 2018 |
| Vasilios Kostakis, DDS | 1861815888 | Oral and Maxillofacial Surgery (Dentist) | Elmhurst, NY | 2014 |
| Lale Kostakoglu Shields, MD | 1154398642 | Nuclear Radiology Physician | Charlottesville, VA | 2006 |
| Dean Kostakos, D.P.M. | 1417056847 | Podiatrist | Roswell, GA | 2006 |
| Ekaterini Kostakos | 1801636550 | Student in an Organized Health Care Education/Training Program | Essexville, MI | 2024 |
| Emanuel Kostakos, PH.D. | 1316157134 | School Psychologist | Port Jefferson Station, NY | 2007 |
| Katherine Kostakos, MD | 1710070933 | Internal Medicine Physician | Bronx, NY | 2006 |
| Maria Kostakos, SWD BIRTH-2 | 1023986973 | Specialist | Brooklyn, NY | 2025 |
| Michael Kostakos | 1679839278 | Occupational Therapist | Whitestone, NY | 2012 |
| Mike Kostakos, D.D.S | 1700932241 | General Practice Dentistry | Southfield, MI | 2007 |
| Olga Kostakos, MD | 1396420584 | Student in an Organized Health Care Education/Training Program | Essexville, MI | 2023 |
| Rita Kostakos | 1124384722 | Occupational Therapist | Whitestone, NY | 2012 |
| Amy Kostal, PT | 1760593537 | Physical Therapist | Seattle, WA | 2006 |
| Blake Kostal, DO | 1619670510 | Hospitalist Physician | Tulsa, OK | 2023 |
| Camille Kostal | 1669305017 | Peer Specialist | Middleburg Heights, OH | 2026 |
| Dennis Kostal, DDS | 1992820138 | General Practice Dentistry | Yorkville, IL | 2007 |
| Jesse Kostal | 1720832017 | Student in an Organized Health Care Education/Training Program | Tulsa, OK | 2024 |
| Kathryn Kostal, LLPC | 1740645159 | Professional Counselor | Grand Rapids, MI | 2015 |
| Lexi Kostal, RN, NP | 1003612193 | Family Nurse Practitioner | Belhaven, NC | 2025 |
| Lindsey Kostal | 1063918753 | Pediatrics Physician | Kansas City, MO | 2018 |
| Michael Kostal, MD | 1033271630 | Cardiovascular Disease Physician | Annapolis, MD | 2006 |
| Michael Kostal, D.D.S. | 1245594050 | Dentist | Greeley, CO | 2012 |
| Travis Kostal, PT, DPT | 1457790511 | Physical Therapist | Beatrice, NE | 2013 |
| Anthony Kostallas, O.D. | 1588641898 | Optometrist | Huntington Park, CA | 2005 |
| Daniel Kostalnick, M.D. | 1821007295 | Psychiatry Physician | Pleasanton, CA | 2006 |
| Lisa Kostalnick, R.PH. | 1023229093 | Pharmacist | Akron, OH | 2007 |
| Heikki Kostamaa, M.D. | 1922039346 | Retina Specialist (Ophthalmology) Physician | Nashville, TN | 2006 |
| Eric Kostamo, PHARM. D | 1780968750 | Pharmacist | Canton, GA | 2011 |
| Katherine Kostamo, MD | 1336159672 | Internal Medicine Physician | Tomah, WI | 2006 |
| Kathryne Kostamo, MD | 1336660349 | Obstetrics & Gynecology Physician | Albany, NY | 2017 |
| Paul Kostamo, M.D. | 1902863236 | Family Medicine Physician | St Petersburg, FL | 2006 |
| Samantha Kostamo, LPCC MA | 1285338939 | Mental Health Counselor | Sedalia, CO | 2023 |
| Carissa Kostan | 1821466269 | Speech-Language Pathologist | Portage, PA | 2015 |
| Hannah Kostan | 1396684932 | Student in an Organized Health Care Education/Training Program | Houston, TX | 2026 |
| Kurtis Kostan, MD | 1134516172 | Internal Medicine Physician | Tyler, TX | 2015 |
| Meghan Kostan, OTR | 1407179427 | Occupational Therapist | Braintree, MA | 2010 |
| Melissa Kostan, MS, OTR/L | 1518265586 | Pediatric Occupational Therapist | Londonderry, NH | 2011 |
| Stephanie Kostan, FNP | 1336799006 | Family Nurse Practitioner | Metter, GA | 2019 |
| Kelly Kostandaras, MSP | 1720591506 | Case Manager/Care Coordinator | Dublin, OH | 2017 |
| Lauren Kostandaras, DO | 1952104929 | Student in an Organized Health Care Education/Training Program | Akron, OH | 2025 |
| Anna Kostandinidis, PHARMD | 1144079740 | Pharmacist | Whitestone, NY | 2024 |
| Tea Kostandinis, MD | 1689358103 | Family Medicine Physician | Fulton, MO | 2023 |
| Alison Kostandy, MD | 1730535121 | Neurology Physician | Indianapolis, IN | 2016 |
| Evet Kostandy | 1740964386 | Pharmacist | Lewis Center, OH | 2023 |
| Gamil Kostandy, MD | 1841265949 | Internal Medicine Physician | Brooklyn, NY | 2006 |
| Lilian Kostandy | 1235452434 | Pharmacist | New York, NY | 2010 |
| Marco Kostandy | 1134585979 | Pharmacist | Midway City, CA | 2016 |
| Marina Kostandy | 1346618873 | Pharmacist | Astoria, NY | 2015 |
| Petro Kostandy, MD | 1306100516 | Diagnostic Radiology Physician | Rochester, MN | 2012 |
| Liana Kostandyan | 1073901989 | Clinical Social Worker | Los Angeles, CA | 2014 |
| Yunona Kostandyan | 1992576854 | Behavior Analyst | Burbank, CA | 2024 |
| Anna Kostanecka, M.D. | 1306969993 | Developmental - Behavioral Pediatrics Physician | Eden Prairie, MN | 2007 |
| Marek Kostanecki, M.D. | 1568577492 | Internal Medicine Physician | Wyoming, MN | 2006 |
| Natalie Kostanecki, LMSW | 1407262066 | Clinical Social Worker | Sterling Heights, MI | 2014 |
| Rachel Kostaneski, CRNA | 1588457782 | Certified Registered Nurse Anesthetist | Greensburg, IN | 2025 |
| Gabriella Kostanets | 1922986462 | Registered Nurse | Cape Coral, FL | 2025 |
| George Kostanian, MD | 1336760925 | Student in an Organized Health Care Education/Training Program | Kansas City, KS | 2020 |
| Varoujan Kostanian, M.D. | 1861417792 | Vascular & Interventional Radiology Physician | Henderson, NV | 2006 |
| Juilett Kostanjevec, DO | 1356846851 | Family Medicine Physician | Lawrenceville, GA | 2018 |
| Joshua Kostansek, MD | 1730025222 | Family Medicine Physician | Pocatello, ID | 2026 |
| Lisa Kostansek, PCC-S, LCDC III | 1265569479 | Professional Counselor | Mentor, OH | 2007 |
| Sara Kostant, M.D | 1265552897 | Obstetrics & Gynecology Physician | New York, NY | 2007 |
| Maria Kostantacos, APRN, FNP | 1538493614 | Family Nurse Practitioner | Janesville, WI | 2009 |
| Helena Kostantas, CNM | 1386814663 | Advanced Practice Midwife | Baldwin Park, CA | 2008 |
| Spyridon Kostantinis | 1215622741 | Student in an Organized Health Care Education/Training Program | New Haven, CT | 2023 |
| Igor Kostanyan, D.D.S. | 1285872333 | Student in an Organized Health Care Education/Training Program | Staten Island, NY | 2009 |
| Robert Kostanyan | 1205675139 | Orthotic Fitter | Congers, NY | 2024 |
| Sofi Kostanyan | 1174412571 | Behavior Technician | Santa Clarita, CA | 2025 |
| Sofya Kostanyan, M.D. | 1578726337 | Internal Medicine Physician | Brooklyn, NY | 2008 |
| Tigran Kostanyan, M.D. | 1164800827 | Ophthalmology Physician | Las Vegas, NV | 2015 |
| Konstantina Kostara, MD | 1972292845 | Student in an Organized Health Care Education/Training Program | Bayonne, NJ | 2023 |
| Angela Kostaras | 1205683935 | Speech-Language Pathologist | Whitestone, NY | 2024 |
| Vasileios Kostaras, MD | 1144487968 | Student in an Organized Health Care Education/Training Program | Stony Brook, NY | 2008 |
| Jennifer Kostarellas | 1801219241 | Occupational Therapist | Dracut, MA | 2014 |
| Nicole Kostarellas, PA-C | 1083847628 | Medical Physician Assistant | Everett, MA | 2009 |
| Zoe Kostarellis, M.D. | 1457707523 | Family Medicine Physician | Rochester, NY | 2016 |
| Michael Kostarides, PHARMD | 1588084305 | Pharmacist | Glendale, AZ | 2014 |
| Stacey Kostarides, PHARM.D. | 1154557940 | Pharmacist | Narragansett, RI | 2009 |
| Maria Kostaris, DO | 1639555139 | Medical Physician Assistant | Hershey, PA | 2015 |
| Angelo Kostas, RD | 1811864861 | Registered Dietitian | Poland, OH | 2025 |
| Antigone Kostas, MD | 1669612925 | Psychiatry Physician | Greenwich, CT | 2009 |
| Dana Kostas, M.A., LAC | 1730304445 | Mental Health Counselor | Turnersville, NJ | 2007 |
| Demetrios Kostas, LCSW | 1790975092 | Clinical Social Worker | Wallingford, CT | 2007 |
| Georgios Kostas | 1275496283 | Student in an Organized Health Care Education/Training Program | Minneapolis, MN | 2025 |
| Gregory Kostas, LPN | 1932886603 | Licensed Practical Nurse | Plymouth, MA | 2023 |
| Gus Kostas, M.S., CRNP | 1346225265 | Family Nurse Practitioner | Sharpsville, PA | 2005 |
| James Kostas, D M D P C | 1205803392 | General Practice Dentistry | Burlington, MA | 2006 |
| Julianna Kostas, MD | 1831848068 | Student in an Organized Health Care Education/Training Program | Nashville, TN | 2022 |
| Kathleen Kostas, NP | 1770778292 | Nurse Practitioner | Royal Oak, MI | 2007 |
| Kelly Kostas, MA, CCC-SLP | 1922375062 | Speech-Language Pathologist | Salisbury, NC | 2011 |
| Kimberly Kostas | 1497604243 | Registered Nurse | Plymouth, MA | 2026 |
| Konstantinos Kostas, PHD | 1629047469 | Clinical Psychologist | Chicago, IL | 2006 |
| Michael Kostas, D.C. | 1649356270 | Chiropractor | Smyrna, GA | 2006 |
| Odysseas Kostas, M.D. | 1730250655 | Internal Medicine Physician | Greenwich, CT | 2006 |
| Stephanie Kostas, LCSW | 1851781991 | Clinical Social Worker | Wilmington, DE | 2015 |
| Steven Kostas, M.S., CCC-SLP | 1316993132 | Speech-Language Pathologist | White River Junction, VT | 2006 |
| Teena Kostas | 1710147020 | Day Training/Habilitation Specialist | Batesville, AR | 2008 |
| Tia Kostas | 1174722409 | Geriatric Medicine (Internal Medicine) Physician | Chicago, IL | 2007 |
| Gary Kostbade | 1730981853 | Student in an Organized Health Care Education/Training Program | Denver, CO | 2025 |
| Laura Kostbade, OTR | 1548471808 | Occupational Therapist | Evansville, IN | 2007 |
| Chea Kostbar | 1669277158 | Behavior Technician | Farmington Hills, MI | 2025 |
| Erica Koste, PSYD | 1215674932 | Clinical Child & Adolescent Psychologist | New Hyde Park, NY | 2022 |
| Kari Koste | 1043530652 | Pharmacist | Moorestown, NJ | 2010 |
| Sarah Koste | 1609459254 | Certified Registered Nurse Anesthetist | Detroit, MI | 2021 |
| Thomas Koste, CRNP | 1992324016 | Psychiatric/Mental Health Nurse Practitioner | Harrisburg, PA | 2020 |
| Andy Kostechka, R.PH. | 1770994964 | Pharmacist | Portland, OR | 2014 |
| Chad Kostecka | 1700166261 | Pharmacist | Apple Valley, MN | 2011 |
| Jaclyn Kostecka, PA-C | 1972103000 | Physician Assistant | Brainerd, MN | 2020 |
| Jennifer Kostecka | 1336215177 | Rehabilitation Practitioner | Minneapolis, MN | 2006 |
| Miranda Kostecka, APRN, NNP-BC | 1811720071 | Nurse Practitioner | Cincinnati, OH | 2024 |
| Natalie Kostecka | 1306484217 | Counselor | Redmond, WA | 2019 |
| Natalie Kostecka | 1508654617 | Behavior Technician | Seattle, WA | 2025 |
| Rolene Kostecka, LCSW | 1073767414 | Counselor | Colorado Springs, CO | 2008 |
| Sara Kostecka | 1275267965 | Electroneurodiagnostic Specialist/Technologist | Brentwood, TN | 2022 |
| Tayler Kostecka | 1255295358 | Mental Health Counselor | Noblesville, IN | 2025 |
| Rekha Kostecke, M.D | 1285676940 | Pediatrics Physician | Milford, MI | 2006 |
| Rita Kostecke, MD, MPH | 1619909157 | Family Medicine Physician | Fort Bragg, NC | 2006 |
| Andrea Kostecki | 1447053509 | Homemaker | Wintersville, OH | 2025 |
| Anita Kostecki, M.D. | 1295710119 | Family Medicine Physician | Boston, MA | 2005 |
| Carissa Kostecki, MD | 1720006828 | Pediatric Emergency Medicine (Pediatrics) Physician | Jacksonville, FL | 2006 |
| Casey Kostecki, DPT | 1801696828 | Physical Therapist | Kalispell, MT | 2025 |
| Grazyna Kostecki | 1699220525 | Pharmacist | Woodstock, IL | 2016 |
| Haley Kostecki, PA | 1457721532 | Physician Assistant | Dongola, IL | 2015 |
| James Kostecki, DC | 1952596272 | Chiropractor | Hamilton, MT | 2007 |
| Jolene Kostecki | 1063017291 | Personal Care Attendant | Devils Lake, ND | 2020 |
| Joseph Kostecki, O.D. | 1366434672 | Optometrist | Minnetonka, MN | 2005 |
| Joseph Kostecki, MT-BC | 1891369039 | Music Therapist | Canandaigua, NY | 2021 |
| Juliann Kostecki | 1124547450 | Social Worker | Johnsburg, IL | 2017 |
| Kaitlin Kostecki, FNP-BC | 1801338645 | Family Nurse Practitioner | Seattle, WA | 2016 |
| Karen Kostecki, CRNA | 1386661056 | Certified Registered Nurse Anesthetist | Fargo, ND | 2006 |
| Kassandra Kostecki, D.O. | 1467800797 | Pediatrics Physician | Loxahatchee, FL | 2016 |
| Katherine Kostecki, OTR/L | 1164249868 | Occupational Therapist | Raleigh, NC | 2024 |
| Kayla Kostecki, LAC | 1295601250 | Mental Health Counselor | Sparta, NJ | 2025 |
| Kristen Kostecki, CCC-SLP | 1518537885 | Speech-Language Pathologist | St Charles, IL | 2021 |
| Lisa Kostecki, RPH | 1205843646 | Pharmacist | Cross Plains, WI | 2006 |
| Nicole Kostecki, OTR/L | 1083966881 | Occupational Therapist | Elmhurst, IL | 2012 |
| Pamela Kostecki, LCSW | 1508168477 | Clinical Social Worker | Joliet, IL | 2010 |
| Polo Kostecki, DO | 1437853710 | Student in an Organized Health Care Education/Training Program | Fresno, CA | 2023 |
| Roza Kostecki | 1760657357 | Sonography Radiologic Technologist | Algonquin, IL | 2008 |
Source: CMS National Plan and Provider Enumeration System (NPPES) (download.cms.gov). A listing is not a recommendation: check a license with the state board (license lookups).