Providers Katherine Kowalski, DNP, RN, AGACNP-BC to Allen Kowarski, D.C.
300 individual NPIs in the federal registry, part 11,787 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. 98 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Katherine Kowalski, DNP, RN, AGACNP-BC | 1639752827 | Registered Nurse | Chicago, IL | 2021 |
| Kathleen Kowalski, ARNP | 1356615306 | Adult Health Nurse Practitioner | Seattle, WA | 2012 |
| Kathleen Kowalski, L.S.W. | 1891994919 | Social Worker | Erie, PA | 2007 |
| Katie Kowalski, PT | 1023374089 | Physical Therapist | Eugene, OR | 2012 |
| Katie Kowalski | 1871383364 | Social Worker | Ann Arbor, MI | 2025 |
| Katrina Kowalski | 1801405360 | Chore Provider | Lapeer, MI | 2020 |
| Kayleigh Kowalski, MA, LMHC-A | 1346019213 | Counselor | Providence, RI | 2023 |
| Keifhon Kowalski | 1639986532 | Behavior Technician | Farmington Hills, MI | 2024 |
| Kelly Kowalski | 1861085029 | Community Health Worker | Inwood, WV | 2021 |
| Kelly Kowalski | 1861604381 | Student in an Organized Health Care Education/Training Program | Hudson, OH | 2007 |
| Kelsey Kowalski, SLP | 1336798610 | Speech-Language Pathologist | Fargo, ND | 2019 |
| Kenneth Kowalski | 1396375770 | Psychiatric/Mental Health Nurse Practitioner | Sylvania, OH | 2020 |
| Kenneth Kowalski, DMD | 1497912182 | Dentist | New Britain, CT | 2008 |
| Kenneth Kowalski, DDS | 1962518050 | Dentist | Milwaukee, WI | 2006 |
| Kenzie Kowalski, M.S., SLP | 1336971654 | Speech-Language Pathologist | Austin, TX | 2024 |
| Kerri Kowalski, CRNP, RN | 1821439845 | Family Nurse Practitioner | Scranton, PA | 2013 |
| Kerry Kowalski, PTA | 1770797888 | Physical Therapy Assistant | Cornell, WI | 2007 |
| Kevin Kowalski, PT | 1235508813 | Physical Therapist | Colorado Springs, CO | 2015 |
| Kevin Kowalski, L.D. | 1306048111 | Denturist | Mount Vernon, WA | 2007 |
| Kimberly Kowalski, BCBA | 1528324027 | Behavior Analyst | Arcata, CA | 2012 |
| Kimberly Kowalski, M.D. | 1538107453 | Hospitalist Physician | Wailuku, HI | 2006 |
| Kory Kowalski, PHARMD | 1538639786 | Pharmacist | Fargo, ND | 2018 |
| Krishna Kowalski | 1023756111 | Behavior Technician | New Port Richey, FL | 2022 |
| Kristen Kowalski, MOT OTR/L | 1215441381 | Occupational Therapist | San Diego, CA | 2017 |
| Kristen Kowalski, AU.D., CCC-A | 1346529229 | Audiologist | Alpena, MI | 2011 |
| Kristen Kowalski, NP-C | 1487036257 | Family Nurse Practitioner | Weymouth, MA | 2015 |
| Kristen Kowalski | 1821925405 | Behavior Technician | Norwich, CT | 2026 |
| Kristin Kowalski, LCSW | 1689109258 | Clinical Social Worker | Leesburg, VA | 2017 |
| Kristin Kowalski, MS, CLS | 1831473370 | Developmental Therapist | Andover, MA | 2011 |
| Kristina Kowalski | 1598475139 | Behavior Technician | Detroit, MI | 2022 |
| Kristina Kowalski, D.C. | 1831167774 | Chiropractor | Hampden, MA | 2006 |
| Kristyn Kowalski, LMHC | 1114315827 | Mental Health Counselor | North Attleboro, MA | 2015 |
| Kurtis Kowalski, MD | 1770559577 | Sports Medicine (Orthopaedic Surgery) Physician | Clarksville, TN | 2006 |
| Kyle Kowalski, DO | 1245168707 | Student in an Organized Health Care Education/Training Program | Bronx, NY | 2026 |
| Kyle Kowalski | 1477389518 | Case Manager/Care Coordinator | Boston, MA | 2024 |
| Kylee Kowalski, DLLP | 1902655350 | Clinical Psychologist | Spring Lake, MI | 2024 |
| Kyrstin Kowalski | 1033910369 | Behavior Technician | Grand Rapids, MI | 2025 |
| Lacy Kowalski, CNP | 1780051383 | Adult Health Nurse Practitioner | Warrensville Heights, OH | 2015 |
| Laura Kowalski, LCPC | 1003242603 | Professional Counselor | Saint Charles, IL | 2013 |
| Laura Kowalski, OTR/L | 1356506018 | Pediatric Occupational Therapist | Buffalo, NY | 2008 |
| Laure Kowalski, RN | 1922463785 | Maternal Newborn Registered Nurse | Winchester, MA | 2015 |
| Lauren Kowalski | 1245723295 | Physician Assistant | Oak Ridge, NJ | 2018 |
| Lauren Kowalski, DPT, PT | 1659807758 | Physical Therapist | Washington, PA | 2017 |
| Lauren Kowalski | 1689435075 | Behavior Technician | Fayetteville, NC | 2024 |
| Laurie Kowalski | 1811692585 | Adult Companion | Lyndhurst, OH | 2023 |
| Lawrence Kowalski, MS, LLP, BCBA, LBA | 1225461767 | Behavior Analyst | Ann Arbor, MI | 2013 |
| Leah Kowalski, CPT | 1750239273 | Phlebotomy Technician | Glens Falls, NY | 2026 |
| Leigh Kowalski, MD | 1508445461 | Obstetrics & Gynecology Physician | Hartford, CT | 2021 |
| Leigh Ann Kowalski, D.O. | 1427402494 | Obstetrics & Gynecology Physician | Bloomington, IL | 2016 |
| Leslie Kowalski, PHD, IBCLC | 1205245537 | Lactation Consultant (Non-RN) | Plainsboro, NJ | 2014 |
| Letitia Kowalski, LCSW | 1346062635 | Clinical Social Worker | Warrenville, IL | 2024 |
| Leyna Kowalski | 1710809074 | Addiction (Substance Use Disorder) Counselor | North Royalton, OH | 2026 |
| Linda Kowalski | 1184994220 | Registered Nurse | Albany, NY | 2012 |
| Linda Kowalski, FNP | 1861637076 | Family Nurse Practitioner | Amsterdam, NY | 2008 |
| Lindsay Kowalski | 1255125944 | Behavior Technician | Trenton, MI | 2025 |
| Lindsey Kowalski, DO | 1245596675 | Internal Medicine Physician | Pittsburgh, PA | 2012 |
| Lisa Kowalski, M.D. | 1295766772 | Surgery Physician | Effingham, IL | 2006 |
| Lisa Kowalski, BCBA | 1801195573 | Behavior Analyst | Norristown, PA | 2011 |
| Lisa Kowalski, LCSW | 1932373891 | Clinical Social Worker | Manitowoc, WI | 2008 |
| Lise Kowalski, M.D. | 1346264124 | Family Medicine Physician | Berlin, VT | 2006 |
| Lori Kowalski, BSLBSW | 1467693945 | Social Worker | Auburn Hills, MI | 2009 |
| Louis Kowalski, MD | 1346281003 | Internal Medicine Physician | New London, NH | 2006 |
| Lourdes Kowalski | 1316325236 | Specialist | South Ozone Park, NY | 2015 |
| Lynda Kowalski | 1740838044 | Case Manager/Care Coordinator | Cheyenne, WY | 2019 |
| Lynn Kowalski, MD | 1083613616 | Gynecologic Oncology Physician | Las Vegas, NV | 2005 |
| Lynn Kowalski, COTA/L | 1700120870 | Occupational Therapy Assistant | Grand Forks, ND | 2012 |
| Maciej Kowalski, OD | 1982632188 | Optometrist | Murrieta, CA | 2006 |
| Madeline Kowalski | 1023801602 | Developmental Therapist | Westmont, IL | 2025 |
| Madison Kowalski, PA-C | 1881431351 | Physician Assistant | Queen Creek, AZ | 2024 |
| Magdalena Kowalski, APN | 1083801864 | Family Nurse Practitioner | Wayne, NJ | 2007 |
| Magdalena Kowalski, MD | 1619952686 | Dermatology Physician | Ringgold, GA | 2005 |
| Mallory Kowalski, FNP-C | 1356746382 | Family Nurse Practitioner | Newark, DE | 2014 |
| Marcin Kowalski, MD | 1881896199 | Clinical Cardiac Electrophysiology Physician | Staten Island, NY | 2007 |
| Marek Kowalski | 1720665409 | Hospitalist Physician | Santa Monica, CA | 2021 |
| Margaret Kowalski, M.D. | 1235122318 | Anatomic Pathology & Clinical Pathology Physician | Syracuse, NY | 2005 |
| Margaret Kowalski, MD | 1902538507 | Pediatrics Physician | Saint Louis, MO | 2022 |
| Maribeth Kowalski, PHARMD | 1073473393 | Pharmacist | Beaufort, SC | 2025 |
| Marilyn Kowalski, NP | 1407923279 | Nurse Practitioner | Anaheim, CA | 2006 |
| Marilyn Kowalski | 1487125357 | Speech-Language Pathologist | Athens, GA | 2018 |
| Marisa Kowalski, LLMSW | 1700554508 | Clinical Social Worker | Kalamazoo, MI | 2021 |
| Mark Kowalski, MD | 1104822790 | Orthopaedic Surgery Physician | Sahuarita, AZ | 2005 |
| Mark Kowalski, M.D. | 1366402588 | Surgery Physician | Millinocket, ME | 2006 |
| Mark Kowalski, D.O. | 1538116835 | Emergency Medicine Physician | Saint Louis, MO | 2006 |
| Mark Kowalski, BC-HIS | 1669717286 | Hearing Instrument Specialist | Laconia, NH | 2012 |
| Mark Kowalski, CHIROPRACTOR DC | 1902097991 | Chiropractor | Dublin, OH | 2007 |
| Marnada Kowalski | 1316791320 | Mental Health Counselor | Jasper, OR | 2024 |
| Martin Kowalski, DDS | 1366537797 | Dentist | Mercerville, NJ | 2006 |
| Mary Kowalski, LCSW | 1417232042 | Clinical Social Worker | South Bend, IN | 2011 |
| Mary Kowalski, RN | 1437390465 | Psychiatric/Mental Health Registered Nurse | San Jose, CA | 2009 |
| Mary Kowalski, PTA,CLT | 1730353442 | Physical Therapy Assistant | Saint Paul, MN | 2008 |
| Mary Kowalski, ATC | 1972056976 | Contractor | Hollidaysburg, PA | 2016 |
| Maryanne Kowalski, LMSW | 1487736005 | Clinical Social Worker | Muskegon, MI | 2006 |
| Maryanne Kowalski, LPC | 1518509306 | Professional Counselor | Austin, TX | 2019 |
| Mathew Kowalski | 1558049759 | Behavior Technician | Monrovia, CA | 2023 |
| Matthew Kowalski | 1033846563 | Addiction (Substance Use Disorder) Counselor | Lupton, MI | 2022 |
| Matthew Kowalski, DC | 1437209145 | Chiropractor | Chestnut Hill, MA | 2007 |
| Matthew Kowalski, PHARMD | 1487088456 | Pharmacist | Westlake, OH | 2013 |
| Maximilian Kowalski | 1306585823 | Physical Therapist | Macomb, MI | 2022 |
| Megan Kowalski, MSED, BCBA, NYS LBA | 1265838031 | Behavior Analyst | Port Washington, NY | 2014 |
| Megan Kowalski, B.A. | 1457581605 | Developmental Therapist | Northbrook, IL | 2009 |
| Megan Kowalski | 1518829480 | Behavior Technician | Grand Rapids, MI | 2025 |
| Megan Kowalski, BT | 1760082655 | Behavior Technician | Saginaw, MI | 2020 |
| Meghan Kowalski, RBT | 1831701341 | Social Worker | Columbus, OH | 2020 |
| Melinda Kowalski | 1780130807 | Speech-Language Pathologist | Clifton Park, NY | 2016 |
| Meranda Kowalski | 1063369700 | Behavior Technician | Bay City, MI | 2026 |
| Michael Kowalski | 1083230056 | Counselor | Langhorne, PA | 2020 |
| Michael Kowalski, LPC-INTERN | 1174016406 | Mental Health Counselor | Sherman, TX | 2018 |
| Michael Kowalski, DPM | 1255460309 | Foot & Ankle Surgery Podiatrist | Pompton Lakes, NJ | 2007 |
| Michael Kowalski, CRNA | 1316285612 | Certified Registered Nurse Anesthetist | Hendersonville, NC | 2013 |
| Michael Kowalski, A.P., DR. AC. | 1346488756 | Acupuncturist | Jacksonville, FL | 2009 |
| Michael Kowalski, RPH | 1356510218 | Pharmacist | Latham, NY | 2008 |
| Michael Kowalski, M.D. | 1447306683 | Internal Medicine Physician | Duluth, MN | 2007 |
| Michael Kowalski, MD | 1659374742 | Emergency Medicine Physician | New Hartford, NY | 2005 |
| Michael Kowalski, D.C. | 1740356922 | Chiropractor | Louisville, KY | 2006 |
| Michael Kowalski, DDS | 1790986164 | General Practice Dentistry | Waukesha, WI | 2007 |
| Michael Kowalski, MD | 1811952161 | Gynecology Physician | Bloomsburg, PA | 2006 |
| Michelle Kowalski, FNP, APRN | 1346992773 | Family Nurse Practitioner | Melrose Park, IL | 2022 |
| Michelle Kowalski | 1548698772 | Community Health Worker | Palatka, FL | 2013 |
| Michelle Kowalski, LCSW | 1578673869 | Clinical Social Worker | Skokie, IL | 2006 |
| Michelle Kowalski, M.S., R.D, CDN | 1952045809 | Registered Dietitian | Port Washington, NY | 2022 |
| Monica Kowalski, DMD | 1942609607 | General Practice Dentistry | Salem, OR | 2014 |
| Nancy Kowalski, MS, R.N., C.N.S | 1588734891 | Psychiatric/Mental Health Nurse Practitioner | Rochester, NY | 2006 |
| Nancy Kowalski, L.P.C | 1790808780 | Counselor | Ringwood, NJ | 2007 |
| Nancy Kowalski, PMHNP-BC/FNP-BC | 1821249780 | Psychiatric/Mental Health Nurse Practitioner | Tucson, AZ | 2008 |
| Nicolai Kowalski | 1205292018 | Behavior Analyst | Sterling Heights, MI | 2016 |
| Nicole Kowalski | 1417798711 | Physical Therapist | Avon, CT | 2024 |
| Nicole Kowalski, PT, DPT | 1457021529 | Physical Therapist | Houston, TX | 2021 |
| Nicole Kowalski, M.S., CCC-SLP | 1528274032 | Speech-Language Pathologist | San Diego, CA | 2007 |
| Nicole Kowalski, CAA | 1700474772 | Anesthesiologist Assistant | Milwaukee, WI | 2021 |
| Norma Kowalski, PSY.D | 1760781108 | Clinical Neuropsychologist | Davie, FL | 2011 |
| Olivia Kowalski, MD | 1346943222 | Hospitalist Physician | Columbus, OH | 2023 |
| Paige Kowalski, PA-C | 1285133595 | Medical Physician Assistant | Aurora, CO | 2018 |
| Patricia Kowalski, R.D.,L.D. | 1083045702 | Registered Dietitian | Florence, KY | 2013 |
| Patricia Kowalski, OD | 1730170697 | Optometrist | East Lansing, MI | 2005 |
| Patricia Kowalski | 1770137234 | Behavior Technician | Farmington Hills, MI | 2019 |
| Patrick Kowalski, LCSW | 1003133810 | Clinical Social Worker | San Francisco, CA | 2010 |
| Patrick Kowalski, MD | 1356134787 | Family Medicine Physician | Philadelphia, PA | 2025 |
| Paul Kowalski | 1275137564 | Pharmacist | Franklin, NH | 2020 |
| Paul Kowalski, MSW | 1326403411 | Clinical Social Worker | Troy, MI | 2015 |
| Paul Kowalski, MD | 1740282797 | Ophthalmology Physician | Jacksonville, IL | 2005 |
| Paul Kowalski, MD | 1952341067 | Neurology Physician | Tyler, TX | 2006 |
| Paul Kowalski, MD | 1962517797 | Anatomic Pathology & Clinical Pathology Physician | Grosse Pointe Woods, MI | 2006 |
| Paula Kowalski, D.C. | 1346628666 | Chiropractor | Kearney, NE | 2015 |
| Paulina Kowalski, PA-C | 1730808148 | Physician Assistant | Edinburg, TX | 2022 |
| Peter Kowalski, MD | 1003809393 | Family Medicine Physician | Williamsville, NY | 2005 |
| Peter Kowalski, DDS | 1194739144 | General Practice Dentistry | Lackawanna, NY | 2006 |
| Peter Kowalski, PA-C | 1518122605 | Medical Physician Assistant | Garden City, GA | 2008 |
| Peter Kowalski, MD | 1639107444 | Psychiatry Physician | Tucson, AZ | 2006 |
| Rachel Kowalski, MS-CCC SLP | 1285202879 | Speech-Language Pathologist | Encino, CA | 2021 |
| Rachel Kowalski | 1396307716 | Professional Counselor | Geneva, IL | 2019 |
| Rachel Kowalski, BCBA | 1578816674 | Behavior Analyst | Houston, TX | 2012 |
| Rebecca Kowalski | 1609525922 | Student in an Organized Health Care Education/Training Program | Baltimore, MD | 2022 |
| Rebecca Kowalski | 1710570270 | Behavior Technician | Saginaw, MI | 2021 |
| Rebecca Kowalski, P.A | 1720396443 | Surgical Physician Assistant | Bethlehem, PA | 2010 |
| Rebecca Kowalski, M.D. | 1972768869 | Surgery Physician | New York, NY | 2008 |
| Reina Kowalski, BT | 1851030712 | Behavior Technician | Monterey, CA | 2022 |
| Renee Kowalski, RBT | 1952812547 | Behavior Technician | Fort Myers, FL | 2017 |
| Richard Kowalski, D.C. | 1033327929 | Chiropractor | Northampton, MA | 2007 |
| Richard Kowalski, PHARMD | 1255717195 | Pharmacist | Los Angeles, CA | 2015 |
| Richard Kowalski, O.D. | 1720058480 | Optometrist | Lebanon, PA | 2006 |
| Richard Kowalski, DMD | 1811199789 | Orthodontics and Dentofacial Orthopedics Dentistry | Pitman, NJ | 2007 |
| Robert Kowalski, BCBA | 1194312025 | Behavior Analyst | Verona, NJ | 2020 |
| Robert Kowalski, M.D. | 1285747071 | Emergency Medicine Physician | Cadillac, MI | 2006 |
| Robert Kowalski, PT | 1639268162 | Physical Therapist | Freehold, NJ | 2006 |
| Robert Kowalski, M.D. (MB BCH BAO) | 1790043552 | Student in an Organized Health Care Education/Training Program | New Haven, CT | 2012 |
| Robert Kowalski, MD | 1952335655 | Neurological Surgery Physician | Clearwater, FL | 2006 |
| Robin Kowalski, COTA | 1205108560 | Community Health Worker | Schenectady, NY | 2012 |
| Robin Kowalski | 1306703145 | Driver | Minneapolis, MN | 2026 |
| Rosina Kowalski, PT | 1275732208 | Pediatric Physical Therapist | Buffalo, NY | 2007 |
| Rowen Kowalski | 1922787811 | Behavior Technician | Dearborn, MI | 2023 |
| Ruth-Anne Kowalski | 1952618159 | Speech-Language Pathologist | Lewiston, ME | 2010 |
| Sandra Kowalski, CRNP | 1508850546 | Nurse Practitioner | Allentown, PA | 2005 |
| Sarah Kowalski, RN | 1508162769 | Registered Nurse | New Haven, CT | 2011 |
| Sarah Kowalski | 1952903585 | Pharmacist | Bastrop, TX | 2020 |
| Scott Kowalski, DO | 1891729166 | Pain Medicine (Physical Medicine & Rehabilitation) Physician | Orange Park, FL | 2006 |
| Sharon Kowalski, R.N. | 1942409297 | Registered Nurse | Rochester, NY | 2007 |
| Sierra Kowalski, BCABA | 1518581750 | Behavior Analyst | Farmington Hills, MI | 2020 |
| Smarika Kowalski | 1912786195 | Occupational Therapist | Sacramento, CA | 2023 |
| Sonya Kowalski, NP | 1225525801 | Adult Health Nurse Practitioner | Auburn, NY | 2018 |
| Sonya Kowalski | 1336574599 | Continuing Education/Staff Development Registered Nurse | Westland, MI | 2013 |
| Stacey Kowalski, RN | 1487137261 | Registered Nurse | Denver, CO | 2018 |
| Stacie Kowalski | 1477399962 | Occupational Therapist | Newark, NJ | 2024 |
| Stephanie Kowalski | 1285312884 | Speech-Language Pathologist | Honolulu, HI | 2023 |
| Stephanie Kowalski, PA-C | 1346566817 | Medical Physician Assistant | Amherst, NY | 2010 |
| Stephen Kowalski, DPT | 1265863690 | Physical Therapist | Tampa, FL | 2013 |
| Stephen Kowalski, ATC | 1427591171 | Athletic Trainer | Rahway, NJ | 2016 |
| Stephen Kowalski, M.D. | 1487866174 | Specialist | Birmingham, AL | 2007 |
| Susan Kowalski | 1356239040 | Personal Care Attendant | Grand Island, NE | 2025 |
| Susan Kowalski, CPNP | 1750722252 | Pediatrics Physician | Brownstown Twp, MI | 2013 |
| Susanne Kowalski, D.C. | 1023411287 | Chiropractor | Chicago, IL | 2014 |
| Sydney Kowalski | 1225892862 | Community Health Worker | Salt Lake City, UT | 2024 |
| Tadeus Kowalski, M.D. | 1235336199 | Psychiatry Physician | Dothan, AL | 2007 |
| Tanner Kowalski, PHARMD | 1184146730 | Pharmacist | Milwaukee, WI | 2017 |
| Tara Kowalski | 1063069334 | Pharmacist | Colchester, CT | 2019 |
| Tara Kowalski, OTR/L | 1144596909 | Occupational Therapist | Yorktown Heights, NY | 2012 |
| Taylor Kowalski, PT, DPT | 1093461121 | Physical Therapist | Atascadero, CA | 2022 |
| Taylor Kowalski, DO | 1497557748 | Student in an Organized Health Care Education/Training Program | Indianapolis, IN | 2025 |
| Teresa Kowalski, MSN, FNP-C | 1992726574 | Family Nurse Practitioner | Sault Sainte Marie, MI | 2006 |
| Terrell Kowalski | 1669070967 | Professional Counselor | Timonium, MD | 2020 |
| Theresa Kowalski, M.D. | 1710399274 | Student in an Organized Health Care Education/Training Program | Albany, GA | 2014 |
| Thomas Kowalski, O.T. | 1245562131 | Occupational Therapist | San Francisco, CA | 2010 |
| Thomas Kowalski, PT | 1366786535 | Physical Therapist | Hamburg, NY | 2012 |
| Thomas Kowalski, DDS | 1396815312 | General Practice Dentistry | Benton, PA | 2006 |
| Thomas Kowalski, IDHS | 1407527369 | Independent Duty Corpsman | Portland, OR | 2021 |
| Thomas Kowalski, MA LPC | 1619286549 | Professional Counselor | Fort Collins, CO | 2010 |
| Thomas Kowalski, M.D. | 1952360596 | Gastroenterology Physician | Phila, PA | 2006 |
| Tiffany Kowalski, RN | 1992411581 | Registered Nurse | Kalamazoo, MI | 2023 |
| Timothy Kowalski, MD | 1639167802 | Pulmonary Disease Physician | Mayfield Village, OH | 2005 |
| Timothy Kowalski, MA | 1871631739 | Speech-Language Pathologist | Winter Park, FL | 2007 |
| Timothy Kowalski, D.D.S. | 1932232162 | General Practice Dentistry | Wyandotte, MI | 2007 |
| Timothy Kowalski, D.O. | 1952320541 | Psychiatry Physician | Columbia, SC | 2006 |
| Tina Kowalski | 1699277517 | Physical Therapist | Farmington Hills, MI | 2018 |
| Todd Kowalski, M.D. | 1790757227 | Infectious Disease Physician | La Crosse, WI | 2006 |
| Tomasz Kowalski, MD | 1982281044 | Psychiatry Physician | Austin, TX | 2021 |
| Tracy Kowalski, FNP-C | 1164777611 | Family Nurse Practitioner | Bellaire, TX | 2012 |
| Tracy Kowalski | 1174319370 | Technician | New Egypt, NJ | 2025 |
| Tricia Kowalski, OTRL | 1295108579 | Occupational Therapist | Rogers City, MI | 2015 |
| Trisha Kowalski, PA-C | 1831683523 | Physician Assistant | Meriden, CT | 2018 |
| Tyler Kowalski, D.C. | 1831439033 | Chiropractor | Kearney, NE | 2013 |
| Valerie Kowalski, LMSW | 1154187631 | Social Worker | New York, NY | 2024 |
| Valerie Kowalski, RD | 1174960991 | Registered Dietitian | Grand Rapids, MI | 2013 |
| Vanessa Kowalski | 1720482979 | Family Nurse Practitioner | Pittsburgh, PA | 2014 |
| Veronica Kowalski, DPT | 1861116030 | Physical Therapist | Franklin, WI | 2022 |
| Vicki Kowalski | 1700942331 | Mental Health Counselor | Bradenton, FL | 2006 |
| Victoria Kowalski | 1427692094 | Physical Therapist | Monroe, NY | 2019 |
| Victoria Kowalski | 1679066492 | Speech-Language Pathologist | Bay City, MI | 2018 |
| Victoria Kowalski, LSW | 1700178829 | Social Worker | Harrisburg, PA | 2011 |
| Vincent Kowalski, LCSW | 1255319737 | Clinical Social Worker | Staten Island, NY | 2006 |
| Wendy Jo Kowalski, MD | 1659303295 | Neonatal-Perinatal Medicine Physician | Allentown, PA | 2006 |
| Whitney Kowalski | 1154209690 | Community Health Worker | Flint, MI | 2025 |
| William Kowalski, DMD MS | 1114090842 | Endodontics | Fenton, MO | 2006 |
| William Kowalski, DC FACO | 1457403172 | Orthopedic Chiropractor | Houston, TX | 2007 |
| William Kowalski, D.C. | 1497727390 | Chiropractor | Hudson, NY | 2006 |
| Zachary Kowalski, LCDC, LMSW | 1700748597 | Addiction (Substance Use Disorder) Counselor | Ft Worth, TX | 2025 |
| Zoey Kowalski, LLMSW | 1457187247 | Social Worker | Cheboygan, MI | 2024 |
| Karina Kowalski Leeds, MD | 1861079956 | Psychiatry Physician | Cleveland, OH | 2021 |
| Harriet Kowalski Seidman, SLP | 1184782815 | Speech-Language Pathologist | Brooklyn, NY | 2006 |
| Monica Kowalski-Lundi | 1417116658 | Occupational Therapist | Ashtabula, OH | 2008 |
| Michele Kowalski-McGraw, MD | 1326104209 | Family Medicine Physician | San Diego, CA | 2006 |
| Dolores Kowalski-Meier, O.D. | 1538175559 | Optometrist | Saginaw, MI | 2006 |
| Kathy Kowalski-Ojoare | 1003641366 | Behavior Technician | Farmington Hills, MI | 2024 |
| Alvin Kowalsky | 1467302562 | Personal Care Attendant | Belington, WV | 2026 |
| Amanda Kowalsky, PT, DPT | 1750268702 | Physical Therapist | Goodyear, AZ | 2025 |
| Amber Kowalsky, DNP | 1164053484 | Critical Care Neonatal Nurse Practitioner | Chicago, IL | 2020 |
| Bonnie Kowalsky, RN | 1093520017 | Registered Nurse | Walpole, MA | 2025 |
| Carly Kowalsky | 1043046972 | Registered Nurse | Auburn Hills, MI | 2024 |
| Christopher Kowalsky, M.D. | 1508836644 | Psychiatry Physician | Ashton, MD | 2006 |
| Clara Kowalsky, NP | 1194492694 | Family Nurse Practitioner | Glastonbury, CT | 2021 |
| Cynthia Kowalsky, RPH | 1376927327 | Pharmacist | Carmichaels, PA | 2015 |
| Daniel Kowalsky, M.D. | 1346690450 | Emergency Medicine Physician | Burlington, MA | 2016 |
| Esther Kowalsky, P.T. | 1437385697 | Physical Therapist | Clifton, NJ | 2009 |
| Grace Kowalsky | 1568276210 | Behavior Technician | Farmington Hills, MI | 2025 |
| James Kowalsky | 1043729643 | Mental Health Counselor | Westchester, IL | 2017 |
| Janet Kowalsky, DO | 1821655390 | Family Medicine Physician | Ronceverte, WV | 2019 |
| Kathryn Kowalsky, LICSW | 1417424615 | Clinical Social Worker | Boston, MA | 2018 |
| Kenneth Kowalsky, P.T. | 1396839932 | Physical Therapist | Falmouth, ME | 2006 |
| Kyle Kowalsky, DO | 1720787013 | General Practice Physician | Tacoma, WA | 2023 |
| Leah Kowalsky | 1649969833 | Pharmacist | Nashville, TN | 2023 |
| Letha Kowalsky, PT | 1669868063 | Physical Therapist | Brunswick, ME | 2015 |
| Marc Kowalsky, MD | 1699941823 | Orthopaedic Surgery Physician | Greenwich, CT | 2008 |
| Maria Kowalsky | 1578492575 | Counselor | Raleigh, NC | 2026 |
| Markus Kowalsky, MD | 1750819199 | Anesthesiology Physician | Aurora, CO | 2017 |
| Meredith Kowalsky, M.S., P.T. | 1649325465 | Physical Therapist | Boca Raton, FL | 2007 |
| Michael Kowalsky | 1003770579 | Behavior Technician | Farmington Hills, MI | 2025 |
| Miriam Kowalsky, M.S. | 1659635654 | Specialist | Brooklyn, NY | 2012 |
| Orest Kowalsky, DDS | 1730367657 | General Practice Dentistry | Heath, OH | 2008 |
| Patricia Kowalsky, PHARMD | 1942609631 | Pharmacist | Monroeville, PA | 2014 |
| Rachel Kowalsky, MD | 1104038652 | Pediatric Emergency Medicine (Pediatrics) Physician | Saint Louis, MO | 2007 |
| Rachel Kowalsky, MA | 1659571586 | Counselor | Lawrence, MA | 2007 |
| Rachel Kowalsky | 1790949089 | Pharmacist | Pike Road, AL | 2008 |
| Richard Kowalsky, MD | 1518235787 | Internal Medicine Physician | Miami, FL | 2011 |
| Richard Kowalsky, MD | 1689620379 | Anesthesiology Physician | Minneapolis, MN | 2006 |
| Ryan Kowalsky, MD | 1194287722 | Anesthesiology Physician | Springfield, MA | 2019 |
| Shoshana Kowalsky, LCSW | 1538577374 | Clinical Social Worker | Brooklyn, NY | 2014 |
| Stacy Kowalsky, M.D. | 1063774370 | Surgical Oncology Physician | Cleveland, OH | 2012 |
| Stephen Kowalsky, OD | 1700880341 | Optometrist | Sparta, NJ | 2005 |
| Susan Kowalsky | 1295151421 | Mental Health Counselor | Holmdel, NJ | 2014 |
| Susan Kowalsky, N.D. | 1477675320 | Naturopath | Norwich, VT | 2007 |
| Susanne Kowalsky | 1285117002 | Professional Counselor | Chicago, IL | 2018 |
| Thomas Kowalsky, MD | 1457316036 | Surgery Physician | Fort Myers, FL | 2006 |
| Vicki Kowalsky, MSN PSYD | 1689736050 | Clinical Psychologist | Oak Lawn, IL | 2006 |
| Victoria Kowalsky | 1710564547 | Student in an Organized Health Care Education/Training Program | Hicksville, NY | 2021 |
| Yehuda Kowalsky, MHC | 1730589698 | Mental Health Counselor | Brooklyn, NY | 2014 |
| Daniel Kowalsky Moskaliuk, OD | 1679257935 | Optometrist | New York, NY | 2023 |
| Leigh Kowalsky-Goodwin, R.D.; CDE | 1801177910 | Registered Dietitian | Kaneohe, HI | 2011 |
| Shanna Kowalsky-Herbst, DO | 1285957464 | Pediatric Infectious Diseases Physician | Miami, FL | 2010 |
| Alexa Kowaluk, DC | 1982320099 | Chiropractor | Erie, CO | 2022 |
| Kenneth Kowalyk | 1235285438 | Dentist | Hilton Head Island, SC | 2007 |
| Stephan Kowalyk, M.D. | 1457458168 | Endocrinology, Diabetes & Metabolism Physician | Greensburg, PA | 2006 |
| Teon Kowalyk, D.C. | 1386839512 | Chiropractor | Ontario, NY | 2007 |
| Michael Kowalyshyn, MD | 1013919026 | Anatomic Pathology & Clinical Pathology Physician | Meadowbrook, PA | 2005 |
| Daniel Kowalzyk, DO | 1184647752 | Emergency Medicine Physician | Blue Island, IL | 2006 |
| Christina Kowan | 1043699903 | Behavior Analyst | Hermosa Beach, CA | 2015 |
| Sanford Kowan, DDS | 1790846798 | Orthodontics and Dentofacial Orthopedics Dentistry | Long Beach, NY | 2006 |
| Elizabeth Kowantz, M.A. BCBA | 1396093860 | Behavior Analyst | Brick, NJ | 2012 |
| Matthew Kowantz, PT | 1205149267 | Physical Therapist | Cincinnati, OH | 2010 |
| Lisa Kowar, OD | 1245371483 | Optometrist | Barrington, IL | 2007 |
| Justina Kowara, MA | 1598300923 | Counselor | Haverhill, FL | 2019 |
| Donna Koward, MD | 1386622256 | Pediatrics Physician | Warren, NJ | 2006 |
| Allen Kowarski, D.C. | 1700975695 | Chiropractor | Fairfax, VA | 2006 |
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).