Providers William Grass, DDS to Cono Grasso, MD
300 individual NPIs in the federal registry, part 8,191 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. 87 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| William Grass, DDS | 1124196225 | General Practice Dentistry | Amherst, MA | 2006 |
| William Grass, ARNP | 1407854383 | Critical Care Medicine Nurse Practitioner | Creve Coeur, MO | 2005 |
| Madlena Grass Alvarez | 1750007357 | Behavior Technician | Hialeah, FL | 2022 |
| Cynthia Grass Black, L.C.S.W. | 1851761365 | Clinical Social Worker | Crown Point, IN | 2015 |
| Eduard Grass Garcia, MD | 1679729479 | Surgery Physician | Red Oak, IA | 2008 |
| Carlos Grass Tellez | 1093400822 | Behavior Technician | Miami, FL | 2023 |
| Nancy Grass-Ferguson, N.P. | 1023074671 | Nurse Practitioner | Alexandria, LA | 2006 |
| Alaina Grassa | 1841177870 | Behavior Technician | Columbia, MD | 2025 |
| Emily Grassa, CDCAPRE | 1033044060 | Addiction (Substance Use Disorder) Counselor | Ravenna, OH | 2026 |
| Kathleen Grassa, OT | 1043892813 | Occupational Therapist | Royal Oak, MI | 2021 |
| Marialisa Grassa | 1154928752 | Behavior Analyst | San Diego, CA | 2020 |
| Michael Grassa | 1669026142 | General Practice Dentistry | Commack, NY | 2019 |
| Michael Grassa, MS | 1801445374 | Counselor | Woburn, MA | 2019 |
| Sofia Grassa | 1427835859 | Behavior Technician | San Diego, CA | 2023 |
| Virginia Grassa, NP | 1982639464 | Nurse Practitioner | Cambridge, MA | 2006 |
| John Grassam, D.C. | 1821293440 | Chiropractor | Port St Lucie, FL | 2007 |
| Lisa Grassam, D.C. | 1396940987 | Chiropractor | Stuart, FL | 2007 |
| Assuntina Grassano | 1740125558 | Behavior Technician | Cape Coral, FL | 2026 |
| Kenny Grassano | 1235542853 | Specialist | Valley Stream, NY | 2014 |
| Maryalicia Grassano, PT, DPT | 1538545108 | Orthopedic Physical Therapist | Virginia Beach, VA | 2015 |
| Vincenta Grassano, R.D. | 1659672582 | Registered Dietitian | New York City, NY | 2010 |
| Cameryn Grassanovits, PA-C | 1134870207 | Physician Assistant | Marysville, WA | 2022 |
| Meeka Grassaree | 1578047007 | Mental Health Counselor | Columbus, MS | 2018 |
| Jacob Grassauer, MD | 1083415244 | Student in an Organized Health Care Education/Training Program | Portland, OR | 2025 |
| Dallas Grassbaugh | 1457840092 | Behavior Technician | Albuquerque, NM | 2018 |
| Heidi Grassbaugh | 1144977133 | Massage Therapist | Minneapolis, MN | 2022 |
| Jason Grassbaugh, MD | 1184697211 | Orthopaedic Surgery Physician | Tacoma, WA | 2006 |
| Judy Grassbaugh, MA | 1558594051 | Social Worker | Albuquerque, NM | 2009 |
| Pamela Grassbaugh, LPCC., LADAC | 1366539819 | Professional Counselor | Silver City, NM | 2006 |
| Angela Grasse, AUD | 1164616447 | Audiologist | Omaha, NE | 2007 |
| Cheris Grasse, MPT | 1336652148 | Physical Therapist | Lansing, MI | 2017 |
| Daniel Grasse | 1992517890 | Personal Care Attendant | Louisville, OH | 2025 |
| Dianne Grasse | 1679608343 | School Psychologist | Chandler, AZ | 2007 |
| Elise Grasse, DC | 1811460298 | Chiropractor | Canton, OH | 2019 |
| Elizabeth Grasse, RN, PHN | 1275665119 | Pediatric Registered Nurse | San Diego, CA | 2007 |
| Erin Grasse, COTA | 1447622857 | Occupational Therapy Assistant | New Castle, IN | 2015 |
| Heather Grasse, MSW | 1497929921 | Clinical Social Worker | Green Bay, WI | 2008 |
| Jessie Grasse, NP | 1447280714 | Family Nurse Practitioner | Appleton, WI | 2006 |
| Jordan Grasse | 1679328934 | Mental Health Counselor | Las Vegas, NV | 2024 |
| Margaret Grasse, RN | 1346654043 | Registered Nurse | Wasilla, AK | 2014 |
| Mary Grasse | 1861356362 | Behavior Technician | Conway, AR | 2025 |
| Alina Grassel | 1366284903 | Licensed Practical Nurse | Toledo, OH | 2024 |
| Allison Grassel | 1669229498 | Mental Health Counselor | Milwaukee, WI | 2024 |
| Ann Grassel, P.T. | 1184796674 | Physical Therapist | San Ramon, CA | 2006 |
| Bryan Grassel, PHARMD | 1689044034 | Pharmacist | Albuquerque, NM | 2015 |
| Cheri Grassel | 1477790996 | Family Nurse Practitioner | Northville, MI | 2009 |
| Christine Grassel, D.C. | 1134494552 | Chiropractor | Shelby, OH | 2012 |
| Cody Grassel, CRNA | 1477033744 | Certified Registered Nurse Anesthetist | Grand Forks, ND | 2018 |
| Jennifer Grassel, FNP-C | 1467186510 | Family Nurse Practitioner | Grand Forks, ND | 2022 |
| Justine Grassel | 1922631613 | Behavior Technician | Auburn, MI | 2020 |
| Kimberly Grassel, RPT | 1609049733 | Physical Therapist | Waukee, IA | 2008 |
| Kyle Grassel, MD | 1861996456 | Diagnostic Radiology Physician | Roseville, MN | 2018 |
| Lily Grassel | 1518739002 | Speech-Language Pathologist | Plymouth, MI | 2023 |
| Meghan Grassel, MD | 1932803418 | Family Medicine Physician | Orange City, IA | 2023 |
| Penny Grassel, LAT | 1841417938 | Athletic Trainer | Prairie Du Chien, WI | 2007 |
| Savannah Grassel, PA-C | 1508716119 | Physician Assistant | Phoenix, AZ | 2026 |
| Scott Grassel, RPH | 1972658201 | Pharmacist | Payson, AZ | 2007 |
| Sharon Grassel, MPT | 1699978718 | Physical Therapist | Onamia, MN | 2007 |
| Trysta Grassel, RBT | 1487524997 | Behavior Technician | Libertyville, IL | 2025 |
| Amanda Grassell, NP | 1285096164 | Nurse Practitioner | Green Bay, WI | 2016 |
| Jay Grassell, MD | 1821029687 | Hospitalist Physician | Marysville, CA | 2006 |
| Margaret Grassell | 1568878056 | Physical Therapist | Wadsworth, OH | 2014 |
| Tabatha Grasselli | 1437958170 | Day Training/Habilitation Specialist | Omaha, NE | 2025 |
| Angela Grasser, MD | 1285853697 | Family Medicine Physician | Kerman, CA | 2007 |
| Denise Grasser, LCSW | 1447808076 | Clinical Social Worker | La Porte, IN | 2019 |
| Eric Grasser, M.D. | 1962474635 | Family Medicine Physician | Santa Fe, NM | 2006 |
| Hannah Grasser | 1801420773 | Case Manager/Care Coordinator | Longview, WA | 2020 |
| Ivette-Marie Grasser | 1689366445 | Behavior Technician | Mount Dora, FL | 2023 |
| Jeanne Grasser | 1952789505 | Speech-Language Pathologist | Long Beach, NY | 2015 |
| Jeffrey Grasser, LPC | 1104844075 | Mental Health Counselor | Palmer, AK | 2006 |
| Jeffrey Grasser, DDS | 1245204676 | Dentist | Indianapolis, IN | 2006 |
| Krista Grasser, OTR/L | 1740736529 | Occupational Therapist | Vidor, TX | 2016 |
| Leilani Grasser, MSW | 1255947719 | Counselor | Longview, WA | 2020 |
| Marie Grasser | 1225426554 | Counselor | Lebanon, PA | 2015 |
| Mathew Grasser, PT | 1487115994 | Physical Therapist | East Grand Forks, MN | 2019 |
| Taylor Grasser, PA-C | 1962062109 | Medical Physician Assistant | Lynchburg, VA | 2019 |
| Terri Grasser, OTR | 1518083724 | Occupational Therapist | Wisconsin Rapids, WI | 2007 |
| Tresa Grasser, PT | 1003252396 | Physical Therapist | Belcamp, MD | 2013 |
| Riley Grasser-Hemer, LAT, ATC | 1609345735 | Athletic Trainer | Burnsville, MN | 2018 |
| Daniel Grasseschi, RPH | 1720203953 | Pharmacist | Kalamazoo, MI | 2007 |
| Mitchell Grasseschi, MD | 1801863097 | Plastic Surgery Physician | Chicago, IL | 2006 |
| Nicholas Grasseschi | 1073058699 | Developmental Therapist | Worcester, MA | 2017 |
| Robert Grasseschi, MD | 1548261274 | Pulmonary Disease Physician | Great Falls, MT | 2005 |
| Lexi Grasseth | 1881301562 | Counselor | Port Townsend, WA | 2022 |
| Brenda Grassett, PT | 1861698961 | Physical Therapist | Newark, DE | 2007 |
| William Grassette Melendez, MD | 1972515856 | General Practice Physician | Toa Baja, PR | 2006 |
| Kathleen Grassetti, ASW | 1548690407 | Mental Health Counselor | San Diego, CA | 2013 |
| Marie Grassetti, RN, CPNP-PC | 1124484084 | Pediatric Nurse Practitioner | New York, NY | 2016 |
| Stevie Grassetti, M.A. | 1922365030 | Student in an Organized Health Care Education/Training Program | Wilmington, DE | 2012 |
| Silivia Grassetti-Kruglikov, ED. S. | 1558606152 | School Psychologist | Alameda, CA | 2012 |
| Claudia Grassey, N.P. | 1194940155 | Pediatric Nurse Practitioner | Carmel, NY | 2007 |
| Jocelyn Grassey, M.S. CCC-SLP | 1366511263 | Speech-Language Pathologist | Providence, RI | 2006 |
| Justin Grassey | 1134523327 | Behavior Analyst | Chester Springs, PA | 2014 |
| Eve Grassfield | 1255119434 | Social Worker | New York, NY | 2023 |
| Marjorie Grassfield, BSHCA/LPN | 1205384500 | Licensed Practical Nurse | Pine Bush, NY | 2016 |
| Shirley Grassflower, N.P. | 1023041548 | Nurse Practitioner | Dowagiac, MI | 2006 |
| Courtney Grassham | 1093983462 | Psychiatric/Mental Health Nurse Practitioner | Albuquerque, NM | 2008 |
| Johanna Grassham, RN, CDE, BC-ADM, CNP | 1033474580 | Nurse Practitioner | Albuquerque, NM | 2012 |
| Jordan Grasshoff, OTR/L | 1285147942 | Occupational Therapist | Addison, TX | 2017 |
| Lisa Grasshoff, LPC | 1013728153 | Mental Health Counselor | Amherst, WI | 2025 |
| Maura Grasshoff | 1992047229 | Mental Health Counselor | Madison, WI | 2013 |
| Victoria Grasshoff, SLP | 1548306558 | Speech-Language Pathologist | Florence, SC | 2007 |
| Adam Grassi | 1033503800 | Student in an Organized Health Care Education/Training Program | Cleveland, OH | 2015 |
| Allison Grassi | 1447556667 | Midwife | Sammamish, WA | 2011 |
| Alyssa Grassi | 1801223623 | Massage Therapist | Sierra Madre, CA | 2013 |
| Andrea Grassi, MS, RD, LD, CDE | 1518589977 | Obesity and Weight Management Nutrition Registered Dietitian | Wichita Falls, TX | 2020 |
| Angela Grassi, MD | 1306423272 | Internal Medicine Physician | Rochester, MN | 2021 |
| Anita Grassi, MD | 1831189513 | Dermatology Physician | Boston, MA | 2005 |
| Anna Grassi, DO | 1255691457 | Obstetrics & Gynecology Physician | West Reading, PA | 2012 |
| Armando Grassi, M.D. | 1487707469 | Neonatal-Perinatal Medicine Physician | New York, NY | 2007 |
| Benedetta Grassi | 1609768993 | Student in an Organized Health Care Education/Training Program | New York, NY | 2025 |
| Brian Grassi, MA | 1912236720 | Mental Health Counselor | Pittsburgh, PA | 2009 |
| Carrie Grassi, NP | 1093001646 | Adult Health Nurse Practitioner | Wallingford, CT | 2011 |
| Cecilia Grassi | 1407563232 | Case Manager/Care Coordinator | San Diego, CA | 2022 |
| Charles Grassi | 1760194807 | Behavior Technician | Monrovia, CA | 2022 |
| Christina Grassi, M.D. | 1306228515 | Ophthalmology Physician | Cambridge, MA | 2015 |
| Christina Grassi | 1649452889 | Specialist | Mount Sinai, NY | 2007 |
| Christine Grassi | 1659904589 | Counselor | Sheridan, CO | 2020 |
| Christopher Grassi, LCSW | 1386354801 | Clinical Social Worker | Moosic, PA | 2022 |
| Clement Grassi, M.D. | 1407808686 | Diagnostic Radiology Physician | Boston, MA | 2006 |
| Daniel Grassi, PT | 1174969224 | Orthopedic Physical Therapist | Allen, TX | 2013 |
| Danielle Grassi, PA-C | 1366082216 | Physician Assistant | New York, NY | 2020 |
| Danielle Grassi | 1689344392 | Mental Health Counselor | Olney, MD | 2021 |
| Dante Grassi, PHARM. D. | 1982853875 | Pharmacotherapy Pharmacist | Danville, PA | 2008 |
| David Grassi | 1891835849 | Endodontics | Rochester, NY | 2007 |
| Diane Grassi, NP | 1063917136 | Adult Health Nurse Practitioner | Smithtown, NY | 2018 |
| Frank Grassi | 1659342624 | Critical Care Medicine (Internal Medicine) Physician | San Diego, CA | 2006 |
| Haley Grassi | 1205440781 | Counselor | Bremerton, WA | 2020 |
| Hannah Grassi | 1043054711 | Physician Assistant | Bourne, MA | 2024 |
| James Grassi, LCSW | 1518062025 | Social Worker | Philadelphia, PA | 2006 |
| Jessica Grassi, LMHC | 1528737335 | Mental Health Counselor | Greenfield Center, NY | 2021 |
| John Grassi, PA | 1457471450 | Emergency Medicine Physician | Manhasset, NY | 2007 |
| John Grassi, MASSAGE THERAPIST | 1548514318 | Massage Therapist | Jupiter, FL | 2012 |
| Julie Grassi | 1396879599 | Physical Therapist | St Louis, MO | 2007 |
| Julie Grassi, P.A.-C | 1952762486 | Physician Assistant | Boston, MA | 2016 |
| Jumana Grassi, LCSW, CASAC | 1609281542 | Social Worker | Rye, NY | 2014 |
| Kathleen Grassi, PHARMD | 1427679018 | Pharmacist | East Orange, NJ | 2020 |
| Kelly Grassi, PHARMD | 1679859573 | Pharmacist | Omaha, NE | 2011 |
| Kevin Grassi, M.D. | 1831457209 | Pediatrics Physician | Glens Falls, NY | 2012 |
| Kiera Grassi, DNP | 1639069669 | Student in an Organized Health Care Education/Training Program | Fresh Meadows, NY | 2025 |
| Kristina Grassi, CRNP | 1649678012 | Family Nurse Practitioner | Philadelphia, PA | 2014 |
| Lana Grassi | 1508470253 | Behavior Technician | Capitola, CA | 2020 |
| Lauren Grassi, LCSW | 1598114829 | Clinical Social Worker | Linwood, NJ | 2016 |
| Lionel Grassi | 1376010686 | Peer Specialist | Concord, NH | 2018 |
| Louis Grassi, RDCS,RVT | 1386231371 | Sonography Specialist/Technologist Cardiovascular | Miller Place, NY | 2020 |
| Luigi Grassi | 1194668459 | Anesthesiology Physician | Boston, MA | 2026 |
| Marcelle Grassi, MD | 1881690915 | Dermatology Physician | Cheektowaga, NY | 2005 |
| Mary Grassi | 1841411832 | Occupational Therapist | Pittsburgh, PA | 2007 |
| Mary Grassi | 1861142119 | Licensed Practical Nurse | Grand Rapids, MI | 2022 |
| Matthew Grassi, RPH | 1487977575 | Pharmacist | Catskill, NY | 2010 |
| Meghan Grassi | 1760909204 | Community Health Worker | American Fork, UT | 2017 |
| Melissa Grassi, OTR/L | 1700036142 | Occupational Therapist | Goshen, NY | 2008 |
| Melissa Grassi, RDH | 1891293544 | Dental Hygienist | Colorado Springs, CO | 2018 |
| Michael Grassi, MD | 1093276941 | Pediatric Critical Care Medicine Physician | Iowa City, IA | 2019 |
| Michael Grassi, MD | 1689666885 | Ophthalmology Physician | Naperville, IL | 2005 |
| Michael Grassi, D.D.S. | 1821137860 | Endodontics | Rochester, NY | 2007 |
| Michael Grassi, M.D. | 1952340143 | Internal Medicine Physician | Robbinsdale, MN | 2006 |
| Nathaniel Grassi, MS | 1881371615 | Mental Health Counselor | Jacksonville, FL | 2023 |
| Nel Grassi | 1417177130 | Dental Hygienist | Ft Worth, TX | 2007 |
| Nicole Grassi, DDS | 1649656505 | Dentist | Fayetteville, NY | 2015 |
| Patricia Grassi, MS, CCC-A; FAAA | 1407808561 | Audiologist | Brick, NJ | 2006 |
| Peter Grassi, R.PH. | 1356824023 | Pharmacist | Armonk, NY | 2018 |
| Rachel Grassi | 1164223178 | Homemaker | Westerville, OH | 2025 |
| Robert Grassi, DMD | 1902405202 | General Practice Dentistry | Winchester, MA | 2020 |
| Ronald Grassi, DC | 1306857354 | Chiropractor | Jupiter, FL | 2006 |
| Sara Grassi | 1477015303 | Internal Medicine Physician | Baltimore, MD | 2019 |
| Sarah Grassi, MA | 1992453021 | Behavior Analyst | Cape Coral, FL | 2022 |
| Stacey Grassi, PHARM.D. | 1669442083 | Pharmacotherapy Pharmacist | Danville, PA | 2006 |
| Suzan Grassi, RPH | 1104162049 | Pharmacist | Bronx, NY | 2012 |
| Troy Grassi | 1568778470 | Student in an Organized Health Care Education/Training Program | Stockton, CA | 2010 |
| Angela Grassi Flanagan | 1881106912 | Social Worker | Peekskill, NY | 2017 |
| Giulia Grassi Stevens | 1770294738 | Behavior Technician | Poway, CA | 2022 |
| Janelle Grassi-Eisenmann | 1427730829 | Clinical Social Worker | Buda, TX | 2023 |
| Amanda Grassia, MA | 1528982410 | School Counselor | San Diego, CA | 2026 |
| Annaliese Grassia | 1821988023 | Student in an Organized Health Care Education/Training Program | San Antonio, TX | 2025 |
| Cecily Grassia, LICSW | 1265957740 | Clinical Social Worker | Boston, MA | 2017 |
| Christopher Grassia | 1679019293 | Behavior Technician | Stoneham, MA | 2017 |
| Elvira Grassia | 1275241903 | Specialist | New York, NY | 2022 |
| Fabio Grassia, MD | 1275141756 | Neurological Surgery Physician | Aurora, CO | 2020 |
| Gina Grassia, RN CCM | 1255087441 | Case Management Registered Nurse | Wilmington, MA | 2022 |
| Joanne Grassia, PH.D. | 1669833497 | Marriage & Family Therapist | Northampton, MA | 2016 |
| Kalee Grassia, MD | 1104358746 | Pediatric Critical Care Medicine Physician | Cincinnati, OH | 2017 |
| Karrie Grassia | 1629808472 | Health Educator | Clearwater, FL | 2024 |
| Michael Grassia, MD | 1235128133 | Nephrology Physician | Norfolk, VA | 2005 |
| Michelle Grassia | 1841008919 | Lactation Consultant (Non-RN) | Frederick, CO | 2024 |
| Mikayla Grassia, PA-C | 1265145593 | Physician Assistant | Manchester, NH | 2023 |
| Nicholas Grassia, LIC. AC. | 1568857969 | Acupuncturist | Oakhurst, NJ | 2015 |
| Julie Grassian, LMSW, MPH | 1922838408 | Social Worker | San Francisco, CA | 2024 |
| Stuart Grassian, M.D. | 1790774867 | Psychiatry Physician | Chestnut Hill, MA | 2005 |
| Brandon Grassick, PT, DPT | 1568332757 | Physical Therapist | Woodland, CA | 2025 |
| Joshua Grassick | 1013625599 | Case Manager/Care Coordinator | Columbus, OH | 2022 |
| Pamela Grassick, APRN | 1205415452 | Primary Care Nurse Practitioner | Ashland, OH | 2021 |
| Charles Grassie, M.D. | 1649226119 | Emergency Medicine Physician | Howell, MI | 2006 |
| Hannah Grassie, M.S., CCC-SLP | 1649514092 | Speech-Language Pathologist | Ft Belvoir, VA | 2012 |
| Karen Grassie, M.D. | 1417056516 | Surgery Physician | Concord Twp, OH | 2006 |
| Michelle Grassie | 1225289879 | Massage Therapist | Cresco, PA | 2008 |
| Noah Grassie | 1962128819 | Behavior Technician | Costa Mesa, CA | 2022 |
| Shannon Grassie, LAC | 1578449880 | Mental Health Counselor | Clifton, NJ | 2025 |
| Sherri Grassie | 1043336423 | Pharmacist | Somersworth, NH | 2007 |
| Frederick Grassin, D.D.S. | 1831311802 | Endodontics | New Port Richey, FL | 2007 |
| Mark Grassinger, LCSW | 1578902052 | Clinical Social Worker | Stockton, CA | 2013 |
| Marysue Grassinger, PHARMD. | 1720301211 | Pharmacist | Pittsburgh, PA | 2010 |
| Stacy Grassinger | 1730758160 | Behavior Technician | Hermantown, MN | 2021 |
| Molly Grassini | 1114458114 | Emergency Medicine Physician | Los Angeles, CA | 2017 |
| Joseph Grassino, DMS, PA-C | 1215202510 | Surgical Physician Assistant | Chesterfield, MO | 2012 |
| Rachel Grassity | 1679041453 | Behavior Technician | Austin, TX | 2018 |
| Merry Grasska, N.P. | 1629114202 | Family Nurse Practitioner | Costa Mesa, CA | 2007 |
| Chelsea Grassl | 1730800558 | Social Worker | Rothschild, WI | 2022 |
| Corey Grassl, PSYD | 1770914392 | Clinical Psychologist | Manlius, NY | 2013 |
| Cortney Grassl | 1891572111 | Clinical Social Worker | Marion, IL | 2023 |
| Julia Grassl, M.S.ED. | 1366864167 | Mental Health Counselor | Brooklyn, NY | 2014 |
| Mary Grassl, REGISTERED NURSE | 1558068429 | Registered Nurse | West Allis, WI | 2023 |
| Megan Grassl, RDN, CD | 1699382051 | Registered Dietitian | Madison, WI | 2020 |
| Shayna Grassl | 1457160681 | Occupational Therapist | Oshkosh, WI | 2025 |
| Susan Grassl, PT | 1891993929 | Physical Therapist | Green Bay, WI | 2007 |
| Victoria Grassl, FNP | 1942162060 | Family Nurse Practitioner | Northglenn, CO | 2025 |
| Yvonne Grassl, MD | 1952372534 | Pediatrics Physician | Peoria, AZ | 2006 |
| Jeffrey Grassle, M.D. | 1205802147 | Emergency Medicine Physician | Chicago, IL | 2006 |
| Kent Grassle, D.D.S. | 1548262256 | Dentist | Olathe, KS | 2005 |
| Lisa Grassle, MFT | 1417122292 | Marriage & Family Therapist | Nipomo, CA | 2008 |
| Alicia Grassley, ARNP | 1508560988 | Family Nurse Practitioner | Des Moines, IA | 2023 |
| Christine Grassley, RN | 1467616110 | Community Health Registered Nurse | Benson, AZ | 2008 |
| Colleen Grassley, PA-C | 1659887073 | Physician Assistant | Ann Arbor, MI | 2017 |
| Derek Grassley | 1114735552 | Health Information Technician | Plymouth, MI | 2024 |
| Amber Grassman, RN/BSN | 1629643242 | Gerontology Nurse Practitioner | Dalton, OH | 2021 |
| Anna Grassman, DPT | 1285239731 | Physical Therapist | Glendale, WI | 2020 |
| Carlee Grassman, QBHS, CDCA | 1851004915 | Addiction (Substance Use Disorder) Counselor | Perrysville, OH | 2023 |
| Christine Grassman, NP | 1689111817 | Family Nurse Practitioner | Sierra Vista, AZ | 2017 |
| Deborah Grassman, ARNP | 1962590679 | Psychiatric/Mental Health Registered Nurse | St Petersburg, FL | 2006 |
| Elizabeth Grassman | 1255780359 | Dental Hygienist | Fort Hood, TX | 2016 |
| Eric Grassman, MD, PHD | 1386727311 | Cardiovascular Disease Physician | Edmonds, WA | 2006 |
| Janet Grassman, R.PH. | 1316457567 | Pharmacist | Yreka, CA | 2017 |
| Jill Grassman, LPC, BCIAC | 1548325665 | Professional Counselor | Tucson, AZ | 2006 |
| Kimberly Grassman | 1013782390 | Home Health Aide | Seattle, WA | 2023 |
| Kristin Grassman | 1457853822 | Behavior Technician | Roseville, CA | 2018 |
| Mark Grassman, MSW | 1922121003 | Clinical Social Worker | Boulder, CO | 2007 |
| Melyssa Grassman | 1629630587 | Counselor | Olympia, WA | 2019 |
| Molly Grassman, PA-C | 1275807422 | Medical Physician Assistant | Fernandina Beach, FL | 2012 |
| Karla Grassman-Proksch | 1235288945 | Pediatric Physical Therapist | San Diego, CA | 2007 |
| Arianna Grassmann | 1033614003 | Behavior Analyst | Temecula, CA | 2018 |
| Derrick Grassmann | 1053169250 | Behavior Analyst | Costa Mesa, CA | 2024 |
| Jeffrey Grassmann, D.O. | 1750580486 | Family Medicine Physician | South Portland, ME | 2007 |
| Jessica Grassmann, PHARM. D | 1619270477 | Pharmacist | Faribault, MN | 2010 |
| Ryan Grassmann, LPC | 1891152047 | Mental Health Counselor | Portland, OR | 2016 |
| Justin Grassmeyer, MD | 1780262675 | Retina Specialist (Ophthalmology) Physician | Iowa City, IA | 2021 |
| Kathryn Grassmeyer, PT, DPT | 1649580242 | Pediatric Physical Therapist | Falls Church, VA | 2010 |
| Ryan Grassmeyer | 1356280408 | Behavior Technician | Torrance, CA | 2026 |
| Bradford Grassmick, MD | 1356333181 | Critical Care Medicine (Internal Medicine) Physician | Southfield, MI | 2005 |
| Jessica Grassmick, CRNA | 1730363219 | Certified Registered Nurse Anesthetist | Saginaw, MI | 2007 |
| Pam Grassmidt, RNC | 1073735163 | Adult Health Nurse Practitioner | Modesto, CA | 2007 |
| Alissa Grassmuck, RBT | 1487387726 | Behavior Technician | Norman, OK | 2022 |
| Mallory Grassmuck, MS, RD, LD | 1992066351 | Registered Dietitian | Overland Park, KS | 2012 |
| Lee Grassmueck | 1811570484 | Physical Therapist | Montoursville, PA | 2021 |
| Brooke Grassmyer, MSN,APRN,FNP-C | 1184290652 | Family Nurse Practitioner | Hollidaysburg, PA | 2021 |
| Celina Grassmyer, PH.D. | 1457091043 | Clinical Child & Adolescent Psychologist | State College, PA | 2022 |
| Corey Grassmyer | 1144952508 | Behavior Technician | Farmington Hills, MI | 2022 |
| Jacob Grassmyer, DC | 1134721152 | Chiropractor | Bryan, OH | 2020 |
| Kathleen Grassmyer | 1770277022 | Family Nurse Practitioner | Bogart, GA | 2023 |
| Laura Grassmyer | 1285170928 | Physician Assistant | Altoona, PA | 2017 |
| Richard Grassmyer, DDS | 1942380803 | General Practice Dentistry | Salem, IN | 2006 |
| Tanya Grassnick, MD | 1962471862 | Family Medicine Physician | Kansas City, MO | 2006 |
| Abby Grasso | 1538511498 | Social Worker | Valley Cottage, NY | 2016 |
| Abigail Grasso | 1063218675 | Psychologist | Andover, MA | 2025 |
| Abigail Grasso, CDCA | 1184210254 | Addiction (Substance Use Disorder) Counselor | Portsmouth, OH | 2020 |
| Adam Grasso, MD | 1750585725 | Cardiovascular Disease Physician | Ellsworth, ME | 2007 |
| Albert Grasso, LCSW | 1427116813 | Clinical Social Worker | Fresno, CA | 2006 |
| Alessandra Grasso, MA | 1558970921 | Mental Health Counselor | West Newton, MA | 2020 |
| Alex Grasso, RN | 1114745486 | Community Health Registered Nurse | Worcester, MA | 2024 |
| Alexandra Grasso, PA-C | 1366034886 | Physician Assistant | Brockton, MA | 2021 |
| Alexandra Grasso, LMSW | 1699631705 | Social Worker | Chappaqua, NY | 2026 |
| Alexis Grasso | 1053991018 | Pharmacy Technician | San Antonio, TX | 2021 |
| Allary Grasso, L.M.S.W.-CC | 1508302803 | Clinical Social Worker | Wiscasset, ME | 2017 |
| Allison Grasso | 1952916280 | Behavior Analyst | Fredericksburg, VA | 2020 |
| Alyssa Grasso | 1508083148 | Counselor | Sacramento, CA | 2007 |
| Amanda Grasso, PA-C | 1386202281 | Physician Assistant | Boston, MA | 2019 |
| Amberlyn Grasso | 1871415240 | Mental Health Counselor | Higganum, CT | 2026 |
| Amy Grasso, MA, CCC-SLP | 1245623636 | Speech-Language Pathologist | Baltimore, MD | 2015 |
| Amy Grasso | 1689947814 | Pediatric Physical Therapist | Amherst, NY | 2012 |
| Andrew Grasso, PHARM.D. | 1770753733 | Pharmacist | Lackland A F B, TX | 2008 |
| Angela Grasso, LAC, LMT | 1154581643 | Acupuncturist | New York, NY | 2008 |
| Angelice Grasso | 1407471493 | Surgical Physician Assistant | Garfield, NJ | 2020 |
| Anna Grasso, MS, OTR/L | 1356710545 | Occupational Therapist | Baltimore, MD | 2015 |
| Anthony Grasso, DPT | 1023556685 | Physical Therapist | Old Forge, PA | 2017 |
| Anthony Grasso, PHARM.D. | 1215142799 | Pharmacotherapy Pharmacist | Laconia, NH | 2007 |
| Anthony Grasso, LCSW | 1215209267 | Social Worker | Colonie, NY | 2012 |
| Anthony Grasso, M.D. | 1295710093 | Pain Medicine (Physical Medicine & Rehabilitation) Physician | Marietta, GA | 2005 |
| Anthony Grasso, DDS | 1902974215 | General Practice Dentistry | Syracuse, NY | 2006 |
| Antonio Grasso, MD | 1497930408 | Student in an Organized Health Care Education/Training Program | Horsham, PA | 2008 |
| Ariadna Grasso | 1225899891 | Personal Care Attendant | Las Vegas, NV | 2024 |
| Armand Grasso, M.D. | 1578678876 | Obstetrics & Gynecology Physician | North Arlington, NJ | 2006 |
| Ashley Grasso, APRN, FNP-BC | 1003709494 | Family Nurse Practitioner | Boca Raton, FL | 2025 |
| Benjamin Grasso, MD | 1689682312 | Psychiatry Physician | Falmouth, ME | 2006 |
| Breanne Grasso, OTR/L | 1992078109 | Occupational Therapist | Fremont, CA | 2012 |
| Brenda Grasso | 1952081622 | Social Worker | Phoenix, AZ | 2023 |
| Brianna Grasso, MA, CCC-SLP | 1174021224 | Speech-Language Pathologist | Hillsborough, NJ | 2018 |
| Carl Grasso | 1972819084 | School Psychologist | Phoenix, AZ | 2010 |
| Caroline Grasso, DDS | 1811282361 | Dentist | New York, NY | 2011 |
| Christian Grasso, M.S., CCC-SLP | 1700075629 | Speech-Language Pathologist | San Diego, CA | 2007 |
| Christopher Grasso, LPCC | 1659939213 | Professional Counselor | Escondido, CA | 2019 |
| Cono Grasso, MD | 1609808393 | Ophthalmology Physician | Elmhurst, NY | 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).