Providers Rebecca Leong, NP to Regina Leoni, M.D.
300 individual NPIs in the federal registry, part 12,531 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. 94 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Rebecca Leong, NP | 1467124487 | Acute Care Nurse Practitioner | Royal Oak, MI | 2021 |
| Rebecca Leong, RPH | 1891853438 | Pharmacist | Stony Brook, NY | 2006 |
| Rebecca Leong, M.D. | 1922089952 | Anesthesiology Physician | Wayland, MA | 2005 |
| Rena Leong, PHARM.D. | 1144534371 | Pharmacist | Long Beach, CA | 2010 |
| Renee Leong | 1831985803 | Phlebotomy Technician | San Jose, CA | 2025 |
| Richard Leong, DDS PA | 1023220803 | Dentist | Melbourne, FL | 2007 |
| Richard Leong | 1467852715 | Pharmacist | Astoria, NY | 2014 |
| Richard Leong | 1801308838 | Social Worker | Salida, CO | 2017 |
| Richard Leong | 1891454781 | Pharmacist | Buffalo, NY | 2021 |
| Richard Leong, D.D.S | 1922147537 | Dentist | Medford, OR | 2007 |
| Richard Leong, O.D. | 1962470153 | Optometrist | Sacramento, CA | 2006 |
| Riza Leong | 1013484096 | Primary Care Nurse Practitioner | Las Vegas, NV | 2018 |
| Roberta Leong, L.AC. | 1598992018 | Acupuncturist | Downey, CA | 2009 |
| Roland Leong, DDS | 1790900777 | General Practice Dentistry | San Mateo, CA | 2007 |
| Ron Leong, M.D. | 1851738538 | Critical Care Medicine (Internal Medicine) Physician | Philadelphia, PA | 2013 |
| Rosalyne Leong, PA-C | 1306186101 | Medical Physician Assistant | Covina, CA | 2013 |
| Ruby Leong, PHARMD | 1174035968 | Oncology Pharmacist | Bethesda, MD | 2017 |
| Rudy Leong | 1316004211 | Family Medicine Physician | Martinez, CA | 2007 |
| Russell Leong, M.D. | 1518961069 | Allergy Physician | San Francisco, CA | 2005 |
| Russell Leong, DO | 1881253730 | Nephrology Physician | Olympia, WA | 2019 |
| Ryan Leong | 1467921551 | Mental Health Counselor | Lowell, MA | 2018 |
| Ryan Leong, DDS | 1770318289 | General Practice Dentistry | San Mateo, CA | 2024 |
| Sabrina Leong, OD | 1194401851 | Optometrist | Las Vegas, NV | 2023 |
| Sabrina Leong | 1619626231 | Pediatrics Physician | Saint Louis, MO | 2022 |
| Sally Leong, MD | 1801478532 | Internal Medicine Physician | Sylmar, CA | 2021 |
| Sam Leong, PH.D. | 1619036480 | Clinical Psychologist | San Francisco, CA | 2006 |
| Samantha Leong, PHARMD | 1124905401 | Cardiology Pharmacist | La Jolla, CA | 2025 |
| Samantha Leong, MD, PHD | 1841827490 | Student in an Organized Health Care Education/Training Program | Philadelphia, PA | 2020 |
| Samuel Leong, L.AC | 1740544261 | Acupuncturist | Houston, TX | 2012 |
| Sandra Leong, M.D. | 1104190537 | Psychiatry Physician | New York, NY | 2012 |
| Sandra Leong, M.D. | 1225229123 | Gynecology Physician | Santa Monica, CA | 2007 |
| Scott Leong, PHARMD | 1851878680 | Pharmacist | Oakland, CA | 2018 |
| Seng Leong, MD | 1487750790 | Internal Medicine Physician | Barrington, IL | 2006 |
| Sharon Leong, OD | 1255590410 | Optometrist | Camp Pendleton, CA | 2008 |
| Sharon Leong, MD | 1760498018 | Pediatrics Physician | Austin, TX | 2006 |
| Shawna Leong, FNP | 1891349643 | Family Nurse Practitioner | Nashville, TN | 2019 |
| Sheldon Leong | 1467764654 | Nephrology Physician | Sacramento, CA | 2010 |
| Shelley Leong, MD | 1215381215 | Pulmonary Disease Physician | Seattle, WA | 2016 |
| Shirley Leong, MD | 1316011380 | Pediatrics Physician | Fremont, CA | 2006 |
| Shirley Leong, LCSW | 1639369119 | Clinical Social Worker | San Francisco, CA | 2007 |
| Shou Ling Leong, MD | 1265490254 | Family Medicine Physician | Hershey, PA | 2006 |
| Spencer Leong, M.D. | 1275066888 | Internal Medicine Physician | Spartanburg, SC | 2017 |
| Stanley Leong | 1043322936 | Internal Medicine Physician | El Monte, CA | 2006 |
| Stanley Leong, MD | 1225092596 | Surgery Physician | San Francisco, CA | 2006 |
| Stanley Leong, PHARM D | 1811223746 | Pharmacist | Danville, CA | 2009 |
| Stanley Leong | 1871027698 | Pharmacist | Sacramento, CA | 2017 |
| Stephanie Leong, MD | 1033190822 | Psychiatry Physician | Tacoma, WA | 2005 |
| Stephanie Leong, MD | 1114086873 | Pediatrics Physician | Los Angeles, CA | 2006 |
| Stephanie Leong, PHARMD | 1437750767 | Pharmacist | Spokane, WA | 2020 |
| Stephen Leong | 1003394669 | Other Technician | Anaheim, CA | 2018 |
| Stephen Leong, MD | 1194862466 | Medical Oncology Physician | Aurora, CO | 2007 |
| Stephen Leong, MD | 1285336313 | Student in an Organized Health Care Education/Training Program | New York, NY | 2023 |
| Steven Leong | 1720571292 | Family Medicine Physician | St Petersburg, FL | 2018 |
| Stewart Leong, M.D. | 1801805205 | Anatomic Pathology & Clinical Pathology Physician | Reno, NV | 2006 |
| Susan Leong, R.PH. | 1396049409 | Pharmacist | Encino, CA | 2011 |
| Tammy Leong, M.D. | 1477615425 | Internal Medicine Physician | Birmingham, AL | 2006 |
| Tawny Leong | 1245007780 | Neonatal/Pediatric Registered Respiratory Therapist | Los Angeles, CA | 2023 |
| Terry Leong, RD | 1386948743 | Registered Dietitian | Honolulu, HI | 2010 |
| Thomas Leong, PHARMD | 1275626285 | Pharmacist | Fontana, CA | 2006 |
| Thomas Leong, M.D. | 1427011485 | Sports Medicine (Orthopaedic Surgery) Physician | Greer, SC | 2006 |
| Thomas Leong | 1770363301 | Social Worker | Gardena, CA | 2023 |
| Thomas Leong, MD | 1891867602 | Obstetrics & Gynecology Physician | Stockton, CA | 2006 |
| Thomas Jun Hao Leong | 1295418473 | Student in an Organized Health Care Education/Training Program | Dallas, TX | 2023 |
| Timothy Leong, M.S., CF-SLP | 1134653546 | Speech-Language Pathologist | Saint Louis, MO | 2017 |
| Timothy Leong, D.M.D. | 1174596662 | General Practice Dentistry | Tucson, AZ | 2006 |
| Timothy Leong, RPH | 1609210152 | Pharmacist | Red Hook, NY | 2013 |
| Tin Leong, MD | 1790475689 | Student in an Organized Health Care Education/Training Program | New York, NY | 2023 |
| Tinney Leong | 1689562886 | Registered Nurse | Oakland, CA | 2025 |
| Tito Lok To Leong | 1346064425 | Community Health Worker | Columbus, OH | 2024 |
| Toihang Leong | 1669809398 | Pharmacy Technician | Seattle, WA | 2013 |
| Tommy Leong, M.D. | 1518060417 | Family Medicine Physician | Palmdale, CA | 2006 |
| Tracy Leong, MD | 1003133216 | Dermatology Physician | Riverside, CA | 2010 |
| Travis Leong, PT, DPT | 1861787871 | Physical Therapist | Brea, CA | 2011 |
| Truman Leong, PHARMD | 1427343094 | Pharmacist | Tucson, AZ | 2011 |
| Tsen Yee Leong | 1992367924 | Registered Nurse | San Diego, CA | 2019 |
| U-Cheng Leong, PH.D. | 1841449022 | Audiologist-Hearing Aid Fitter | Rochester, NY | 2008 |
| Vada Leong, MS | 1831307818 | Psychiatric/Mental Health Registered Nurse | Madison, WI | 2007 |
| Valerie Leong, M.D. | 1952402901 | Psychiatry Physician | Galesburg, IL | 2006 |
| Vanessa Leong | 1689499238 | Marriage & Family Therapist | Garden Grove, CA | 2024 |
| Vanhphenh Leong | 1003088410 | Audiologist-Hearing Aid Fitter | Charleston, SC | 2008 |
| Vasco Leong, PHARM D | 1962002089 | Pharmacist | Kendall Park, NJ | 2020 |
| Vicky Leong | 1720510480 | Pharmacist | Walnut Creek, CA | 2017 |
| Victor Leong, DDS | 1255456554 | Orthodontics and Dentofacial Orthopedics Dentistry | Palo Alto, CA | 2007 |
| Victor Leong, DPT | 1427628817 | Physical Therapist | Downers Grove, IL | 2021 |
| Vincent Leong | 1124831748 | Physical Therapist | Richardson, TX | 2025 |
| Vincent Leong | 1649592080 | Pharmacist | New York, NY | 2010 |
| Virginia Leong, RN | 1932418217 | General Practice Registered Nurse | Staten Island, NY | 2010 |
| Vivien Leong, PH. D. | 1396821559 | Psychologist | Houston, TX | 2006 |
| Wai Kit Kevin Leong, MA, MT-BC | 1366397705 | Music Therapist | Falls Church, VA | 2026 |
| Wanda Leong, D.D.S. | 1154481976 | Dentist | San Mateo, CA | 2006 |
| Warren Leong, MD | 1336253566 | Anesthesiology Physician | Delray Beach, FL | 2006 |
| Waymond Leong, DDS | 1447475405 | General Practice Dentistry | San Mateo, CA | 2007 |
| Wayne Leong, M.D. | 1023196102 | Hospitalist Physician | Oakland, CA | 2006 |
| Wayne Leong, MD | 1104902618 | Ophthalmology Physician | San Jose, CA | 2006 |
| Wayne Leong, D.D.S. | 1417952383 | General Practice Dentistry | Hilo, HI | 2005 |
| Wei Leong, DO | 1003602244 | Student in an Organized Health Care Education/Training Program | East Meadow, NY | 2025 |
| Wei Li Leong | 1104608694 | Behavior Technician | Canoga Park, CA | 2023 |
| Wei Quan Leong | 1124410956 | Pharmacist | Alamogordo, NM | 2015 |
| Weng (kenneth) Leong | 1194276949 | Psychologist | San Francisco, CA | 2016 |
| Wesley Leong, D.P.M. | 1063862035 | Foot & Ankle Surgery Podiatrist | Roanoke, VA | 2016 |
| Wesley Leong, MD | 1790864825 | Obstetrics & Gynecology Physician | San Jose, CA | 2006 |
| Wilbur Leong, PHARMD | 1962841114 | Ambulatory Care Pharmacist | San Francisco, CA | 2013 |
| Wilson Leong, PHARM D | 1619307253 | Pharmacist | Oakland, CA | 2013 |
| Wing Leong, D.O. | 1932171303 | Emergency Medicine Physician | Fpo Ae, VA | 2006 |
| Wing-Yin Leong, M.D. | 1285669549 | Pediatrics Physician | Arcadia, CA | 2006 |
| Yen Leong, OD | 1912294489 | Optometrist | Tacoma, WA | 2011 |
| Yuko Leong, RN, PHN, MSN | 1508048703 | Registered Nurse | Berkeley, CA | 2007 |
| Yung-Mei Leong, PH.D. | 1114792926 | Clinical Psychologist | Riverdale, MD | 2023 |
| Heather Leong Hulstein, D.O. | 1316397524 | Family Medicine Physician | Parker, CO | 2016 |
| Linda Leong Lee, PHARM.D. | 1053845933 | Pharmacist | Davis, CA | 2017 |
| Alexandra Leong Mattern | 1306529276 | Clinical Psychologist | Boston, MA | 2023 |
| Susan Leong-Kee, M.D. | 1881898302 | Gynecology Physician | Houston, TX | 2007 |
| Corinne Leong-Lee, PHARMACIST | 1205029253 | Pharmacist | Woodbury, NY | 2007 |
| Sarah Leong-Lopes, PT, DPT | 1598365629 | Physical Therapist | Arroyo Grande, CA | 2020 |
| Ashley Leong-Pang | 1184404972 | Behavior Technician | Honolulu, HI | 2023 |
| Peter Leong-Sit, MD | 1306002662 | Cardiovascular Disease Physician | Philadelphia, PA | 2008 |
| Kam Peng Leong-Sze, PA | 1184746976 | Surgical Physician Assistant | New York, NY | 2007 |
| Jing Leong-Utiashev, MS, RD, CDN | 1831713692 | Registered Dietitian | Elmhurst, NY | 2020 |
| Denise Leong-Yokota, DMD | 1790834893 | Prosthodontics | West Newton, MA | 2007 |
| Dmitry Leongardt, M.D. | 1174549554 | Internal Medicine Physician | Chico, CA | 2006 |
| Isabella Leongodoy | 1871319764 | Behavior Technician | El Segundo, CA | 2024 |
| Paul Leongson, MD | 1184362030 | Student in an Organized Health Care Education/Training Program | Toms River, NJ | 2022 |
| Cristina Leonguerrero | 1922967579 | Doula | Salida, CA | 2026 |
| Journi Leonguerrero | 1497495402 | Dental Assistant | Fort Carson, CO | 2022 |
| Rinamarie Leonguerrero, PHD, BCBA-D | 1144512542 | Behavior Analyst | Seattle, WA | 2011 |
| Alezandria Leonhard, DO | 1063353837 | Student in an Organized Health Care Education/Training Program | Milwaukee, WI | 2026 |
| Amanda Leonhard | 1467254094 | Student in an Organized Health Care Education/Training Program | Raleigh, NC | 2025 |
| Angela Leonhard | 1508610270 | Mental Health Counselor | Grand Junction, CO | 2024 |
| Aristotle Leonhard, MD | 1871086074 | Pulmonary Disease Physician | Seattle, WA | 2018 |
| Barrett Leonhard | 1679415350 | Physician Assistant | Chicago, IL | 2026 |
| Brianna Leonhard | 1184170409 | Behavior Analyst | Atlanta, GA | 2016 |
| Christoph Leonhard, PH.D. | 1760507750 | Cognitive & Behavioral Psychologist | Chicago, IL | 2007 |
| Colleen Leonhard, MSPT | 1407996184 | Physical Therapist | Orange, CT | 2007 |
| Donna Leonhard | 1821807165 | Registered Nurse | Lancaster, PA | 2025 |
| Edward Leonhard, PH.D. | 1861558843 | Psychologist | Scarsdale, NY | 2006 |
| Elizabeth Leonhard | 1427760883 | Case Manager/Care Coordinator | Southfield, MI | 2022 |
| Emily Leonhard, CCC-SLP | 1831758895 | Speech-Language Pathologist | New Orleans, LA | 2019 |
| Erin Leonhard | 1912858309 | Massage Therapist | Frisco, TX | 2026 |
| Holly Leonhard, ACNPC-AG | 1073013702 | Acute Care Nurse Practitioner | Covington, LA | 2018 |
| Jennifer Leonhard, MS, CGC | 1821407453 | Genetic Counselor (M.S.) | Bemidji, MN | 2014 |
| Joseph Leonhard | 1063335735 | Nurse's Aide | Morgantown, WV | 2026 |
| Karen Leonhard | 1427831700 | Personal Care Attendant | Las Vegas, NV | 2023 |
| Kelly Leonhard, PHD | 1770048332 | Psychologist | Winter Springs, FL | 2019 |
| Kristi Leonhard | 1831668805 | Certified Registered Nurse Anesthetist | Reading, PA | 2018 |
| Lexie Leonhard, MS, BCBA | 1063091049 | Behavior Analyst | Stevens Point, WI | 2021 |
| Linda Leonhard | 1992337083 | Peer Specialist | Springfield, OH | 2020 |
| Lindsey Leonhard, DNP | 1689546863 | Nurse Practitioner | Kailua, HI | 2025 |
| Lucas Leonhard, M.D. | 1568825834 | Otolaryngology Physician | Madison, WI | 2016 |
| Lynn Leonhard, M.A.,CCC-SLP | 1871745448 | Speech-Language Pathologist | Rochester, MI | 2008 |
| Margaret Leonhard, PSYD | 1760420020 | Clinical Psychologist | Florence, KY | 2006 |
| Mary Leonhard, LCSW | 1861134371 | Clinical Social Worker | Indianapolis, IN | 2022 |
| Mya Leonhard | 1417677709 | Counselor | Seattle, WA | 2022 |
| Nathan Leonhard | 1508566613 | Case Manager/Care Coordinator | Delphos, OH | 2023 |
| Peter Leonhard, DC | 1992724348 | Chiropractor | Madison, WI | 2006 |
| Rachel Leonhard | 1164662607 | Clinical Social Worker | Waukesha, WI | 2009 |
| Reese Leonhard | 1063211472 | Student in an Organized Health Care Education/Training Program | Shreveport, LA | 2025 |
| Sarah Leonhard, MD | 1649289257 | Internal Medicine Physician | Brandywine, MD | 2006 |
| Shawn Leonhard, D.O.M. , L.AC. | 1619653169 | Acupuncturist | Hagerstown, MD | 2023 |
| Trenten Leonhard | 1982433785 | Massage Therapist | Menomonie, WI | 2024 |
| Vanessa Leonhard, DO | 1528564242 | Plastic and Reconstructive Surgery Physician | Cedar Rapids, IA | 2018 |
| Alecia Leonhardt, RN | 1538392535 | Registered Nurse | Logan, UT | 2009 |
| Alina Leonhardt, RN | 1962159640 | Registered Nurse | Lillington, NC | 2022 |
| Allison Leonhardt, FNP-C | 1821835018 | Family Nurse Practitioner | Greenville, NC | 2024 |
| Amber Leonhardt, PMHNP-BC | 1073142386 | Psychiatric/Mental Health Nurse Practitioner | Gilbert, AZ | 2020 |
| Analiesa Leonhardt, CNM, DNP | 1477939361 | Obstetrics & Gynecology Nurse Practitioner | Layton, UT | 2015 |
| Andew Leonhardt, PHARMD | 1629673611 | Pharmacist | Lexington, KY | 2020 |
| Angela Leonhardt | 1932991593 | Homemaker | Hamilton, OH | 2025 |
| April Leonhardt, PTA | 1932433059 | Physical Therapy Assistant | Greenville, SC | 2009 |
| Baleigh Leonhardt | 1609677343 | Physical Therapist | Noblesville, IN | 2025 |
| Baylee Leonhardt, RDN, LD | 1922576115 | Registered Dietitian | Mansfield, OH | 2018 |
| Bethany Leonhardt, PSY D., HSPP | 1174988596 | Clinical Psychologist | Indianapolis, IN | 2015 |
| Bethany Leonhardt | 1578363818 | Day Training/Habilitation Specialist | Nebraska City, NE | 2025 |
| Brian Leonhardt, PA-C | 1114560851 | Surgical Physician Assistant | Willingboro, NJ | 2019 |
| Brianna Leonhardt, LPN | 1144064189 | Licensed Practical Nurse | Syracuse, NY | 2024 |
| Carl Leonhardt, DO | 1548647324 | Emergency Medicine Physician | Olympia Fields, IL | 2015 |
| Charles Leonhardt | 1598220329 | Addiction (Substance Use Disorder) Counselor | Dayton, OH | 2019 |
| Christina Leonhardt | 1215886668 | School Counselor | El Dorado Hills, CA | 2026 |
| Christine Leonhardt, FNP-BC | 1316412042 | Family Nurse Practitioner | Midland, TX | 2018 |
| Chunxia Leonhardt | 1396588240 | Homemaker | Wiggins, CO | 2024 |
| Cristina Leonhardt, LPC | 1407798135 | Professional Counselor | Cascade, CO | 2026 |
| Danny Leonhardt, MD | 1669432126 | Pediatrics Physician | Chicago, IL | 2006 |
| Debbie Leonhardt, LPC | 1780633479 | Professional Counselor | Taylorsville, NC | 2006 |
| Deborah Leonhardt, D.C. | 1508179102 | Chiropractor | Cumberland, WI | 2010 |
| Douglas Leonhardt, RPA-C | 1710918487 | Physician Assistant | Syracuse, NY | 2006 |
| Dwain Leonhardt, MD | 1497755474 | Internal Medicine Physician | Lincoln, NE | 2005 |
| Eric Leonhardt, DO | 1730271859 | Psychiatry Physician | Fort Myers, FL | 2006 |
| Erin Leonhardt, APSW | 1659227379 | Clinical Social Worker | Beloit, WI | 2026 |
| Gary Leonhardt, M.D. | 1538183942 | Addiction Medicine (Psychiatry & Neurology) Physician | Greenville, NC | 2006 |
| James Leonhardt, MD | 1700859535 | Specialist | Waukesha, WI | 2006 |
| Janie Leonhardt, MD | 1316029754 | Dermatology Physician | Seattle, WA | 2006 |
| Jason Leonhardt | 1235512435 | Optometrist | Colorado Springs, CO | 2015 |
| Jennifer Leonhardt | 1427780741 | Behavior Analyst | Freehold, NJ | 2022 |
| Jennifer Leonhardt, DMD | 1558102194 | General Practice Dentistry | Louisville, KY | 2024 |
| Jessica Leonhardt, LPN | 1477272599 | Licensed Practical Nurse | Alcoa, TN | 2022 |
| Jessica Leonhardt, MD | 1871343046 | Emergency Medicine Physician | Salt Lake City, UT | 2024 |
| Joanna Leonhardt | 1427787738 | Behavior Analyst | Danbury, CT | 2022 |
| John Leonhardt, RPA | 1366644544 | Physician Assistant | Roslyn, NY | 2007 |
| Jordan Leonhardt, MS, LPCC | 1093225757 | Mental Health Counselor | Austin, MN | 2017 |
| Juanita Leonhardt | 1386441251 | Day Training/Habilitation Specialist | Lincoln, NE | 2025 |
| Julie Leonhardt, PNP | 1164545927 | Pediatric Nurse Practitioner | Newton, MA | 2007 |
| Kacey Leonhardt, RN | 1194911891 | Registered Nurse | Racine, WI | 2007 |
| Karen Leonhardt, M.S. CF-SLP | 1417785791 | Speech-Language Pathologist | Kenosha, WI | 2024 |
| Kasey Leonhardt | 1891628996 | Social Worker | Haleiwa, HI | 2026 |
| Kellie Leonhardt, LPCC-S | 1194024943 | Professional Counselor | Shaker Hts, OH | 2011 |
| Kelsy Leonhardt | 1669165734 | Occupational Therapist | Grafton, WI | 2023 |
| Kendra Leonhardt, LMHP, CPC | 1124106356 | Mental Health Counselor | North Platte, NE | 2006 |
| Kevin Leonhardt | 1831996701 | Day Training/Habilitation Specialist | Lincoln, NE | 2025 |
| Kristin Leonhardt | 1053809079 | Physical Therapist | Philadelphia, PA | 2018 |
| Kristin Leonhardt | 1740175298 | Personal Care Attendant | Scottsbluff, NE | 2025 |
| Lara Leonhardt, M.D. | 1033305974 | Pediatrics Physician | Houston, TX | 2007 |
| Laura Leonhardt, CTRS | 1598788861 | Recreation Therapist | Northport, NY | 2006 |
| Leah Leonhardt, MD | 1164947297 | Diagnostic Radiology Physician | Lubbock, TX | 2017 |
| Lex Leonhardt, DO | 1386104024 | Hospitalist Physician | Miamisburg, OH | 2019 |
| Lori Leonhardt, M.D. | 1548671415 | Family Medicine Physician | Key West, FL | 2014 |
| Margaret Leonhardt, M.D. | 1538153416 | Family Medicine Physician | New Berlin, WI | 2005 |
| Mary Leonhardt | 1093363830 | Social Worker | Oak Forest, IL | 2019 |
| Maxwell Leonhardt, MD | 1285494518 | Student in an Organized Health Care Education/Training Program | New York, NY | 2024 |
| Megan Leonhardt | 1013804996 | Registered Nurse | Fort Meade, SD | 2025 |
| Melissa Leonhardt, MA | 1053523282 | Counselor | Conover, NC | 2007 |
| Melissa Leonhardt | 1629327689 | Professional Counselor | Berea, OH | 2012 |
| Merrilee Leonhardt, MD | 1144255316 | Psychiatry Physician | Suffield, CT | 2006 |
| Michael Leonhardt, DPT | 1366136699 | Physical Therapist | Pierz, MN | 2023 |
| Nancy Leonhardt, MA, LPC REG INTERN | 1508429077 | Mental Health Counselor | Portland, OR | 2019 |
| Nichole Leonhardt | 1376883926 | Massage Therapist | Kaukauna, WI | 2013 |
| Nicole Leonhardt | 1336691518 | Physical Therapist | Manhasset, NY | 2016 |
| Pamela Leonhardt, PSY.D | 1205091659 | Clinical Psychologist | Longmont, CO | 2008 |
| Payton Leonhardt, P.A. | 1407280159 | Physician Assistant | Chapel Hill, NC | 2013 |
| Ramona Leonhardt, LPC | 1427733765 | Mental Health Counselor | Arlington, TX | 2023 |
| Rebecca Leonhardt, FNP | 1164833737 | Family Nurse Practitioner | Kankakee, IL | 2014 |
| Rebecca Leonhardt, CRNA | 1508219270 | Certified Registered Nurse Anesthetist | Kettering, OH | 2016 |
| Rebecca Leonhardt, RN | 1942700679 | Registered Nurse | Sherman, TX | 2018 |
| Riana Leonhardt, FNP-BC | 1871938480 | Family Nurse Practitioner | Palo Alto, CA | 2013 |
| Robin Leonhardt, RD, CD, CDE | 1508381179 | Registered Dietitian | Sheboygan, WI | 2017 |
| Samantha Leonhardt, CTRS | 1487505236 | Recreation Therapist | Grand Rapids, MI | 2026 |
| Samantha Leonhardt, PT, DPT, CLT | 1811675481 | Physical Therapist | Durham, NC | 2023 |
| Shawn Leonhardt | 1760901888 | Pharmacist | Williamsville, NY | 2017 |
| Stephanie Leonhardt, MA | 1013723055 | Mental Health Counselor | Pottstown, PA | 2024 |
| Tami Leonhardt, PH.D. | 1255325783 | Clinical Psychologist | West Columbia, SC | 2005 |
| Tanner Leonhardt | 1508754300 | Electroneurodiagnostic Specialist/Technologist | Tulsa, OK | 2025 |
| Tanya Leonhardt | 1881270155 | Mental Health Counselor | Hackettstown, NJ | 2021 |
| Teri Leonhardt | 1750877866 | Behavior Analyst | Florence, AZ | 2018 |
| Tiffany Leonhardt, RN | 1801289806 | Pediatric Registered Nurse | Rocky River, OH | 2015 |
| Tracie Leonhardt, DO | 1588601751 | Endocrinology, Diabetes & Metabolism Physician | Largo, FL | 2006 |
| Tyler Leonhardt, PHARMD, RPH | 1295221299 | Pharmacist | Louisville, KY | 2018 |
| Wanda Leonhardt, CRNA | 1164532511 | Certified Registered Nurse Anesthetist | Greenville, NC | 2006 |
| Stephan Philip Leonhardt Altmayer, MD | 1437728821 | Internal Medicine Physician | Framingham, MA | 2021 |
| Ann Leonhardt-Caprio, NP | 1811092158 | Nurse Practitioner | Rochester, NY | 2006 |
| Lauren Leonhardt-Pope, LCSW | 1841429107 | Social Worker | Fort Belvoir, VA | 2009 |
| Rachel Leonhardy, FNP-C | 1366381212 | Family Nurse Practitioner | Eugene, OR | 2026 |
| Andrew Leonhart, PTA | 1285951277 | Physical Therapy Assistant | Charleston, WV | 2010 |
| Anne Leonhart, M.S. CCC SLP | 1144351719 | Speech-Language Pathologist | Lancaster, PA | 2007 |
| Crystal Leonhart | 1326503517 | Peer Specialist | Lawton, OK | 2019 |
| Danielle Leonhart | 1679085344 | Social Worker | Bowling Green, OH | 2017 |
| Heather Leonhart, M.S. CCC-SLP | 1770600892 | Speech-Language Pathologist | Charleston, WV | 2007 |
| Jaime Leonhart, LPT | 1366501728 | Physical Therapist | Cedar Falls, IA | 2006 |
| Juliana Leonhart, BCBA, LBA | 1003317033 | Behavior Analyst | Rocklin, CA | 2018 |
| Kandi Leonhart | 1043644099 | Case Manager/Care Coordinator | Gresham, OR | 2013 |
| Lexine Leonhart, ACNP | 1639318942 | Acute Care Nurse Practitioner | Springfield, MO | 2009 |
| Lisa Leonhart, M.D. | 1881086627 | Family Medicine Physician | Saint Louis, MO | 2015 |
| Nicole Leonhart, ANP | 1366600108 | Adult Health Nurse Practitioner | New York, NY | 2008 |
| Ryan Leonhart, DDS | 1255436523 | Oral and Maxillofacial Surgery (Dentist) | San Antonio, TX | 2006 |
| Salina Leonhart | 1467709469 | Contractor | Grand Junction, CO | 2012 |
| Samuel Leonhart | 1427528371 | Behavior Technician | Salt Lake City, UT | 2018 |
| Taylor Leonhart, MSW, LSW, LICDC | 1710602347 | Social Worker | Columbus, OH | 2022 |
| Tyler Leonhart, LSW | 1235738089 | Social Worker | Columbus, OH | 2020 |
| Victoria Leonhart, D.D.S. | 1619030301 | Dentist | Boerne, TX | 2006 |
| Eric Leonheart, DPM | 1124085709 | Foot & Ankle Surgery Podiatrist | Tacoma, WA | 2006 |
| Kristin Leonheart, M.S., LMFT | 1205264637 | Marriage & Family Therapist | Carrboro, NC | 2013 |
| Alissa Leoni, SW | 1356032247 | Clinical Social Worker | Chicago, IL | 2023 |
| Amanda Leoni, LCSW, LSCSW | 1356047039 | Clinical Social Worker | Prairie Village, KS | 2023 |
| Brandi Leoni | 1659176501 | Personal Care Attendant | Reno, NV | 2025 |
| Camille Leoni | 1730981788 | Military Health Care Provider | Bethesda, MD | 2025 |
| Christopher Leoni, M.D. | 1790744324 | Diagnostic Radiology Physician | Edina, MN | 2006 |
| Darcy Leoni, MSCCCSLP | 1871614180 | Speech-Language Pathologist | Pittsburgh, PA | 2007 |
| Debbie Leoni, MA, LPC | 1548423353 | Professional Counselor | Woolwich Twp, NJ | 2008 |
| Gabrielle Leoni | 1871422956 | Behavior Technician | Valparaiso, IN | 2026 |
| Hannah Leoni | 1518315670 | Student in an Organized Health Care Education/Training Program | Salinas, CA | 2016 |
| Holly Leoni, M.S., CCC-SLP | 1518253293 | Speech-Language Pathologist | Austin, TX | 2011 |
| Jack Leoni | 1588507362 | Student in an Organized Health Care Education/Training Program | Lafayette, LA | 2026 |
| James Leoni, M.D. | 1205936861 | Family Medicine Physician | Petaluma, CA | 2006 |
| James Leoni, M.D. | 1821394644 | Pediatric Emergency Medicine (Emergency Medicine) Physician | Madera, CA | 2011 |
| Jeffrey Leoni, PSY.D. | 1760499297 | Clinical Psychologist | Wyomissing, PA | 2006 |
| Jerome Leoni | 1932734613 | Registered Nurse | Houston, TX | 2020 |
| Joseph Leoni, M.D. | 1154320224 | Urology Physician | Wyomissing, PA | 2005 |
| Joseph Leoni, CRNA | 1669163655 | Certified Registered Nurse Anesthetist | Wilmington, NC | 2023 |
| Julie Leoni | 1225989437 | Assistant Behavior Analyst | Fayetteville, NC | 2026 |
| Katherine Leoni, PSY.D. | 1952675829 | Clinical Psychologist | San Francisco, CA | 2012 |
| Kim Leoni, M.S., L.P.C. | 1518113950 | Professional Counselor | Woodbridge, CT | 2008 |
| Kylie Leoni | 1285357590 | Marriage & Family Therapist | Sacramento, CA | 2022 |
| Lauren Leoni | 1487174728 | Counselor | Jackson, WY | 2017 |
| Marissa Leoni, DPT, PT | 1902454259 | Physical Therapist | Malden, MA | 2019 |
| Melissa Leoni, OD | 1184675746 | Optometrist | Barboursville, WV | 2006 |
| Michael Leoni, MD | 1578532735 | Family Medicine Physician | Lemoore, CA | 2006 |
| Miranda Leoni | 1154927275 | Speech-Language Pathologist | North Andover, MA | 2020 |
| Patrick Leoni, M.D. | 1477505238 | Anatomic Pathology & Clinical Pathology Physician | Shawnee Mission, KS | 2006 |
| Peter Leoni, M.D. | 1316907082 | Surgery Physician | Petaluma, CA | 2006 |
| Randal Leoni, DMD | 1821100256 | General Practice Dentistry | San Juan Capistrano, CA | 2006 |
| Raul Leoni, NP-C | 1851750939 | Family Nurse Practitioner | Melbourne, FL | 2016 |
| Reanna Leoni, DO | 1356185920 | Emergency Medical Services (Emergency Medicine) Physician | Orlando, FL | 2024 |
| Regina Leoni, M.D. | 1568573582 | Family Medicine Physician | Rancho Cucamonga, CA | 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).