Providers Amanda Lefevers to Rosalyn Leffall
300 individual NPIs in the federal registry, part 12,450 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. 90 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Amanda Lefevers | 1083150668 | Behavior Technician | Atlanta, GA | 2017 |
| Amy Lefevers | 1558813162 | Licensed Practical Nurse | Lockport, IL | 2016 |
| Brittany Lefevers, MD | 1073243135 | Family Medicine Physician | Sedalia, MO | 2022 |
| Hailey Lefevers | 1306684246 | Counselor | Morristown, TN | 2024 |
| Jacqueline Lefevers | 1689177149 | Case Manager/Care Coordinator | Corbin, KY | 2018 |
| Jill Lefevers | 1154805133 | Mental Health Counselor | Corbin, KY | 2018 |
| Jonathan Lefevers | 1639056435 | Behavior Technician | Sedalia, MO | 2025 |
| Jordan Lefevers, DNP, FNP-C | 1114432150 | Nurse Practitioner | Joplin, MO | 2017 |
| Judy Lefevers | 1154460053 | Nurse Practitioner | Pineville, KY | 2007 |
| Kacey Lefevers, PHARMACIST | 1396628194 | Pharmacist | Cherokee, NC | 2025 |
| Kathryn Lefevers, DMD | 1629105077 | Dentist | Pineville, KY | 2007 |
| Mary Lefevers, CRNA | 1700013307 | Certified Registered Nurse Anesthetist | Charlotte, NC | 2009 |
| Melissa Lefevers, BS | 1467590745 | Counselor | Johnson City, TN | 2007 |
| Sandra Lefevers, PT | 1801949052 | Physical Therapist | Dallas, TX | 2007 |
| Sierra Lefevers, RBT | 1295573202 | Behavior Technician | Louisville, KY | 2024 |
| Skylar Lefevers | 1912731480 | Behavior Technician | West Chicago, IL | 2024 |
| Sophia Lefevers | 1396434494 | Speech-Language Pathologist | Louisville, KY | 2023 |
| Stephenie Lefevers | 1154875680 | Massage Therapist | Forney, TX | 2016 |
| Victoria Lefevers, OTD | 1386370112 | Occupational Therapist | Doral, FL | 2022 |
| Jodi Lefevers-Carroll, LCSW | 1861619843 | Clinical Social Worker | Corbin, KY | 2007 |
| Coleman Lefevor, DPT | 1598227993 | Physical Therapist | Gilbert, AZ | 2019 |
| Gary Lefevor, PHD | 1477091650 | Counseling Psychologist | Logan, UT | 2017 |
| Amber Lefevour, LMFT | 1518255587 | Marriage & Family Therapist | Wilmette, IL | 2011 |
| Anthony Lefevour, M.A. | 1356542781 | Mental Health Counselor | Longview, WA | 2007 |
| Judy Lefevour, LCPC | 1053484881 | Professional Counselor | Arlington Hts, IL | 2006 |
| Sheila Lefevra | 1548626740 | Occupational Therapy Assistant | Fort Wayne, IN | 2016 |
| Alyssa Lefevre | 1598304966 | Behavior Technician | Whittier, CA | 2020 |
| Amanda Lefevre | 1346863149 | Behavior Technician | Derwood, MD | 2020 |
| Amy Lefevre | 1881967057 | Mental Health Counselor | Colorado Springs, CO | 2012 |
| Andrew Lefevre, CRNA | 1669796496 | Certified Registered Nurse Anesthetist | Houma, LA | 2010 |
| Ann Lefevre, PHD LCSW | 1982807640 | Clinical Social Worker | Aurora, CO | 2007 |
| Ashley Lefevre, MD | 1508152166 | Anesthesiology Physician | Atlanta, GA | 2011 |
| Ashlyn Lefevre | 1205447620 | Behavior Technician | Taylorsville, UT | 2020 |
| Benjamin Lefevre, LAT, ATC | 1164937256 | Athletic Trainer | Brockton, MA | 2017 |
| Brooke Lefevre, LMSW | 1952978983 | Clinical Social Worker | Troy, MI | 2021 |
| Caitlin Lefevre, MS, ATC, OTC | 1952817413 | Sports Medicine (Orthopaedic Surgery) Physician | Toledo, OH | 2017 |
| Candice Lefevre, MBA, AT, ATC | 1700304359 | Athletic Trainer | Chillicothe, OH | 2017 |
| Cassandra Lefevre | 1790196475 | Pediatrics Physician | Temple, TX | 2014 |
| Caylin Lefevre | 1003446600 | Community Health Worker | Provo, UT | 2020 |
| Cecily Lefevre, PH.D. | 1588691885 | Audiologist | Chico, CA | 2006 |
| Cherie Lefevre, M.D. | 1205867728 | Obstetrics & Gynecology Physician | Saint Louis, MO | 2006 |
| Cherie Lefevre, OTR/L | 1215866652 | Occupational Therapist | Torrance, CA | 2026 |
| Cheryl Lefevre, M.ED., LPC | 1730256108 | Professional Counselor | Grand Jct, CO | 2006 |
| Christian Lefevre, M.D. | 1740363845 | Internal Medicine Physician | Washington, DC | 2006 |
| Claire Lefevre, ARNP | 1689829426 | Family Nurse Practitioner | Tampa, FL | 2008 |
| Clinton Lefevre, M.D. | 1588834634 | Psychiatry Physician | Pismo Beach, CA | 2008 |
| Cluny Lefevre, DO | 1477505147 | Family Medicine Physician | New York, NY | 2006 |
| Courtney Lefevre | 1124553730 | Physical Therapy Assistant | Augusta, GA | 2017 |
| Craig Lefevre | 1467910851 | Student in an Organized Health Care Education/Training Program | Southgate, MI | 2019 |
| Cynthia Lefevre, FNP-C | 1215892831 | Nurse Practitioner | Lena, IL | 2025 |
| Danielle Lefevre | 1043728744 | Mental Health Counselor | Pittsburgh, PA | 2018 |
| Danielle Lefevre | 1255184560 | Physical Therapy Assistant | Dover, PA | 2024 |
| Danielle Lefevre | 1538901707 | Marriage & Family Therapist | San Francisco, CA | 2024 |
| Danielle Lefevre, OD | 1821525973 | Optometrist | Dewitt, MI | 2017 |
| Darcy Lefevre, COTA | 1487960472 | Occupational Therapy Assistant | Highland, NY | 2010 |
| Dardlie Lefevre | 1689476293 | Behavior Technician | Columbia, MD | 2025 |
| Deborah Lefevre, LMFT | 1659445138 | Marriage & Family Therapist | Yorba Linda, CA | 2006 |
| Delayne Lefevre, DDS | 1346367166 | Dentist | Noblesville, IN | 2007 |
| Derenda Lefevre | 1780244160 | Recreation Therapist | Oxford, MI | 2019 |
| Donald Lefevre, D.O. | 1841589710 | Hospitalist Physician | Glendale, AZ | 2011 |
| Donna Lefevre, CRNP | 1326215187 | Adult Health Nurse Practitioner | King Of Prussia, PA | 2008 |
| Drake Lefevre, DC | 1437968831 | Chiropractor | Maple Grove, MN | 2025 |
| Elizabeth Lefevre | 1336553809 | Registered Dietitian | Meridian, ID | 2014 |
| Emily Lefevre, PA-C | 1881455020 | Dermatology Physician | Fort Gratiot, MI | 2024 |
| Emnine Lefevre, LCSW | 1538726526 | Clinical Social Worker | Middletown, NY | 2019 |
| Enrique Lefevre, MD | 1588760763 | Nephrology Physician | Mayaguez, PR | 2006 |
| Eric Lefevre, LICSW | 1730584624 | Clinical Social Worker | Boston, MA | 2014 |
| Felix Lefevre, MA, LPC, NCC | 1205200813 | Professional Counselor | Denver, CO | 2015 |
| Forest Lefevre | 1316442221 | Emergency Medicine Physician | Lexington, KY | 2018 |
| Frank Lefevre, MD | 1841208212 | Hospitalist Physician | Miami, FL | 2006 |
| Frederick Lefevre, CRCC | 1336359603 | Counselor | Oakland, CA | 2007 |
| George Lefevre, MD | 1649381252 | Sports Medicine (Neuromusculoskeletal Medicine) Physician | San Diego, CA | 2006 |
| Hannah Lefevre, SLP-CCC | 1629858873 | Speech-Language Pathologist | Johnstown, NY | 2023 |
| Heather Lefevre, CPNP | 1386386928 | Pediatric Nurse Practitioner | Adrian, MI | 2022 |
| Heather Lefevre, LMT | 1851994636 | Massage Therapist | Portland, OR | 2020 |
| Holly Lefevre, MSSA, LSW | 1023329596 | Clinical Social Worker | Dayton, OH | 2010 |
| James Lefevre, O.D. | 1588628697 | Optometrist | Watertown, CT | 2006 |
| Janeen Lefevre, LPC, LCPC, NCSC, NCC | 1922352848 | Professional Counselor | New Orleans, LA | 2012 |
| Jean Lefevre, CRNA | 1922246248 | Certified Registered Nurse Anesthetist | Flushing, NY | 2009 |
| Jean Lefevre, RPH | 1922362805 | Pharmacotherapy Pharmacist | Tampa, FL | 2012 |
| Jeff Lefevre, RSW | 1013447531 | Case Manager/Care Coordinator | Hammond, LA | 2017 |
| Jessica Lefevre, MS, LPC | 1497054928 | Professional Counselor | Milwaukee, WI | 2011 |
| John Lefevre, LPCA | 1073399838 | Mental Health Counselor | Glastonbury, CT | 2023 |
| John Lefevre, DDS | 1104984723 | Dentist | Clyde, NY | 2006 |
| John Lefevre, D.C. | 1477554376 | Chiropractor | Bloomsburg, PA | 2005 |
| Joseph Lefevre, MFT | 1376755892 | Marriage & Family Therapist | Campbell, CA | 2007 |
| Kaitlin Lefevre, PT, DPT, CSCS | 1184456527 | Physical Therapist | Forest, VA | 2024 |
| Kara Lefevre, MD | 1164620670 | Dermatopathology Physician | Columbia, MO | 2007 |
| Karlee Lefevre | 1235957770 | Behavior Technician | Richfield, UT | 2024 |
| Karren Lefevre, NNP | 1013082700 | Critical Care Neonatal Nurse Practitioner | Tucson, AZ | 2006 |
| Kathleen Lefevre, NP | 1225011752 | Family Nurse Practitioner | Oakland, CA | 2005 |
| Kayce Lefevre, AG-PCNP | 1629436324 | Gerontology Nurse Practitioner | Charlottesville, VA | 2016 |
| Kayla Lefevre | 1699376293 | Speech-Language Assistant | Mesa, AZ | 2020 |
| Kimberly Lefevre, O.D. | 1861427080 | Optometrist | Manchester, CT | 2006 |
| Kristin Lefevre, LCSW, LAC | 1588035216 | Clinical Social Worker | Denver, CO | 2015 |
| Kyle Lefevre, PA-C | 1982315958 | Physician Assistant | Henderson, NV | 2022 |
| Larry Lefevre, MD | 1225005622 | Internal Medicine Physician | Urbana, OH | 2006 |
| Laura Hall Lefevre, NC LMBT | 1164963286 | Massage Therapist | Asheville, NC | 2017 |
| Lauren Lefevre | 1366188583 | Behavior Technician | Livonia, MI | 2022 |
| Laurent Lefevre, LPC | 1265070718 | Professional Counselor | Little Rock, AR | 2019 |
| Lesley Lefevre, PSY.D | 1770798837 | Clinical Psychologist | Centennial, CO | 2007 |
| Leslie Lefevre, P.C., N.C.C. | 1013278266 | Professional Counselor | Toledo, OH | 2012 |
| Lindsay Lefevre, FNP-C | 1114628740 | Family Nurse Practitioner | Monterey, CA | 2023 |
| Lionel Lefevre, M.D. | 1447335450 | Internal Medicine Physician | Brooklyn, NY | 2006 |
| London Lefevre, NP-C | 1750848792 | Nurse Practitioner | Bridgeport, WV | 2019 |
| Lura Lefevre, EDM | 1669845384 | Mental Health Counselor | Kent, WA | 2015 |
| Madison Lefevre, CRNA | 1760174932 | Certified Registered Nurse Anesthetist | Saginaw, MI | 2023 |
| Marie Edith Lefevre, MD | 1720190051 | Pediatrics Physician | Brooklyn, NY | 2006 |
| Marirose Lefevre, ATC | 1437974680 | Athletic Trainer | Saginaw, MI | 2024 |
| Mary Lefevre, RN | 1386259299 | Psychiatric/Mental Health Registered Nurse | New York, NY | 2020 |
| Mary Lefevre, LMFT | 1700279411 | Marriage & Family Therapist | Burlingame, CA | 2015 |
| Mary Ellen Lefevre | 1003603747 | Specialist | Oswego, NY | 2025 |
| Matthew Lefevre | 1871094664 | Physical Therapist | Grand Rapids, MI | 2018 |
| Matthew Lefevre | 1922315969 | Physician Assistant | Baraga, MI | 2010 |
| Maureen Lefevre, CRNP | 1114061306 | Nurse Practitioner | Ambler, PA | 2007 |
| Meahgan Lefevre, NP | 1043739055 | Family Nurse Practitioner | Liverpool, NY | 2017 |
| Medard Lefevre, MD | 1447214846 | Internal Medicine Physician | Charleston, WV | 2006 |
| Megan Lefevre | 1417702663 | Student in an Organized Health Care Education/Training Program | Chapel Hill, NC | 2024 |
| Melanie Lefevre, LMP | 1295042380 | Specialist | Redmond, WA | 2010 |
| Melissa Lefevre, RN | 1346768512 | Home Health Registered Nurse | Randolph, MA | 2017 |
| Melissa Lefevre, APRN-CNP | 1619447430 | Family Nurse Practitioner | Alamogordo, NM | 2018 |
| Meredith Lefevre, OTR | 1174648794 | Occupational Therapist | Mesa, AZ | 2007 |
| Micha Lefevre | 1154034718 | Behavior Technician | Monrovia, CA | 2022 |
| Michael Lefevre, MA, LPC | 1639417678 | Mental Health Counselor | Boulder, CO | 2013 |
| Michael Lefevre, MD | 1962460055 | Family Medicine Physician | Columbia, MO | 2006 |
| Morsan Lefevre, RPH. | 1992495808 | Pharmacist | Meeker, CO | 2023 |
| Narine Lefevre, MD | 1679326391 | Student in an Organized Health Care Education/Training Program | Washington, DC | 2024 |
| Nicholas Lefevre, M.D. | 1003255845 | Family Medicine Physician | Columbia, MO | 2013 |
| Nicholas Lefevre, DO | 1730749599 | Anesthesiology Physician | Lititz, PA | 2019 |
| Patricia Lefevre | 1245513001 | School Registered Nurse | Ravena, NY | 2011 |
| Patricia Lefevre | 1407791973 | Behavior Technician | Roy, UT | 2026 |
| Patrick Lefevre, MD | 1225788078 | Anesthesiology Physician | Chicago, IL | 2022 |
| Paul Lefevre, BA LBSW | 1528156239 | Social Worker | Westland, MI | 2006 |
| Peter Lefevre, MD | 1811908056 | Internal Medicine Physician | Los Angeles, CA | 2006 |
| Rachel Lefevre, MSW, LCSW | 1568675999 | Clinical Social Worker | Jefferson, LA | 2007 |
| Rachelle Lefevre | 1093434052 | Occupational Therapist | Tampa, FL | 2022 |
| Rachelle Lefevre | 1467199471 | Speech-Language Pathologist | Lexington, KY | 2022 |
| Riley Lefevre, BT | 1386503514 | Behavior Technician | Trenton, MI | 2026 |
| Robert Lefevre, MD | 1053461871 | Pain Medicine Physician | Modesto, CA | 2007 |
| Robert Lefevre, M.D. | 1902849946 | Internal Medicine Physician | Kalamazoo, MI | 2006 |
| Roger Lefevre, M.D. | 1760690358 | Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician | Boston, MA | 2007 |
| Ronald Lefevre, BCBA | 1174982110 | Behavior Analyst | Katy, TX | 2016 |
| Ryan Lefevre, M.D. | 1740690221 | Anesthesiology Physician | Nashville, TN | 2014 |
| Sarah Lefevre, RN | 1518123454 | Registered Nurse | Sunbury, OH | 2008 |
| Sarah Lefevre | 1821563875 | Behavior Analyst | West Seneca, NY | 2018 |
| Seth Lefevre, PHARMD | 1770092512 | Pharmacist | Spanish Fork, UT | 2017 |
| Sheila Lefevre, M.D. | 1861437170 | Anesthesiology Physician | Brockton, MA | 2006 |
| Sophie Lefevre, CTRS, BCBA | 1275917841 | Recreation Therapist | Ypsilanti, MI | 2015 |
| Stella Lefevre | 1023265766 | Clinical Psychologist | San Francisco, CA | 2008 |
| Suzanne Lefevre, MD | 1952324873 | Pediatrics Physician | New Orleans, LA | 2006 |
| Tanya Lefevre, RN | 1952116725 | School Registered Nurse | Tumwater, WA | 2025 |
| Tracy Lefevre | 1902163876 | Physical Therapy Assistant | Butler, PA | 2012 |
| Victoria Lefevre | 1689445892 | Case Manager/Care Coordinator | Brooklyn, NY | 2024 |
| Virginia Lefevre, CRNA | 1922139971 | Certified Registered Nurse Anesthetist | Slidell, LA | 2007 |
| Whitney Lefevre, MD | 1902245731 | Family Medicine Physician | Columbia, MO | 2013 |
| Wisly Lefevre, RT | 1477809341 | General Care Certified Respiratory Therapist | Miami, FL | 2012 |
| Zachary Lefevre, RBT | 1336831544 | Behavior Technician | Brigham City, UT | 2023 |
| Zoe Lefevre | 1891369872 | Behavior Technician | Abilene, TX | 2021 |
| Evan Lefevre,, D.C., P.C. | 1386725190 | Chiropractor | Logan, UT | 2006 |
| Alexis Lefevre-Casby, CNP | 1346724077 | Psychiatric/Mental Health Nurse Practitioner | Grove City, OH | 2018 |
| Ashley Lefevre-Casby, B.A | 1750887964 | Case Manager/Care Coordinator | Columbus, OH | 2018 |
| Kelly Lefevre-Smith | 1619214970 | School Psychologist | Peekskill, NY | 2013 |
| Emily Lefew | 1467832766 | Mental Health Counselor | Itasca, IL | 2015 |
| Hope Lefew, IBCLC, RN | 1780543884 | Lactation Consultant (Registered Nurse) | Roanoke, VA | 2026 |
| Samuel Lefew | 1366298242 | Student in an Organized Health Care Education/Training Program | Chicago, IL | 2024 |
| Abigail Leff, LMSW | 1659091999 | Social Worker | Austin, TX | 2022 |
| Abigail Leff | 1790620441 | Student in an Organized Health Care Education/Training Program | Pomona, CA | 2026 |
| Alan Leff, MD | 1023170578 | Pulmonary Disease Physician | Burr Ridge, IL | 2006 |
| Alan Leff, M.D | 1215978440 | Pain Medicine (Anesthesiology) Physician | New York, NY | 2006 |
| Alexandra Leff, M.A. MT-BC | 1700318425 | Mental Health Counselor | New York, NY | 2017 |
| Alison Leff, DO | 1568499473 | Internal Medicine Physician | Wynnewood, PA | 2006 |
| Alison Leff | 1801188784 | Social Worker | Long Beach, CA | 2011 |
| Allison Leff, M.A, CCC-SLP | 1477811644 | Speech-Language Pathologist | Newtown, PA | 2012 |
| Andrea Leff | 1134876550 | Military Health Care Provider | Norfolk, VA | 2022 |
| Anna Leff, BCABA LABA | 1790495703 | Assistant Behavior Analyst | Reno, NV | 2022 |
| Arnita Leff, LSW | 1538404843 | Clinical Social Worker | Beachwood, OH | 2012 |
| Arnold Leff, MD | 1326004730 | Family Medicine Physician | San Jose, CA | 2006 |
| Avigayl Leff, LCSW | 1649581273 | Social Worker | Highland Park, NJ | 2010 |
| Barbara Leff, LCSW | 1417098476 | Clinical Social Worker | New York, NY | 2007 |
| Bari Leff | 1477490290 | Student in an Organized Health Care Education/Training Program | Manalapan, NJ | 2026 |
| Ben Leff, MD | 1699766303 | Otolaryngology Physician | Phoenix, AZ | 2005 |
| Bernard Leff, M.D. | 1316210438 | Otolaryngology Physician | Pittsburgh, PA | 2012 |
| Branden Leff | 1396574703 | Physical Therapist | Louisville, KY | 2024 |
| Bruce Leff, M.D. | 1164466157 | Geriatric Medicine (Internal Medicine) Physician | Baltimore, MD | 2006 |
| Bryndie Leff | 1376165522 | Behavior Technician | Taylorsville, UT | 2020 |
| Carolyn Leff, MD | 1851315832 | Cardiovascular Disease Physician | New York, NY | 2006 |
| Carrie Leff, DO | 1902819295 | Internal Medicine Physician | Farmington Hills, MI | 2006 |
| Cathryn Leff, LMFT | 1992817621 | Marriage & Family Therapist | Temecula, CA | 2006 |
| Charles Leff, M.D. | 1700833092 | Specialist | Plainfield, NJ | 2006 |
| Chelsea Leff, LCSW | 1164082830 | Clinical Social Worker | San Francisco, CA | 2019 |
| Cody Leff, PHARMD | 1275788085 | Pharmacist | Ogema, MN | 2008 |
| Daniel Leff | 1053120048 | Clinical Social Worker | Leavenworth, KS | 2025 |
| Daniel Leff, DDS | 1093769895 | General Practice Dentistry | Brooklyn, NY | 2006 |
| David Leff, D.O. | 1376571802 | Anesthesiology Physician | Albany, NY | 2006 |
| David Leff, DO | 1619956505 | Gastroenterology Physician | Mesa, AZ | 2006 |
| David Leff, MD | 1801814835 | Urology Physician | Santa Monica, CA | 2006 |
| Deborah Leff, L.P.C. | 1356697866 | Professional Counselor | Morganville, NJ | 2012 |
| Dena Leff, LCSW | 1053615161 | Clinical Social Worker | Far Rockaway, NY | 2011 |
| Dina Leff | 1659135226 | Clinical Social Worker | Rosedale, NY | 2024 |
| Dustyn Leff | 1124873740 | Student in an Organized Health Care Education/Training Program | Saint Cloud, MN | 2024 |
| Edmund Leff, M.D. | 1144212648 | Colon & Rectal Surgery Physician | Scottsdale, AZ | 2005 |
| Emily Leff, M.D. | 1598777401 | Specialist | Sacramento, CA | 2006 |
| Eric Leff, LICSW | 1902900483 | Clinical Social Worker | Burlington, VT | 2006 |
| Fred Leff, D.P.M. | 1528091378 | Podiatrist | Southfield, MI | 2006 |
| Gary Leff, DDS | 1538259932 | Dentist | Falls Church, VA | 2006 |
| Gretchen Leff, MSPT | 1093831182 | Physical Therapist | Santa Clara, CA | 2007 |
| Grethel Leff, ASW | 1851692842 | Clinical Social Worker | Pleasanton, CA | 2010 |
| Helen Leff, LCSW | 1487288866 | Clinical Social Worker | Purchase, NY | 2020 |
| Jack Leff, DDS | 1588746689 | Dentist | Plantation, FL | 2006 |
| Jacqueline Leff, DO | 1699528992 | Student in an Organized Health Care Education/Training Program | Brooklyn, NY | 2024 |
| James Leff, P.T. | 1700042926 | Physical Therapist | Newark, NY | 2008 |
| Jamie Leff, MSRD | 1013195585 | Registered Dietitian | Newbury Park, CA | 2008 |
| Jenna Leff | 1972181253 | Student in an Organized Health Care Education/Training Program | San Rafael, CA | 2021 |
| Jennifer Leff, LCSW | 1457473324 | Clinical Social Worker | New York, NY | 2007 |
| Jerod Leff, D.D.S. | 1023451192 | Student in an Organized Health Care Education/Training Program | Amherst, NY | 2013 |
| Jerome Leff, D.P.M. | 1487781589 | Primary Podiatric Medicine Podiatrist | Bronx, NY | 2007 |
| Jessica Leff | 1083506786 | Behavior Technician | Sunrise, FL | 2025 |
| Jessica Leff, M.S., CCC-SLP | 1700373834 | Speech-Language Pathologist | Glenview, IL | 2018 |
| Joel Leff, M.D. | 1952478919 | Psychiatry Physician | Palos Heights, IL | 2006 |
| John Leff, M D | 1396744140 | Surgery Physician | Columbus, OH | 2005 |
| John Leff, MD | 1689693327 | Endocrinology, Diabetes & Metabolism Physician | Brooklyn, NY | 2006 |
| Jonathan Leff, M.D. | 1538407721 | Research Study Specialist | Menlo Park, CA | 2013 |
| Jonathan Leff, MD | 1881779270 | Anesthesiology Physician | Bronx, NY | 2006 |
| Jordan Leff, MD | 1255312120 | Pediatrics Physician | North Easton, MA | 2005 |
| Katherine Leff, LCSW | 1417969379 | Clinical Social Worker | Loma Linda, CA | 2006 |
| Kelsey Leff, OTR/L | 1073458303 | Occupational Therapist | Esko, MN | 2026 |
| Kelsey Leff, RPH, PHARMD, BSPS | 1265226351 | Pharmacist | Joliet, IL | 2025 |
| Kim Leff, LCSW | 1508161092 | Clinical Social Worker | Fairbanks, AK | 2011 |
| Kirsten Leff, MD | 1205052594 | Anesthesiology Physician | Hiawatha, IA | 2007 |
| Laurence Leff, CADC II | 1538359807 | Addiction (Substance Use Disorder) Counselor | Saint Helens, OR | 2007 |
| Laurence Leff, D.M.D. | 1750645057 | Endodontics | Montclair, NJ | 2012 |
| Leonard Leff, D.M.D. | 1134243041 | Dentist | West Orange, NJ | 2007 |
| Leslie Leff, MSS, LCSW | 1992173074 | Social Worker | Northampton, MA | 2015 |
| Lital Leff, PHARM.D. | 1790019966 | Pharmacist | Long Beach, NY | 2009 |
| Lori Leff, LCMHC | 1013728237 | Mental Health Counselor | Hardwick, VT | 2025 |
| Lori Leff, RPH | 1669659504 | Pharmacist | Highland Park, NJ | 2008 |
| Louis Leff | 1962505537 | Internal Medicine Physician | Pittsburgh, PA | 2006 |
| Madelyn Leff | 1760275010 | Behavior Technician | Torrance, CA | 2025 |
| Marion Leff, M.D. | 1871689455 | Family Medicine Physician | Sacramento, CA | 2006 |
| Marissa Leff | 1699369827 | Occupational Therapist | Glen Ellyn, IL | 2021 |
| Mary Leff, M.S. | 1053434902 | Marriage & Family Therapist | Berkeley, CA | 2007 |
| Mary Leff, MD | 1902645922 | Pediatrics Physician | Philadelphia, PA | 2024 |
| Meixuan Leff, MA, MSN, LPC, PMHNP | 1023415965 | Psychiatric/Mental Health Nurse Practitioner | Denver, CO | 2014 |
| Merrianne Leff, LCSW LISW | 1023073244 | Social Worker | Greensboro, NC | 2006 |
| Meryl Leff, LCSW, CASAC, BCD | 1689767592 | Addiction (Substance Use Disorder) Counselor | Babylon, NY | 2006 |
| Michael Leff, MD | 1013585215 | Physical Medicine & Rehabilitation Physician | Cherry Hill, NJ | 2021 |
| Michael Leff, M.D. | 1487749651 | Specialist | Bellevue, WA | 2006 |
| Michael Leff, DC | 1578995650 | Chiropractor | Scottsdale, AZ | 2013 |
| Michael Leff | 1912544719 | Optician | Newark, NJ | 2019 |
| Michelle Leff, MD | 1053334292 | Pediatrics Physician | San Diego, CA | 2006 |
| Michelle Leff, M.D. | 1710928569 | Psychiatry Physician | Baltimore, MD | 2006 |
| Monica Leff, MD | 1962476028 | Obstetrics & Gynecology Physician | Long Beach, CA | 2006 |
| Morgan Leff | 1225842925 | Student in an Organized Health Care Education/Training Program | Philadelphia, PA | 2025 |
| Nancy Leff, LCSW | 1124073499 | Social Worker | Madison, WI | 2006 |
| Pascala Leff, PA | 1821138744 | Physician Assistant | Bronx, NY | 2007 |
| Peter Leff, M.D. | 1669426508 | Surgery Physician | Meriden, CT | 2006 |
| Peter Leff, M.D. | 1740510072 | Gastroenterology Physician | Hilton Head Island, SC | 2010 |
| Phillip Leff | 1851033989 | Student in an Organized Health Care Education/Training Program | Phoenix, AZ | 2022 |
| Randy Leff, D.P.M. | 1669497327 | Podiatrist | Southfield, MI | 2006 |
| Rebecca Leff | 1972180883 | Emergency Medicine Physician | Washington, DC | 2021 |
| Richard Leff, M.D. | 1356479190 | Hematology & Oncology Physician | Atlanta, GA | 2007 |
| Richard Leff, MD | 1568487536 | Urology Physician | Tarzana, CA | 2006 |
| Richard Leff, M.D. | 1639374820 | Rheumatology Physician | Chadds Ford, PA | 2007 |
| Richard Leff, MD | 1679550057 | Cardiovascular Disease Physician | Las Vegas, NV | 2005 |
| Ricky Leff, MD | 1558380642 | Obstetrics & Gynecology Physician | Port Charlotte, FL | 2006 |
| Robert Leff, M.D. | 1063460442 | Internal Medicine Physician | Tucson, AZ | 2006 |
| Robert Leff, D.M.D., P.C. | 1407813280 | Orthodontics and Dentofacial Orthopedics Dentistry | Springfield, MA | 2006 |
| Robert Leff | 1497789903 | Rheumatology Physician | Duluth, MN | 2006 |
| Roberta Leff, EDD | 1780016345 | Mental Health Counselor | New York, NY | 2013 |
| Samantha Leff, M.ED | 1134292071 | Mental Health Counselor | Springfield, MA | 2006 |
| Sanford Leff, MD | 1841224318 | Cardiovascular Disease Physician | Brooklyn, NY | 2006 |
| Sharyn Leff, LCSW | 1477607059 | Clinical Social Worker | New York, NY | 2007 |
| Sheryl Leff, M.D. | 1346355708 | Diagnostic Radiology Physician | Morristown, NJ | 2006 |
| Shira Leff, OTR/L | 1841587722 | Pediatric Occupational Therapist | Baltimore, MD | 2011 |
| Stanley Leff, MD | 1699861492 | Family Medicine Physician | Roseville, CA | 2006 |
| Stephen Leff, PH.D. | 1124110291 | Clinical Psychologist | Philadelphia, PA | 2006 |
| Stephen Leff, MD | 1366434698 | Ophthalmology Physician | Decatur, GA | 2005 |
| Steven Leff, MD | 1073586871 | Ophthalmology Physician | Lakewood, NJ | 2006 |
| Steven Leff, M.D. | 1184651739 | Ophthalmology Physician | Atlanta, GA | 2006 |
| Stuart Leff, D.O. | 1124000476 | Internal Medicine Physician | Roselle Park, NJ | 2005 |
| Stuart Leff, DPM | 1811073653 | Podiatrist | Sterling Heights, MI | 2006 |
| Tracey Leff, APN | 1750623443 | Adult Health Nurse Practitioner | Nashville, TN | 2013 |
| Valerie Leff, OD | 1821659319 | Optometrist | Omaha, NE | 2019 |
| Vicky Leff, DO | 1548259369 | Pediatrics Physician | Charlotte, NC | 2005 |
| Victoria Leff, MSW | 1164654786 | Clinical Social Worker | Cary, NC | 2009 |
| Victoria Leff | 1447432042 | Clinical Social Worker | Berkeley, CA | 2007 |
| William Leff, DC | 1265536593 | Chiropractor | El Paso, TX | 2006 |
| Gayle Leff Goldstein, MD | 1093707325 | Ophthalmology Physician | Decatur, GA | 2005 |
| Amia Leffall, NONE | 1184354821 | Behavior Technician | Gardena, CA | 2022 |
| Britney Leffall, AGACNP-BC | 1467910455 | Acute Care Nurse Practitioner | Houston, TX | 2019 |
| Gloria Leffall | 1669617361 | Adult Companion | Portland, OR | 2008 |
| Hasani Leffall | 1356920870 | Behavior Analyst | Pasadena, CA | 2021 |
| Jacques Leffall | 1902122914 | Addiction (Substance Use Disorder) Counselor | Fresno, CA | 2010 |
| Kimberly Leffall | 1356707749 | Case Manager/Care Coordinator | Knoxville, TN | 2016 |
| Lynnette Leffall, DO | 1467072421 | Pediatrics Physician | Mansfield, TX | 2020 |
| Martia Leffall, DDS | 1144399460 | General Practice Dentistry | Dallas, TX | 2006 |
| Michelle Leffall, OTR | 1487780128 | Occupational Therapist | Atlanta, GA | 2007 |
| Nanette Leffall | 1447968896 | Professional Counselor | Las Vegas, NV | 2022 |
| Para Leffall | 1457423048 | Family Nurse Practitioner | Atlanta, GA | 2006 |
| Rosalyn Leffall | 1164293049 | Behavior Technician | Los Angeles, CA | 2024 |
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).