Providers Dena Marcus, DDS to Meredith Marcus, M.S., CCC-SLP
300 individual NPIs in the federal registry, part 13,528 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. 106 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Dena Marcus, DDS | 1316145147 | Dentist | Sonoma, CA | 2007 |
| Dennis Marcus, M.D. | 1851376776 | Ophthalmology Physician | Augusta, GA | 2005 |
| Dmitri Marcus | 1851047732 | Behavior Technician | Irwin, PA | 2022 |
| Dmyra Marcus | 1821842097 | Behavior Technician | Pittsburgh, PA | 2024 |
| Dominic Marcus, DO | 1710681986 | Pediatric Hematology & Oncology Physician | Milwaukee, WI | 2023 |
| Dominique Marcus, LCSW | 1346836061 | Clinical Social Worker | Atlanta, GA | 2020 |
| Donald Marcus, M.D. | 1003880071 | Infectious Disease Physician | Southampton, PA | 2006 |
| Donald Marcus, MD | 1518038546 | Anesthesiology Physician | Los Angeles, CA | 2006 |
| Eduardo Marcus, PA | 1962564708 | Physician Assistant | Salinas, CA | 2006 |
| Edward Marcus, D.D.S. | 1417001082 | Periodontics | Yardley, PA | 2007 |
| Edward Marcus, D.D.S. | 1730122920 | Dentist | Indianapolis, IN | 2006 |
| Edward Marcus, M.D. | 1841451937 | Ophthalmology Physician | New York, NY | 2008 |
| Eileen Marcus | 1437872074 | Specialist | Bronx, NY | 2022 |
| Elaine Marcus, MD | 1750475356 | Family Medicine Physician | Portland, OR | 2006 |
| Elaine Marcus | 1780948877 | Specialist | Wantagh, NY | 2012 |
| Elana Marcus, LCSW | 1659648475 | Clinical Social Worker | Philadelphia, PA | 2011 |
| Elana Marcus, M.S., CCC-SLP | 1841963089 | Speech-Language Pathologist | Frisco, TX | 2021 |
| Elisabeth Marcus, LMP | 1447499421 | Massage Therapist | Seattle, WA | 2009 |
| Elisabeth Marcus | 1881201622 | Social Worker | Bay Pines, FL | 2020 |
| Eliza Marcus, M.ED, LMHC | 1396882478 | Mental Health Counselor | Lake Grove, NY | 2007 |
| Elizabeth Marcus, MD | 1215114962 | Pediatrics Physician | Los Angeles, CA | 2008 |
| Elizabeth Marcus, MD | 1457464638 | Surgery Physician | Chicago, IL | 2006 |
| Elizabeth Marcus | 1679117626 | Pharmacist | Jackson Heights, NY | 2019 |
| Elizabeth Marcus, LCSWA | 1689402869 | Addiction (Substance Use Disorder) Counselor | Fayetteville, NC | 2024 |
| Ellen Marcus, MA, CCC/SLP, DMA | 1295985588 | Speech-Language Pathologist | Chapel Hill, NC | 2008 |
| Ellen Marcus | 1568887271 | Occupational Therapist | Houston, TX | 2014 |
| Ellen Marcus | 1659001972 | Obstetrics & Gynecology Physician | Pittsburgh, PA | 2022 |
| Ellen Marcus, MD | 1730147687 | Family Medicine Physician | Indianapolis, IN | 2006 |
| Elliot Marcus, MD | 1104881036 | Anesthesiology Physician | Albuquerque, NM | 2006 |
| Elliot Marcus, M.D. | 1235235847 | Internal Medicine Physician | Huntsville, AL | 2006 |
| Emery Marcus, MSN, NP-C | 1700234952 | Psychiatric/Mental Health Nurse Practitioner | Fall River, MA | 2016 |
| Emily Marcus, M.D. | 1184956773 | Internal Medicine Physician | Baltimore, MD | 2010 |
| Emily Marcus, MS, RD, CDN | 1679754121 | Registered Dietitian | New Hyde Park, NY | 2007 |
| Emily Marcus | 1760048219 | Social Worker | Old Bridge, NJ | 2019 |
| Emma Marcus, DNP, FNP-BC | 1689401820 | Nurse Practitioner | Fredericksburg, VA | 2024 |
| Emma Marcus, DO | 1952006124 | Family Medicine Physician | Santa Maria, CA | 2023 |
| Eric Marcus, M.D. | 1235362237 | Forensic Psychiatry Physician | San Diego, CA | 2009 |
| Eric Marcus, MD | 1801910773 | Psychiatry Physician | New York, NY | 2007 |
| Erica Marcus | 1114482643 | Occupational Therapist | Chapel Hill, NC | 2019 |
| Erin Marcus, LCSW | 1093605461 | Mental Health Counselor | Asheville, NC | 2025 |
| Erin Marcus, MD | 1578597977 | Internal Medicine Physician | Miami, FL | 2006 |
| Esho Marcus, DMD | 1396809455 | Dentist | Chicago, IL | 2006 |
| Esther Marcus, LCSW | 1730437104 | Clinical Social Worker | Brooklyn, NY | 2012 |
| Eugenia Marcus, MD | 1134199912 | Pediatrics Physician | Wellesley Hills, MA | 2006 |
| Eva Marcus | 1982993739 | Student in an Organized Health Care Education/Training Program | Stevenson, MD | 2011 |
| Evan Marcus, AP | 1669907952 | Acupuncturist | Beckley, WV | 2017 |
| Evan Marcus, MA | 1720520497 | Mental Health Counselor | Tucson, AZ | 2016 |
| Evan Marcus, SLPA | 1891683405 | Speech-Language Assistant | Manassas, VA | 2025 |
| Eve Marcus, LCSW | 1497985006 | Clinical Social Worker | Columbus, GA | 2009 |
| Faigy Marcus | 1578176541 | Specialist | Brooklyn, NY | 2020 |
| Faith Marcus | 1235918509 | Peer Specialist | Martinez, CA | 2023 |
| Florence Marcus, D.P.M. | 1447386743 | Podiatrist | Catonsville, MD | 2007 |
| Francine Marcus, M.D. | 1972608552 | Psychiatry Physician | Wyndmoor, PA | 2006 |
| Franklin Marcus, MD | 1225021314 | Anesthesiology Physician | Chico, CA | 2005 |
| Fred Marcus, D.O. | 1710123963 | Addiction Medicine (Family Medicine) Physician | Syosset, NY | 2008 |
| Gabriel Marcus | 1346037033 | Behavior Technician | Farmington Hills, MI | 2025 |
| Gabriela Marcus, ASW | 1750757647 | Social Worker | Inglewood, CA | 2015 |
| Gail Marcus, M.ED., CGC | 1033258793 | Genetic Counselor (M.S.) | Wilmington, NC | 2007 |
| Gail Marcus, LCSW | 1033261888 | Psychologist | Boulder, CO | 2007 |
| Galit Sharon Marcus, RN, FNP, MPH | 1124259262 | Family Nurse Practitioner | New York, NY | 2009 |
| Gary Marcus, M.D. | 1073526646 | Cardiovascular Disease Physician | San Pablo, CA | 2006 |
| Gary Marcus, PHD | 1124141007 | Psychologist | Kent, WA | 2007 |
| Gary Marcus, M.D. | 1912916453 | Specialist | Beaver, PA | 2006 |
| George Marcus, PA | 1558642934 | Physician Assistant | Navarre, FL | 2011 |
| George Marcus, M.D. | 1851377162 | Diagnostic Radiology Physician | Owatonna, MN | 2005 |
| Gerald Marcus | 1528184363 | Rehabilitation Practitioner | San Jose, CA | 2007 |
| Gerald Marcus, MFT | 1588771661 | Marriage & Family Therapist | Wilmington, DE | 2006 |
| Gillian Marcus, LMFT | 1528287208 | Marriage & Family Therapist | Los Angeles, CA | 2007 |
| Gina Marcus, DMD | 1952312415 | General Practice Dentistry | Coral Gables, FL | 2006 |
| Ginger Marcus, MSW, ACSW, LCSW | 1265517130 | Clinical Social Worker | Tucson, AZ | 2006 |
| Glenn Marcus, D.O. | 1568543791 | Internal Medicine Physician | Port Charlotte, FL | 2006 |
| Glenna Marcus, LM | 1255816039 | Midwife | Espanola, NM | 2018 |
| Gregory Marcus, MD | 1891720579 | Clinical Cardiac Electrophysiology Physician | San Francisco, CA | 2006 |
| Gwen Marcus, MD | 1760424816 | Neonatal-Perinatal Medicine Physician | Seattle, WA | 2006 |
| Gwendolyn Marcus | 1093279689 | Mental Health Counselor | Santa Barbara, CA | 2019 |
| Hailey Marcus, PA-C | 1104605542 | Pediatrics Physician | Philadelphia, PA | 2023 |
| Haley Marcus | 1225829609 | Optometrist | Culver City, CA | 2025 |
| Hannah Marcus | 1477153401 | Mental Health Counselor | Chicago, IL | 2020 |
| Harold Marcus, DDS | 1255346565 | Dentist | Phila, PA | 2006 |
| Hayley Marcus, MD | 1528487774 | Family Medicine Physician | Denver, CO | 2014 |
| Heather Marcus, CSW | 1760686190 | Clinical Social Worker | Louisville, KY | 2007 |
| Helen Marcus, DO | 1467752873 | Pediatrics Physician | Brooklyn, NY | 2010 |
| Helen Marcus | 1760030738 | Pharmacist | Orlando, FL | 2019 |
| Hillary Marcus, M.D. | 1891892352 | Internal Medicine Physician | Lower Gwynedd, PA | 2006 |
| Howard Marcus, MD | 1255347514 | Internal Medicine Physician | Austin, TX | 2006 |
| Howard Marcus, PSY.D. | 1346342409 | Clinical Psychologist | Plantation, FL | 2006 |
| Howard Marcus, MA, LPC | 1851828263 | Mental Health Counselor | Erdenheim, PA | 2017 |
| Howard Marcus, MD | 1972585842 | Obstetrics & Gynecology Physician | Schererville, IN | 2005 |
| Huda Marcus, MD | 1518489988 | Internal Medicine Physician | Flint, MI | 2017 |
| I. Marcus, PHD | 1528306164 | Psychologist | San Jose, CA | 2013 |
| Inna Marcus, M.D. | 1942464227 | Ophthalmology Physician | Henrico, VA | 2008 |
| Irving Marcus, MSAOM | 1235523408 | Acupuncturist | Grand Rapids, MI | 2015 |
| Isobel Marcus | 1740535376 | Clinical Social Worker | Sacramento, CA | 2012 |
| Ivy Marcus | 1427826908 | Clinical Psychologist | New York, NY | 2023 |
| Ivy Marcus | 1730495433 | Speech-Language Pathologist | Scarsdale, NY | 2010 |
| Iyana Marcus | 1366366106 | Behavior Technician | Southfield, MI | 2026 |
| Jacky Marcus, PT, DPT | 1659753580 | Physical Therapist | Gallipolis, OH | 2015 |
| Jacob Marcus, EMT-1 | 1245568021 | Basic Emergency Medical Technician | Escondido, CA | 2009 |
| Jacqueline Marcus, M.D. | 1710131586 | Neurology Physician | San Francisco, CA | 2008 |
| Jalma Marcus, RN, HNB-BC | 1558613984 | Holistic Clinical Nurse Specialist | Doylestown, PA | 2012 |
| James Marcus | 1043173362 | Social Worker | New York, NY | 2025 |
| James Marcus, M.D. | 1568716629 | Internal Medicine Physician | New York, NY | 2012 |
| Jane Marcus, PSY. D. | 1114906146 | Clinical Psychologist | Charlotte, NC | 2006 |
| Janet Marcus, APRN, BC | 1548474497 | Adult Psychiatric/Mental Health Registered Nurse | Washington, DC | 2007 |
| Jarrell Marcus | 1497420897 | Prosthetics Case Management | Baconton, GA | 2021 |
| Jasmine Marcus, PT, DPT | 1073999546 | Physical Therapist | Ithaca, NY | 2015 |
| Jasmine Marcus | 1316644073 | Behavior Technician | Centennial, CO | 2023 |
| Jason Marcus | 1588400840 | Student in an Organized Health Care Education/Training Program | Fort Lauderdale, FL | 2024 |
| Jayde Marcus, LMT | 1245609924 | Massage Therapist | Neptune, NJ | 2015 |
| Jayden Marcus | 1376233957 | Student in an Organized Health Care Education/Training Program | Ellicott City, MD | 2023 |
| Jeffrey Marcus, M.D. | 1063596948 | Plastic and Reconstructive Surgery Physician | Durham, NC | 2006 |
| Jeffrey Marcus, R.PH. | 1174795223 | Pharmacist | Los Angeles, CA | 2008 |
| Jeffrey Marcus, MD | 1184815656 | Critical Care Medicine (Internal Medicine) Physician | San Jose, CA | 2007 |
| Jeffrey Marcus, CASAC-T | 1700489937 | Addiction (Substance Use Disorder) Counselor | Brooklyn, NY | 2020 |
| Jeffrey Marcus, MD, MPH, PA | 1700882545 | MOHS-Micrographic Surgery Physician | Boca Raton, FL | 2005 |
| Jeffrey Marcus, M.D. | 1821025677 | Psychiatry Physician | Chippewa Falls, WI | 2006 |
| Jeffrey Marcus, M.D. | 1851393482 | Obstetrics & Gynecology Physician | Marietta, GA | 2005 |
| Jeneba Marcus | 1609739598 | Nutritionist | Elkhart, IN | 2025 |
| Jenna Marcus | 1124808134 | Speech-Language Pathologist | East Windsor, NJ | 2023 |
| Jenna Marcus, M.D. | 1386871689 | Gynecologic Oncology Physician | Chicago, IL | 2009 |
| Jennifer Marcus, LICSW, CCM | 1003397969 | Social Worker | West Springfield, MA | 2018 |
| Jennifer Marcus, MD | 1295834174 | Anesthesiology Physician | Belleville, NJ | 2006 |
| Jennifer Marcus, PT, DPT, CLT | 1457971517 | Physical Therapist | Baltimore, MD | 2020 |
| Jennifer Marcus | 1528493046 | Other Technician | Stuart, FL | 2013 |
| Jerelyn Marcus, O.D. | 1750416129 | Optometrist | Great Neck, NY | 2007 |
| Jeremy Marcus, M.D. | 1528175114 | Nephrology Physician | Washington, DC | 2006 |
| Jessica Marcus, RD | 1104284207 | Registered Dietitian | Kensington, CA | 2016 |
| Jessica Marcus | 1215861711 | Audiologist | Stamford, CT | 2026 |
| Jessica Marcus | 1609427350 | Family Nurse Practitioner | Princeton, WV | 2019 |
| Jessica Marcus, M.D | 1649475401 | Pediatrics Physician | Long Beach, CA | 2007 |
| Jessica Marcus, M.S. ED | 1740543289 | Specialist | Brooklyn, NY | 2012 |
| Jessica Marcus, MSOT, OTR/L | 1992384697 | Pediatric Occupational Therapist | Monroe, NC | 2021 |
| Jill Marcus, OD | 1154328821 | Optometrist | Plainview, NY | 2005 |
| Jill Marcus, M.D. | 1285165795 | Family Medicine Physician | Chicago, IL | 2017 |
| Jill Marcus, MA, CCC-SLP | 1487875654 | Speech-Language Pathologist | Durham, NC | 2007 |
| Jo-Ann Marcus | 1437630555 | Clinical Social Worker | Tucson, AZ | 2018 |
| Joanne Marcus, PA | 1356507420 | Physician Assistant | Sunnyvale, CA | 2008 |
| Jocelyn Marcus | 1104225812 | Social Worker | Greenbelt, MD | 2014 |
| Jodi Marcus, OT | 1255275913 | Occupational Therapist | Haverhill, MA | 2026 |
| Joel Marcus, MD | 1063449783 | Cardiovascular Disease Physician | Pomona, NY | 2006 |
| Joel Marcus, PSYD | 1528044195 | Psychologist | Phoenix, AZ | 2005 |
| Joel Marcus, MD | 1912093089 | Psychiatry Physician | Berkeley, CA | 2006 |
| John Marcus, MD | 1013075951 | Obstetrics & Gynecology Physician | Lehigh Acres, FL | 2006 |
| John Marcus | 1285363994 | Behavior Analyst | Phoenix, AZ | 2022 |
| Johnna Marcus, LICSW | 1538717277 | Addiction (Substance Use Disorder) Counselor | Boston, MA | 2019 |
| Jonathan Marcus, M.D. | 1255344099 | Neurology Physician | Rochester, NY | 2006 |
| Jonathan Marcus, LICSW | 1376672816 | Clinical Social Worker | Taunton, MA | 2007 |
| Jonathan Marcus, DDS | 1407913403 | General Practice Dentistry | New York, NY | 2007 |
| Jonathan Marcus, MD | 1619002888 | Critical Care Medicine (Internal Medicine) Physician | Boca Raton, FL | 2007 |
| Joni Marcus, DMD | 1821011719 | General Practice Dentistry | Phila, PA | 2006 |
| Joseh Marcus, MD | 1932293438 | Specialist | Great Neck, NY | 2006 |
| Joseph Marcus, MD | 1669447496 | Anatomic Pathology & Clinical Pathology Physician | Saint Louis, MO | 2006 |
| Joseph Marcus, MD | 1922467711 | Infectious Disease Physician | Jbsa Ft Sam Houston, TX | 2016 |
| Joshua Marcus, M.D. | 1609010719 | Neurological Surgery Physician | Danbury, CT | 2009 |
| Joshua Marcus, DC | 1871010355 | Chiropractor | Los Gatos, CA | 2017 |
| Joy Marcus | 1538257993 | Pharmacist | North Miami, FL | 2006 |
| Joycelaine Marcus | 1700697679 | Behavior Technician | Raleigh, NC | 2025 |
| Judith Marcus, LLMSW | 1184949315 | Clinical Social Worker | Grand Rapids, MI | 2010 |
| Judith Marcus, LMP | 1194039149 | Specialist | Seattle, WA | 2010 |
| Judith Marcus, MD | 1326018151 | Psychiatry Physician | Great Neck, NY | 2006 |
| Judith Marcus, MD | 1437139011 | Psychiatry Physician | Wilmington, DE | 2006 |
| Judith Marcus, LICSW | 1598182727 | Clinical Social Worker | Minnetonka, MN | 2014 |
| Judith Marcus, PA | 1942342803 | Physician Assistant | Arleta, CA | 2007 |
| Judith Marcus | 1982672382 | Pediatric Hematology & Oncology Physician | New York, NY | 2006 |
| Julia Marcus, LCAT | 1073219929 | Art Therapist | New York, NY | 2023 |
| Julia Marcus | 1992509632 | Student in an Organized Health Care Education/Training Program | Farmington, CT | 2025 |
| Julianna Marcus, PHARM.D. | 1265815328 | Pharmacist | Cabot, AR | 2015 |
| Julianne Marcus, MS, OTR/L | 1023526381 | Occupational Therapist | Richmond, VA | 2018 |
| Julie Marcus, PH.D. | 1265646780 | Clinical Psychologist | New York, NY | 2007 |
| Julie Marcus, MD | 1497863609 | Internal Medicine Physician | Robbinsdale, MN | 2006 |
| Julie Marcus, M.D. | 1962763557 | Cardiovascular Disease Physician | New York, NY | 2012 |
| Julius Marcus, LMSW | 1790410801 | Case Manager/Care Coordinator | West Monroe, LA | 2022 |
| Justin Marcus | 1578136784 | Social Worker | Montclair, NJ | 2021 |
| Justin Marcus, M.D. | 1588983761 | Neurology Physician | New York, NY | 2010 |
| Justine Marcus, D.C. | 1154522084 | Chiropractor | Armagh, PA | 2007 |
| Kai Marcus, DPT | 1245376003 | Specialist | Carlsbad, CA | 2007 |
| Kammie Marcus | 1558247619 | Behavior Technician | Kapolei, HI | 2025 |
| Kara Marcus | 1427863471 | Behavior Technician | Aurora, CO | 2025 |
| Kara Marcus, MS CCC-SLP | 1447710967 | Speech-Language Pathologist | Mokena, IL | 2019 |
| Karen Marcus, M.D. | 1003043993 | Psychiatry Physician | Pittsburg, CA | 2009 |
| Karen Marcus | 1013076645 | Clinical Psychologist | Asheville, NC | 2006 |
| Karen Marcus, LCSW | 1184702482 | Clinical Social Worker | Piscataway, NJ | 2006 |
| Karen Marcus, D.D.S. | 1518208594 | Dentist | Yardley, PA | 2013 |
| Karen Marcus | 1568058618 | Behavior Technician | Tinley Park, IL | 2020 |
| Karen Marcus, MD | 1609827666 | Radiation Oncology Physician | Boston, MA | 2006 |
| Karisa Marcus | 1710676168 | Social Worker | Cherry Hill, NJ | 2023 |
| Kate Marcus, OTR | 1972123511 | Occupational Therapist | Albuquerque, NM | 2020 |
| Kathleen Marcus, RD | 1477728673 | Registered Dietitian | Youngstown, OH | 2008 |
| Kathryn Marcus, MD | 1730763723 | Otolaryngology Physician | Minneapolis, MN | 2021 |
| Kathryn Marcus, LGPC | 1760122931 | Professional Counselor | Randallstown, MD | 2022 |
| Katy Marcus, CNP | 1902358500 | Family Nurse Practitioner | Lancaster, OH | 2016 |
| Keith Marcus, MD | 1093831604 | Student in an Organized Health Care Education/Training Program | Ann Arbor, MI | 2007 |
| Keith Marcus, MD | 1255371365 | Internal Medicine Physician | Ludington, MI | 2006 |
| Kelli Marcus, LLPC | 1760880496 | Other Technician | Royal Oak, MI | 2014 |
| Kellie Marcus, MA | 1376037622 | Mental Health Counselor | Elgin, IL | 2018 |
| Kendall Marcus | 1700571908 | Behavior Analyst | Newton, MA | 2023 |
| Kenneth Marcus, M.D. | 1639226566 | Psychiatry Physician | New Haven, CT | 2007 |
| Kenneth Marcus, DDS | 1750423257 | Periodontics | Brooklyn, NY | 2007 |
| Kevin Marcus | 1265194252 | Certified Registered Nurse Anesthetist | Louisville, KY | 2021 |
| Kevin Marcus, M.D. | 1942509674 | Anesthesiology Physician | San Diego, CA | 2011 |
| Kimberly Marcus, MSW, LICSW | 1164541298 | Clinical Social Worker | New Bedford, MA | 2007 |
| Kimberly Marcus | 1205269412 | Social Worker | Jamaica, NY | 2013 |
| Kirsten Marcus, M.D. | 1992995435 | Internal Medicine Physician | San Francisco, CA | 2007 |
| Kristin Marcus | 1487183513 | Addiction (Substance Use Disorder) Counselor | Warner Robins, GA | 2017 |
| Laina Marcus, M.A. | 1336338110 | Marriage & Family Therapist | Woodland Hills, CA | 2007 |
| Larry Marcus, MD | 1497743991 | Otolaryngology Physician | Norway, ME | 2005 |
| Laura Marcus, LMSW | 1558968255 | Clinical Social Worker | Grand Rapids, MI | 2020 |
| Laura Marcus, M.D. | 1568856185 | Pediatrics Physician | Jamaica Plain, MA | 2015 |
| Laura Marcus, COTA/L | 1740894716 | Occupational Therapy Assistant | Cumberland, RI | 2020 |
| Laura Marcus, FNP | 1932453990 | Family Nurse Practitioner | Windsor, CA | 2012 |
| Lauren Marcus, DC | 1225554207 | Chiropractor | New York, NY | 2017 |
| Lauren Marcus | 1265218150 | Behavior Technician | Killeen, TX | 2023 |
| Lauren Marcus, M.A. | 1427322593 | Speech-Language Pathologist | New York, NY | 2012 |
| Lauren Marcus, PAC | 1760238737 | Physician Assistant | Reno, NV | 2024 |
| Lauren Marcus, LCSW | 1770009961 | Clinical Social Worker | Roselle Park, NJ | 2017 |
| Lauren Marcus | 1831859693 | Speech-Language Pathologist | Boca Raton, FL | 2021 |
| Lauren Marcus, M.S., CCC-SLP | 1962870873 | Speech-Language Pathologist | Scotch Plains, NJ | 2015 |
| Lawrence Marcus, M.D. | 1437339256 | Psychiatry Physician | Boca Raton, FL | 2007 |
| Leah Marcus, LLPC | 1073107645 | Professional Counselor | Ann Arbor, MI | 2021 |
| Leah Marcus, LISW-S | 1780037952 | Clinical Social Worker | Walnut Hills, OH | 2016 |
| Leah Marcus, RN | 1831525864 | Registered Nurse | Long Beach, CA | 2013 |
| Lee Marcus, MD FACC | 1205809100 | Cardiovascular Disease Physician | Baldwin Place, NY | 2006 |
| Leigh Marcus, M.D. | 1295933992 | Pediatric Hematology & Oncology Physician | Baltimore, MD | 2007 |
| Lenni Marcus, LICSW | 1053817460 | Clinical Social Worker | Providence, RI | 2018 |
| Leo Marcus | 1194107557 | Student in an Organized Health Care Education/Training Program | Long Branch, NJ | 2015 |
| Leonard Marcus, M.D. | 1548236722 | Specialist | Newton, MA | 2006 |
| Leonard Marcus, MD | 1730165119 | Psychiatry Physician | Randolph, MA | 2005 |
| Leonard Marcus, MD | 1972568764 | Psychiatry Physician | Salem, VA | 2006 |
| Leslie Marcus, MS RN CS | 1154383586 | Psychiatric/Mental Health Registered Nurse | Gt Barrington, MA | 2006 |
| Leslie Marcus, LCSW | 1720934300 | Clinical Social Worker | Rockford, IL | 2026 |
| Leslie Marcus | 1821873837 | Personal Care Attendant | Las Vegas, NV | 2023 |
| Lev Marcus | 1023899226 | Day Training/Habilitation Specialist | Oakland, CA | 2023 |
| Lily Marcus | 1710867460 | Student in an Organized Health Care Education/Training Program | New York, NY | 2025 |
| Linda Marcus, PH.D. | 1902947989 | Psychologist | New York, NY | 2007 |
| Lindasusan Marcus, MD | 1598875619 | Dermatology Physician | Wyckoff, NJ | 2006 |
| Lindsey Marcus, PA-C | 1528688777 | Physician Assistant | Ossining, NY | 2020 |
| Lisa Marcus, LCSW | 1255604997 | Clinical Social Worker | New York, NY | 2012 |
| Lisa Marcus, CNM | 1669637732 | Advanced Practice Midwife | Philadelphia, PA | 2008 |
| Lisa Marcus, PH.D. | 1821205261 | Clinical Psychologist | New Haven, CT | 2007 |
| Lisa Marcus, LCSW | 1972011211 | Clinical Social Worker | Elmhurst, IL | 2018 |
| Logan Marcus, M.D. | 1518353887 | Preventive Medicine/Occupational Environmental Medicine Physician | Carson City, NV | 2015 |
| Loni Marcus | 1851840250 | Professional Counselor | Vista, CA | 2016 |
| Lori Marcus, FNP | 1164074795 | Family Nurse Practitioner | Danvers, MA | 2019 |
| Lori Marcus | 1225821549 | Specialist | Massapequa Park, NY | 2025 |
| Louise Marcus, MS, CCC-SLP | 1740533694 | Speech-Language Pathologist | Warden, WA | 2012 |
| Luke Marcus, D.O. | 1972746105 | Internal Medicine Physician | Pontiac, MI | 2009 |
| Lunye Marcus | 1235882697 | Massage Therapist | Van Nuys, CA | 2022 |
| Lydia Marcus, M.D. | 1174968911 | Neurology with Special Qualifications in Child Neurology Physician | Birmingham, AL | 2013 |
| Lynn Marcus, RD | 1174688626 | Registered Dietitian | Hutchinson, MN | 2006 |
| Lynn Marcus | 1205233624 | Clinical Social Worker | West Allis, WI | 2014 |
| Lynn Marcus, M.S. | 1225128549 | Marriage & Family Therapist | Castro Valley, CA | 2006 |
| Lynn Marcus, L.M.H.P. | 1306860184 | Mental Health Counselor | Lincoln, NE | 2006 |
| Lynn Marcus, R.N. | 1730206848 | Neonatal Intensive Care Registered Nurse | Milwaukee, WI | 2007 |
| Lynn Marcus, LICSW | 1871658328 | Clinical Social Worker | Haydenville, MA | 2006 |
| M Marcus, M.D. | 1427057397 | Otolaryngic Allergy Physician | Inverness, FL | 2005 |
| Maayan Marcus, RN | 1689174534 | Registered Nurse | Plano, TX | 2018 |
| Madeleine Marcus | 1225888217 | Student in an Organized Health Care Education/Training Program | Danville, PA | 2024 |
| Madeleine Marcus, LCSW | 1285835942 | Clinical Social Worker | Hayward, CA | 2007 |
| Madeleine Marcus, PSYD | 1407581952 | Psychologist | El Cerrito, CA | 2022 |
| Madeline Marcus, MD | 1881616647 | Pediatrics Physician | Seaford, DE | 2006 |
| Madison Marcus | 1922978188 | Speech-Language Assistant | Boca Raton, FL | 2025 |
| Maggie Marcus | 1700356540 | Surgical Physician Assistant | Pittsburgh, PA | 2018 |
| Malky Marcus | 1013866102 | Specialist | Brooklyn, NY | 2026 |
| Mara Marcus, PA-C | 1912546425 | Physician Assistant | Davie, FL | 2019 |
| Marcella Marcus | 1124770771 | Behavior Technician | Hollywood, FL | 2022 |
| Marcene Marcus, L.C.S.W. | 1871616599 | Clinical Social Worker | Mission Viejo, CA | 2007 |
| Margaret Marcus, PHD | 1336227339 | Clinical Psychologist | New York, NY | 2006 |
| Margaret Marcus, LPN | 1356663181 | Licensed Practical Nurse | Syracuse, NY | 2010 |
| Margaret Marcus | 1356917694 | Physical Therapist | Fort Worth, TX | 2021 |
| Margaret Marcus, LISW-S | 1962996728 | Clinical Social Worker | Cleveland, OH | 2018 |
| Marilyn Marcus, D.O. | 1396770608 | Family Medicine Physician | Miami, FL | 2006 |
| Marilyn Marcus | 1588061196 | Clinical Social Worker | Bay Shore, NY | 2014 |
| Marilyn Marcus, SLP/CCC | 1790081305 | Speech-Language Pathologist | Creswell, OR | 2011 |
| Marina Marcus, MPH, MS | 1639664048 | Student in an Organized Health Care Education/Training Program | Culver City, CA | 2018 |
| Mark Marcus, DDS | 1033125232 | Orthodontics and Dentofacial Orthopedics Dentistry | Queensbury, NY | 2006 |
| Mark Marcus, D.D.S. | 1144423666 | General Practice Dentistry | Sherman Oaks, CA | 2007 |
| Markeisha Marcus | 1669350856 | Behavior Technician | Clermont, FL | 2025 |
| Marsea Marcus, LMFT | 1255548947 | Marriage & Family Therapist | Soquel, CA | 2007 |
| Marsha Marcus, PHD | 1013981091 | Specialist | Pittsburgh, PA | 2006 |
| Marshall Marcus, M.D. | 1609160563 | Clinical Cardiac Electrophysiology Physician | St Petersburg, FL | 2011 |
| Martin Marcus, D.C. | 1598816159 | Orthopedic Chiropractor | St Petersburg, FL | 2007 |
| Martin Marcus | 1851587125 | General Practice Dentistry | Chicago, IL | 2007 |
| Martina Marcus, LPN | 1730387291 | Licensed Practical Nurse | Bridgeton, NJ | 2007 |
| Marvice Marcus, PHD | 1174096804 | Counseling Psychologist | Durham, NC | 2019 |
| Mary Marcus, LPT | 1063583425 | Physical Therapist | Ball Ground, GA | 2006 |
| Mary Marcus, PH.D. | 1295743011 | Psychologist | Norwalk, CT | 2006 |
| Mary Marcus | 1346571056 | Registered Dietitian | Madison, WI | 2010 |
| Mason Marcus, MD | 1003300617 | Clinical Cardiac Electrophysiology Physician | Dallas, TX | 2018 |
| Matthew Marcus, M.D. | 1316108475 | Sports Medicine (Orthopaedic Surgery) Physician | Kenosha, WI | 2008 |
| Matthew Marcus, PT, DPT | 1376988170 | Physical Therapist | N Royalton, OH | 2013 |
| Matthew Marcus, DC | 1386758647 | Chiropractor | Elkins Park, PA | 2006 |
| Matthew Marcus, RN | 1487469649 | Registered Nurse | Myrtle Beach, SC | 2025 |
| Matthew Marcus, MD | 1518937143 | Pediatric Radiology Physician | Greenville, SC | 2006 |
| Maureen Marcus, RN | 1780973974 | Administrator Registered Nurse | Huntington Station, NY | 2011 |
| Max Marcus, M.D. | 1568994150 | Child & Adolescent Psychiatry Physician | New York, NY | 2017 |
| Maxine Marcus, PH.D. | 1215093398 | Psychologist | Great Neck, NY | 2006 |
| Meaghan Marcus | 1376883496 | Behavior Analyst | Las Vegas, NV | 2013 |
| Megan Marcus, LCSW | 1356586754 | Clinical Social Worker | Maryville, TN | 2008 |
| Melissa Marcus | 1427133578 | Clinical Social Worker | Long Beach, CA | 2006 |
| Meredith Marcus, M.S., CCC-SLP | 1245549294 | Speech-Language Pathologist | Canoga Park, CA | 2010 |
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).