Doctors and health care providers in Columbia, MD
6,690 individual NPPES records list a practice address in Columbia, 4th of 284 Maryland cities. The largest group is behavior technician: 2,034, 30% of the city's records, against 16% across Maryland. Page 80 of 134.
The 8 largest groups in Columbia
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Columbia in Maryland
- Rank in Maryland4th of 284 cities by records
- Share of the state4.2% of Maryland's records
- Specialties present25 or more taxonomy codes
- Top three groups47.3% of all records
- Behavior Technician rank3rd of the 10 Maryland cities with the most
Compared with Maryland as a whole, Columbia has 7.6× the state's share of registered nurse records and 0.47× its share of occupational therapist records.
Providers in Columbia, alphabetically
- Jennifer MedaracBehavior Analyst1003579079
- Monique Medina, P.A.Physician Assistant1770869596
- Cindi Medina PaizBehavior Technician1568388239
- Rachel MedleyBehavior Technician1396620910
- Amani MedlockBehavior Technician1932774270
- Ainsley MeehanPhysical Therapist1982033775
- Jessica Meehan, RNRegistered Nurse1730502212
- Marina MegallyBehavior Technician1205660370
- Meghan MeghparaPediatric Emergency Medicine (Pediatrics) Physician1942664321
- Mohammed Mehboob, MDInternal Medicine Physician1518921873
- Rekha MehrotraMental Health Counselor1982120259
- Joseph MehrtensBehavior Technician1992370563
- Charulata Mehta, M.D.Internal Medicine Physician1255490686
- Brandi MeislBehavior Technician1841865631
- Diana Mejia, PAPhysician Assistant1225466915
- Katherine MelendezBehavior Technician1285507673
- Sosena Melese, SLPSpeech-Language Pathologist1508749979
- Katie Mellendick, PA-CMedical Physician Assistant1417239625
- Duane Mellinger, PTAPhysical Therapist1376727628
- Gustave MeltonBehavior Technician1952023657
- Irfan MemonPharmacist1194349787
- Rachel Mencher, LCSW-CClinical Social Worker1811373509
- Casandra MendezBehavior Technician1215510920
- Emely MendezBehavior Technician1245956614
- Cecelia Mendiola, MDPediatrics Physician1871959866
- Tanya Menefee, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1902037831
- Andrew Mener, M.D.Hematology & Oncology Physician1891084513
- Amma MensahCounselor1568188597
- Edna Mensah, LCPCProfessional Counselor1356969570
- Wendy MensahRegistered Nurse1700357332
- Eleanor Merboth, CRNPPediatric Nurse Practitioner1386924991
- Autumn MercerBehavior Technician1528992831
- Charmaine MercerBehavior Technician1558238220
- Altaf Merchant, MDPsychiatry Physician1912027707
- Deepak Merchant, MDSurgery Physician1043213200
- Heather MerchantBehavior Technician1235748914
- Saeeda Merchant, BCBABehavior Analyst1760831168
- Stacy MerensteinPediatric Occupational Therapist1477940989
- Shelby MeristilMental Health Counselor1578421772
- Elizabeth Meritt, LMSWClinical Social Worker1427697523
- Loretta Merl, PTPhysical Therapist1033238324
- Ashley Merola, OTR/LOccupational Therapist1992217004
- Yolanda Merritt, BTBehavior Technician1609542935
- Julia Merti, M.D.Psychiatry Physician1326381922
- Mahelet MesfinBehavior Technician1740859339
- Kayana MesidorFamily Nurse Practitioner1497619225
- Morgan Mesol, ATCAthletic Trainer1295141034
- Charles Mess, M.D.Sports Medicine (Orthopaedic Surgery) Physician1336143205
- Sarah Mess, M.D.Plastic Surgery Physician1740281047
- Dawn Metcalf, FNPFamily Nurse Practitioner1467739458
The largest Maryland cities
- Baltimore35,183
- Rockville14,353
- Bethesda7,245
- Silver Spring6,531
- Frederick3,981
How to read this directory
Columbia, Maryland appears in the CMS National Plan and Provider Enumeration System with 6,690 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Columbia - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Columbia practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.
The provider mix in Columbia is weighted toward Behavior Technician (2,034 clinicians, followed by Registered Nurse with 783 and Clinical Social Worker with 346). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to Maryland's population, Columbia reports roughly 108.2 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.
Of Maryland's most common specialties, Home Health Aide is the most prominent one with no provider currently listing a Columbia practice address, a coverage gap Columbia patients typically fill by traveling to a larger nearby hub.
For Columbia patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.
For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.
Common questions
How many doctors are in Columbia, MD?
There are 6,690 registered healthcare providers in Columbia, MD, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Columbia?
The most common specialties in Columbia are Behavior Technician, Registered Nurse, Clinical Social Worker, Behavior Analyst, Physical Therapist. Behavior Technician has the most providers with 2,034.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.