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 81 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
- Eric Metcalf, RNRegistered Nurse1316481237
- Gwendolyn MetreyBehavior Technician1003693219
- Stacy Metz, PHARMDPharmacist1487649737
- Lillian MetzgerBehavior Technician1750041729
- Jennifer Meyers, RNRegistered Nurse1760968515
- Julianne Meyers, LCPCMental Health Counselor1275133407
- Helen MezzomoSpeech-Language Pathologist1205300084
- Onyinyechi Mgbenka, PHARMD.Pharmacist1700473667
- Mariah Miano, PTPhysical Therapist1659391308
- Tony MiaoudouBehavior Technician1063203891
- Patrick Michael, MDUrology Physician1578025177
- Jarlisa Mickey, RN, A-GPCNP-CGerontology Nurse Practitioner1093433641
- Weronika Micula-Gondek, M.D.Psychiatry Physician1760682942
- June Middaugh, CRNACertified Registered Nurse Anesthetist1679845473
- Debra Middleton, RNRegistered Nurse1144653635
- Kimberly Middleton, MSPTPhysical Therapist1114485125
- Michael Midgley, LGSWClinical Social Worker1477801470
- Laura Migasiuk, MDInternal Medicine Physician1811519382
- Ann MihalickEmergency Medicine Physician1902834435
- Courtney Mike-Wilson, MSBehavior Technician1407503725
- Lisa Mikles, CRNPNurse Practitioner1902867427
- Leslee MilesBehavior Technician1891422762
- Crystal Miles-RuffinClinical Social Worker1427514967
- Corey MillardBehavior Technician1558909077
- Julia MillardBehavior Analyst1073058046
- Andrea MillenPharmacy Technician1134510449
- Alyssa Miller, LGSWSchool Social Worker1104233972
- Amy Miller, LCSW-CClinical Social Worker1639348923
- Angela Miller, FNPNurse Practitioner1942920103
- Ann Marie MillerRegistered Nurse1265922348
- Brandi Miller, LMSWSocial Worker1811741523
- Bria MillerSocial Worker1609792324
- Carole Miller, LCSW-CClinical Social Worker1063546950
- Catherine MillerContinuing Education/Staff Development Registered Nurse1366022311
- Christine Miller, DPTPhysical Therapist1386187417
- Christopher Miller, RNRegistered Nurse1003553132
- Daniel Miller, LCPCProfessional Counselor1093095986
- Debby Miller, AU.D.Audiologist1225042849
- Hannah Miller, RNRegistered Nurse1831623461
- Hannah MillerBehavior Technician1538967849
- Irvin Miller, P.T.Physical Therapist1326123712
- Jamaal MillerBehavior Technician1295338531
- Jessica Miller, LCPCProfessional Counselor1942511951
- Joshua Miller, ATC,LATAthletic Trainer1174010185
- Kevin MillerPhysical Therapy Assistant1255915039
- Kristan Miller, RBTBehavior Technician1316817612
- Kristen Miller, RNRegistered Nurse1659741445
- Laurie MillerRegistered Nurse1679027460
- Lydia MillerRegistered Nurse1841931656
- Madeline Miller, M.S., M.A.Mental Health Counselor1174313043
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.