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 68 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
- Lauren Lascasas, M.D.Pediatrics Physician1790836989
- Sharareh Lashgari BoorojerdiRegistered Nurse1831588490
- Kelly Lashley, RNEmergency Registered Nurse1346904497
- Michael Lasser, MDSpecialist1629039615
- Jennifer Lastova, PTPhysical Therapist1184748329
- Cathy Latham, LCSW CClinical Social Worker1639392202
- Taren Latney, FNP-BCFamily Nurse Practitioner1255959185
- Machesney LattaBehavior Technician1831800416
- Anna LauschOrthopedic Physical Therapist1770444648
- Keayana LavenderBehavior Technician1225801293
- Melissa Lavoie, BCBA, LBABehavior Analyst1174076368
- Olutokunbo LawalRegistered Nurse1356681001
- Careen Lawrence, RNRegistered Nurse1083261903
- Donna Lawrence, REGISTERED NURSERegistered Nurse1780092189
- Meghan Lawrence, LBABehavior Analyst1003465741
- Paula Lawrence, D.C.Chiropractor1851487144
- Scott Lawrence, D.C.Chiropractor1043311178
- Talayia LawrenceBehavior Technician1265104251
- Claudia Lawrence-Webb, DSW,LCSW-C,CERT. MFTClinical Social Worker1225225873
- Andrusa LawsonBehavior Technician1205797859
- Chelsea LawsonBehavior Technician1346099140
- Ian LawsonBehavior Technician1154853067
- Jared Lawson, D.D.S.General Practice Dentistry1679940720
- Rita Lawson-DotyRegistered Nurse1033511944
- Melissa Lay, RN, OCN, BSNRegistered Nurse1841673639
- Miaofen LayMassage Therapist1861338527
- Camelia LayneBehavior Technician1902393374
- Kristen Layton, RNRegistered Nurse1487140497
- William Layton, DPTPhysical Therapist1972096790
- Joseph Layug, M.D.Orthopaedic Surgery Physician1114092376
- Jade Lazard, RBTBehavior Technician1093472763
- Andrew Lazris, MDInternal Medicine Physician1427023944
- Diana LeBehavior Analyst1750074324
- Kellie Le, DNP, CPNP-PCPediatric Nurse Practitioner1952132813
- Samantha Le, O.D.Optometrist1548338577
- Mary LeahyBehavior Technician1336740604
- De'Ara LeakBehavior Technician1407394596
- Emily Leak, LGMFTMarriage & Family Therapist1124571443
- Nia Leak, MDObstetrics & Gynecology Physician1821008491
- Sean LeakeCounselor1932030632
- Matthew LealBehavior Analyst1376184226
- Tamara Leaym, RBTBehavior Technician1770383549
- Finda LebbieBehavior Technician1386533826
- Shoshana LebowitzPhysician Assistant1447077664
- Abby LebronBehavior Technician1750061016
- Theresa LechlitnerAudiologist1548813025
- Kimberly Lecorps, RNRegistered Nurse1548783053
- Karen LecySpeech-Language Pathologist1114040912
- Kristin Lederman, CRNPFamily Nurse Practitioner1578177226
- Robert LedyardHearing Instrument Specialist1912250283
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.