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 67 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
- Lisa Lacivita, CRNACertified Registered Nurse Anesthetist1659507572
- Monica LacksBehavior Technician1740924158
- Timothy Lacy, M.D.Psychiatry Physician1275780934
- Everette Lafon, M.D.Emergency Medicine Physician1588856132
- Tara LafranceBehavior Technician1003550617
- Michael Lagonera, PTAPhysical Therapy Assistant1235250317
- Kathryn Lagow, LCPCProfessional Counselor1922648567
- Laudelina Lahom, M.D.Specialist1366400186
- Kelsey LaichBehavior Technician1124815410
- Harry LaingBehavior Technician1275474843
- Hadijat Laiyemo, LCSW-CClinical Social Worker1063932663
- Rashidat Laiyemo, FNPFamily Nurse Practitioner1144825613
- Lauren Lake, LCPCMental Health Counselor1700344579
- Victoria Lalehchini, CCC-SLPSpeech-Language Pathologist1427529247
- Katharine Lalonde, M.A., BCBABehavior Analyst1588917157
- David Lambert, DPTPhysical Therapist1437265576
- Rachel LambertRegistered Nurse1003551821
- Shawn LambertBehavior Technician1265226930
- Paul Zachary LambidakisBehavior Technician1942172572
- Chantelle Lamour, DPT, PTPhysical Therapist1063893691
- Kara Lampasone, LCSW-CClinical Social Worker1831864263
- Anastasia Lamper, MDBehavior Technician1164341392
- Taylor LancasterBehavior Technician1700501129
- Charles Lancelotta Jr., M.D.Neurological Surgery Physician1023016334
- Emily LancianoRegistered Dietitian1366376303
- Elizabeth Lancos, M.S., C.R.N.P.Pediatric Nurse Practitioner1639181316
- Tiffany Land, LCPCProfessional Counselor1447623814
- Nancy Landis, LCPCProfessional Counselor1649577347
- Dianne Landrum, M.DPediatrics Physician1396712543
- Jasmine LaneBehavior Technician1659001402
- Rebecca LaneOccupational Therapy Assistant1376044875
- Angela Laney, RNRegistered Nurse1265308803
- Jamie LangRegistered Nurse1750837746
- Janice Lang, LCPCProfessional Counselor1265081186
- Taylor Lang, LCSW-CClinical Social Worker1255896999
- Thomas Lang, M.D.Rheumatology Physician1457312332
- Steven Langerman, MDInternal Medicine Physician1184243875
- Kehinde Laniyi, NPPsychiatric/Mental Health Nurse Practitioner1720553662
- Helen Lann, M.D.Psychologist1801900469
- Eileen Lanquaye, BSNRegistered Nurse1578225975
- Jaylene LanzotBehavior Technician1497415921
- Renee Lapointe, PA-CMedical Physician Assistant1528316338
- Gabriella LaraBehavior Technician1629862396
- Leonor Lara, LCPCProfessional Counselor1649878505
- Ashley Lara-MedinaBehavior Technician1043028764
- Carrie LareBehavior Technician1407706567
- Sean Lare, LCSW-CClinical Social Worker1518304450
- Danielle LarkinSpeech-Language Pathologist1871377796
- Lauren Larocca, MDHospitalist Physician1114489861
- Margaret LarsonRegistered Nurse1639578339
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.