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 112 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
- Ipsa SindhwaniBehavior Technician1609764778
- Sarah SingallaOccupational Therapist1942635321
- Dina Singer, M.AC., L.AC.Acupuncturist1629329214
- Aishwarya SinghBehavior Technician1508439712
- Anmol Singh, DOFamily Medicine Physician1174106009
- Santokh Singh, LCPCMental Health Counselor1548896053
- Shreyaa SinghBehavior Technician1376356378
- Sudha SinghBehavior Technician1740816115
- Chanell SingletaryBehavior Analyst1902454077
- Ashley SingletonBehavior Technician1750207460
- Laura SingletonBehavior Technician1477392371
- Anshu Sinha, MDOphthalmology Physician1649287764
- Jair SinisterraStudent in an Organized Health Care Education/Training Program1659161974
- Tsega SiressaBehavior Technician1821674185
- Fred Sirotkin, O.D.Optometrist1821109596
- Elizabeth SitalBehavior Technician1518751353
- Jigar Sitapara, M.D.Facial Plastic Surgery Physician1962818252
- Mark Sivieri, M.D.Family Medicine Physician1992701742
- Diana Siwek, LCSWClinical Social Worker1578831830
- Justis SkeeteBehavior Technician1316892771
- Wrenn SkidmoreSocial Worker1407306335
- Linda Sklar, M.D.Internal Medicine Physician1689950982
- Diana SkubeBehavior Analyst1477091023
- Kristy SlackBehavior Technician1770232118
- Alyssa SlacumBehavior Technician1710653449
- Paige SladeBehavior Technician1902563158
- Ginette Slankard, RNRegistered Nurse1225526122
- Evann Slaughter, PT, DPT, CSCSPhysical Therapist1114683117
- Emily Slick, CRNP-PMHPsychiatric/Mental Health Nurse Practitioner1922826957
- David SloanRegistered Nurse1326547381
- Matthew Slowikowski, LCSW-CClinical Social Worker1326856915
- Iness SmadhiBehavior Technician1821517335
- Dianne SmallBehavior Technician1750159901
- Emma SmallBehavior Technician1144031378
- Morgan SmalleyOccupational Therapy Assistant1770358475
- Deborah Smalls-Bartee, RNRegistered Nurse1841500212
- Kristin Smedley, RNRegistered Nurse1285023846
- Katherine SmentkowskiUrology Physician1336567353
- Stacey SmerkolBehavior Technician1962138412
- Haley SmetanaBehavior Technician1083433080
- Corrie Smichnick, CCCSpeech-Language Pathologist1518199546
- Nicole Smilak, PH.D.Behavior Analyst1760269575
- Abigail SmithBehavior Technician1023802998
- Adrienne SmithBehavior Technician1285356212
- Alecia SmithBehavior Technician1093522617
- Allison Smith, BSN, RNRegistered Nurse1699170514
- Alyssa SmithBehavior Technician1528700242
- Amanda Smith, CNIMOther Technician1134758923
- Ambrym Smith, LCSW-CClinical Social Worker1316746928
- Amy Smith, RNRegistered Nurse1235562729
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.