Doctors and health care providers in Columbia, SC
11,200 individual NPPES records list a practice address in Columbia, 1st of 200 South Carolina cities. The largest group is behavior technician: 1,090, 10% of the city's records, against 4% across South Carolina. Page 151 of 224.
The 8 largest groups in Columbia
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Columbia in South Carolina
- Rank in South Carolina1st of 200 cities by records
- Share of the state13% of South Carolina's records
- Specialties present25 or more taxonomy codes
- Top three groups20.9% of all records
- Behavior Technician rank1st of the 10 South Carolina cities with the most
Compared with South Carolina as a whole, Columbia has 2.4× the state's share of behavior technician records and 0.57× its share of speech-language pathologist records.
Providers in Columbia, alphabetically
- Alexandria OnealBehavior Technician1649122516
- Cara Oneill, MDPediatrics Physician1811929037
- Elizabeth Oneill, LPCProfessional Counselor1316294051
- Susan Oneppo, FAMILY TRAINERCase Manager/Care Coordinator1336480235
- Carl Onley, LDO,CLDO,ABOC,NCLEOptician1134854193
- Sarah Onofrio, PHARM.D.Pharmacotherapy Pharmacist1962841577
- Stella OnukwughaStudent in an Organized Health Care Education/Training Program1477347268
- Berthrand Onuoha, M.D.Hospitalist Physician1043504251
- Jude Onuoha, MDPublic Health & General Preventive Medicine Physician1124231519
- Joseph OquendoAddiction (Substance Use Disorder) Counselor1033606652
- Gunnar OrcuttSurgery Physician1457091381
- Kayla OrcuttStudent in an Organized Health Care Education/Training Program1295475119
- Zynasia OreeBehavior Technician1013711886
- Ryan Orland, MDFamily Medicine Physician1740776376
- Mark Orlandini, MDInterventional Cardiology Physician1386673879
- Carissa Orlando, PHDPsychologist1861744344
- Eric Ornstein, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1760861819
- Tudor Oroian, MDGastroenterology Physician1649705559
- Geoffrey OrokoPsychiatric/Mental Health Nurse Practitioner1881346443
- Byron Orr, PHARMDPharmacist1639428915
- J Orr, PHD LMFTMarriage & Family Therapist1083799050
- Leslie Orr, MSW, LMSWSocial Worker1619373487
- Travis OrrPharmacist1033560958
- Elizabeth Orred, M.A.Professional Counselor1396807376
- Veronica Ortiz, MDInternal Medicine Physician1811061062
- Eric Orton, PTPhysical Therapist1548990260
- Robert Ortuno, PHARMDPharmacist1396050019
- Stephen Osaguona, M.D.Nephrology Physician1346387388
- June Osavio, NPFamily Nurse Practitioner1447437959
- Katherine OsbornBehavior Technician1114878550
- Richard Osborn, O.T.R.Occupational Therapist1629017348
- Caroline Osborne, MDInternal Medicine Physician1740644376
- Jonathan OsborneFamily Nurse Practitioner1891419370
- Julia Osborne, MDOrthopaedic Surgery Physician1912523085
- Nicolas Osborne, MDEmergency Medicine Physician1245855154
- Sarah Osborne, COTA/LOccupational Therapy Assistant1386006609
- Raymond OseguedaCertified Registered Nurse Anesthetist1134795065
- Anna OsemanBehavior Analyst1093323248
- Serena Osher, CCC-SLPSpeech-Language Pathologist1548380918
- Jailan Osman, M.D.Hematology (Pathology) Physician1649460361
- Ryleigh OsmentBehavior Technician1811619018
- Denise Osolin, RNRegistered Nurse1003794629
- Brittany Osteen, APRNFamily Nurse Practitioner1154813780
- Cassandra Osteen, PTAPhysical Therapy Assistant1699214239
- Kayla OsteenFamily Nurse Practitioner1144850017
- Anders Oster, MDEmergency Medicine Physician1871119990
- Maja Osterman, MDChild & Adolescent Psychiatry Physician1932125127
- Yenny Otalora Rojas, MDEndocrinology, Diabetes & Metabolism Physician1568958551
- Jennifer Othersen, MDNephrology Physician1376631143
- Pamela Otoole, APRNFamily Nurse Practitioner1174835219
The largest South Carolina cities
- Charleston10,840
- Greenville10,264
- Spartanburg3,328
- Florence2,634
- Myrtle Beach2,599
How to read this directory
Columbia, South Carolina appears in the CMS National Plan and Provider Enumeration System with 11,200 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 (1,090 clinicians, followed by Family Nurse Practitioner with 662 and Pharmacist with 586). 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 South Carolina's population, Columbia reports roughly 208.4 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.
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, SC?
There are 11,200 registered healthcare providers in Columbia, SC, 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, Family Nurse Practitioner, Pharmacist, Mental Health Counselor, Professional Counselor. Behavior Technician has the most providers with 1,090.
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.