Doctors and health care providers in Columbus, OH
36,491 individual NPPES records list a practice address in Columbus, 1st of 711 Ohio cities. The largest group is case manager/care coordinator: 3,958, 11% of the city's records, against 11% across Ohio. Page 355 of 730.
The 8 largest groups in Columbus
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Columbus in Ohio
- Rank in Ohio1st of 711 cities by records
- Share of the state11.2% of Ohio's records
- Specialties present25 or more taxonomy codes
- Top three groups19.6% of all records
- Case Manager/Care Coordinator rank1st of the 10 Ohio cities with the most
Compared with Ohio as a whole, Columbus has 1.8× the state's share of anesthesiology physician records and 0.59× its share of physical therapist records.
Providers in Columbus, alphabetically
- Timothy KnellClinical Social Worker1275495319
- Jessica Knepp, LISW-S, LICDC-CSClinical Social Worker1750135273
- Jessica KneppCase Manager/Care Coordinator1104653856
- Peter Kneuertz, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1225352008
- Kristina Knickerbocker, APRN-CNPFamily Nurse Practitioner1053045195
- Aimee Knight, RNAmbulatory Care Registered Nurse1710622204
- Bobbi Knight, LCDCIIAddiction (Substance Use Disorder) Counselor1225612187
- Carmen KnightCase Manager/Care Coordinator1417796277
- Donte KnightHome Health Aide1922821941
- Eve KnightSpeech-Language Pathologist1770407488
- James Knight, M.D.Hospitalist Physician1740496553
- Jasmine Knight, QMHS CMSCommunity Health Worker1790300150
- Jennifer KnightAcute Care Nurse Practitioner1053685479
- Jordan Knight, D.O.Maternal & Fetal Medicine Physician1467743906
- Kimberly KnightStudent in an Organized Health Care Education/Training Program1457526949
- Kristina Knight, MSW, LISWClinical Social Worker1043722150
- Lisa Knight, L.M.T.Mechanotherapist1417100850
- Lori Knight, APNPNurse Practitioner1548672637
- Mandie Knight, LCDC II, PRS, QMHSAddiction (Substance Use Disorder) Counselor1154801512
- Rae Knight, LPNLicensed Practical Nurse1942421607
- Samantha Knight, CNPAdult Health Nurse Practitioner1578846226
- Jennifer Knight Davis, MDSurgical Critical Care Physician1255538575
- Stevi KnightonCase Manager/Care Coordinator1023859915
- Mark Kniha, CRNACertified Registered Nurse Anesthetist1396017760
- Paula Knill, LPCCMental Health Counselor1346262334
- Karyn Knipe, LISWClinical Social Worker1861951303
- Bethani Knipfer, CNPFamily Nurse Practitioner1538521232
- John Knipfer, M.D.Anesthesiology Physician1720036197
- Heather KnippLicensed Practical Nurse1013651108
- Paris Knipp, PA-CPhysician Assistant1053129254
- Jordan Knipper, LPCC-S, LICDCProfessional Counselor1508228099
- Stacy KnipscheerClinical Social Worker1679580229
- Charlotte Knisely, FNP-CFamily Nurse Practitioner1992355283
- Kathryn Knisely, PA-CPhysician Assistant1326586850
- Abby Knisley, MSW, LSWSocial Worker1013399435
- Amanda KnisleyNurse Practitioner1154815736
- Jody Knisley, APRN-CNPNurse Practitioner1417143645
- Larry Knisley, R.PH.Pharmacist1104930395
- Tara Knisley, RNAddiction (Substance Use Disorder) Registered Nurse1497256291
- Jessica KnoblauchProfessional Counselor1154696045
- Jeanna Knoble, MDHematology & Oncology Physician1548242118
- Lisa Knobloch, D.D.S.Prosthodontics1144371907
- Karen Knoell, PHARMDPharmacist1093163586
- Kailey Knopf, DOStudent in an Organized Health Care Education/Training Program1235932294
- James Knopp, DOEmergency Medicine Physician1548473374
- Michael Knopp, M.D.,PH.D.Contractor1770607301
- Miriam Knopp, MS, RD, LD, CSPRegistered Dietitian1942009402
- Austin Knorz, MDStudent in an Organized Health Care Education/Training Program1851194682
- Rileigh Knotts, LSWSocial Worker1144940271
- Stephanie Knotts, MSW, LSW, LICDCSocial Worker1538825831
The largest Ohio cities
- Cincinnati31,362
- Cleveland30,748
- Toledo13,583
- Dayton12,431
- Akron10,950
How to read this directory
Columbus, Ohio appears in the CMS National Plan and Provider Enumeration System with 36,491 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 Columbus - 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 Columbus 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 Columbus is weighted toward Case Manager/Care Coordinator (3,958 clinicians, followed by Student in an Organized Health Care Education/Training Program with 1,724 and Social Worker with 1,484). 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 Ohio's population, Columbus reports roughly 309.6 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 Columbus 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 Columbus, OH?
There are 36,491 registered healthcare providers in Columbus, OH, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Columbus?
The most common specialties in Columbus are Case Manager/Care Coordinator, Student in an Organized Health Care Education/Training Program, Social Worker, Clinical Social Worker, Pharmacist. Case Manager/Care Coordinator has the most providers with 3,958.
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.