Doctors and health care providers in Saint Louis, MO
27,605 individual NPPES records list a practice address in Saint Louis, 1st of 317 Missouri cities. The largest group is clinical social worker: 1,474, 5% of the city's records, against 5% across Missouri. Page 307 of 553.
The 8 largest groups in Saint Louis
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Saint Louis in Missouri
- Rank in Missouri1st of 317 cities by records
- Share of the state24.8% of Missouri's records
- Specialties present25 or more taxonomy codes
- Top three groups14.1% of all records
- Clinical Social Worker rank1st of the 10 Missouri cities with the most
Compared with Missouri as a whole, Saint Louis has 1.9× the state's share of diagnostic radiology physician records and 0.55× its share of family nurse practitioner records.
Providers in Saint Louis, alphabetically
- Susan Marshall, M.A., CCC-AAudiologist1457558470
- Thomas Marshall, MDStudent in an Organized Health Care Education/Training Program1912741570
- Victoria MarshallStudent in an Organized Health Care Education/Training Program1497547392
- Walter Marshall, LMFTMarriage & Family Therapist1821707464
- Elizabeth Marsicano, M.D.Gastroenterology Physician1043482375
- Phillip MartelPharmacist1629768544
- Susan Martel, LCSWClinical Social Worker1386252096
- Bret Martell, MDDiagnostic Radiology Physician1912340811
- Matthew Marten, CRNACertified Registered Nurse Anesthetist1326549320
- Andrew Martens, DMDEndodontics1275082174
- Gregory Martens, MDSurgery Physician1316201940
- Damaris Marti, CPSPeer Specialist1346910726
- Richard Martielli, PH.D.Clinical Psychologist1487858734
- Adam Martin, MDAnesthesiology Physician1760903850
- Ainsley MartinCounselor1184428229
- Alan Martin, MDEmergency Medicine Physician1396728457
- Alexandria MartinSpecialist1609225531
- Amelia MartinSpeech-Language Pathologist1003395708
- Andrea MartinPhysician Assistant1740523885
- Ann Martin, MDDermatology Physician1225056732
- Ariaynah MartinCase Manager/Care Coordinator1073326682
- Bradley Martin, MDPhysical Medicine & Rehabilitation Physician1750171112
- Brittany Martin, MDNeonatal-Perinatal Medicine Physician1992934004
- Caitlin MartinPhysical Therapist1053001651
- Carolyn Martin, M.D.Obstetrics & Gynecology Physician1669465134
- Colin Martin, MDPediatric Surgery Physician1881897726
- Daniel Martin, M.D.Specialist1710092275
- David Martin, M.D.Diagnostic Radiology Physician1760429054
- Erica Martin, APN-BCAdult Health Nurse Practitioner1265662050
- Gregrey MartinCase Manager/Care Coordinator1750061735
- Hailea Martin, MSSpeech-Language Pathologist1790617694
- Haley MartinSpeech-Language Pathologist1497271993
- James Martin, MDOtolaryngology Physician1326339045
- Jeffrey Martin, MDOrthopaedic Surgery Physician1740273796
- Jei Martin, MDInternal Medicine Physician1033104047
- Jennifer Martin, APNCritical Care Pediatric Nurse Practitioner1477392389
- Julianne MartinSpeech-Language Pathologist1386420412
- Julieann Martin, AAAnesthesiologist Assistant1235084179
- Kenedi Martin, ODOptometrist1255227567
- Kylie MartinCase Manager/Care Coordinator1770165136
- Lanisha Martin, COTA/LOccupational Therapy Assistant1477291839
- Lisa Martin, OTOccupational Therapist1497865513
- Madeline MartinPhysical Therapist1295686343
- Margaret MartinCounselor1659198968
- Mary Martin, AGACNP-BCAcute Care Nurse Practitioner1275060907
- Matthew MartinSocial Worker1891966099
- Megan Martin, MDHospitalist Physician1790047298
- Melanie Martin, COTA/LOccupational Therapy Assistant1558125740
- Nathan Martin, MDInternal Medicine Physician1952496416
- Nelda MartinCritical Care Medicine Clinical Nurse Specialist1275958738
The largest Missouri cities
- Kansas City13,759
- Springfield6,403
- Columbia6,004
- Joplin2,443
- Chesterfield2,132
How to read this directory
Saint Louis, Missouri appears in the CMS National Plan and Provider Enumeration System with 27,605 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 Saint Louis - 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 Saint Louis 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 Saint Louis is weighted toward Clinical Social Worker (1,474 clinicians, followed by Student in an Organized Health Care Education/Training Program with 1,338 and Speech-Language Pathologist with 1,083). 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 Missouri's population, Saint Louis reports roughly 445.5 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 Missouri's most common specialties, Behavior Technician is the most prominent one with no provider currently listing a Saint Louis practice address, a coverage gap Saint Louis patients typically fill by traveling to a larger nearby hub.
For Saint Louis 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 Saint Louis, MO?
There are 27,605 registered healthcare providers in Saint Louis, MO, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Saint Louis?
The most common specialties in Saint Louis are Clinical Social Worker, Student in an Organized Health Care Education/Training Program, Speech-Language Pathologist, Pharmacist, Professional Counselor. Clinical Social Worker has the most providers with 1,474.
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.