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 309 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
- Jonna Mason, LCSWClinical Social Worker1851381149
- Mary Mason, MDGeneral Practice Physician1093844540
- Shontavia Mason, LPCProfessional Counselor1245013382
- Susan Mason, PCNSPediatric Clinical Nurse Specialist1528413119
- Manar Masood, AAAnesthesiologist Assistant1598596736
- Muhammad Masood, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1306166327
- Katherine Massa, MDMaternal & Fetal Medicine Physician1205272341
- Sean Massa, MDOtolaryngology Physician1336586809
- Katina MassadStudent in an Organized Health Care Education/Training Program1790584472
- Leslie Massad, MDGynecologic Oncology Physician1366423360
- Reyanna Massaquoi, MDNeurology Physician1417330531
- Emily Massaro, P.A.Surgical Physician Assistant1770765950
- Aamer Massay, PA-CPhysician Assistant1184973075
- Kimberly Massey, MDPediatric Emergency Medicine (Pediatrics) Physician1659683803
- Maria Massey, PLPCProfessional Counselor1265078158
- Robyn Massey, CPNPPediatric Nurse Practitioner1992350565
- Brianna Massie, LCSWClinical Social Worker1114391174
- Charles Massie, LPC, LCPCProfessional Counselor1013369628
- Robert Massie, DDSDentist1619961612
- Jennifer MassiminoPediatric Physical Therapist1649840711
- Kate Massman, RDPediatric Nutrition Registered Dietitian1255261525
- Carol Massmann, PNPNurse Practitioner1598782013
- Roxanna Masso MaldonadoStudent in an Organized Health Care Education/Training Program1952243594
- Sarah Masson, LMSWClinical Social Worker1578383444
- Jennifer Massoni, ANPNurse Practitioner1629092408
- Thomas Massutti, MDDiagnostic Radiology Physician1114587904
- Anna MastersSpeech-Language Pathologist1962122366
- Chelsea Masters, FNP-CFamily Nurse Practitioner1639544737
- Jenna Masters, MAProfessional Counselor1003587635
- Laura Masters, P.T.Physical Therapist1396059135
- Julie Mastnak, PH.D.Clinical Psychologist1962685826
- Eric Mastrolonardo, MDOtolaryngology Physician1376122101
- Abdullah Masud, M.D.Hospitalist Physician1053845321
- Viviana Mata, DCChiropractor1043102403
- Andres Mata Hidalgo, MDHospitalist Physician1033795802
- Christine MatayaSpeech-Language Pathologist1437712478
- Kirby MatejaStudent in an Organized Health Care Education/Training Program1871295444
- Lukas Matern, MDCritical Care Medicine (Anesthesiology) Physician1952894149
- Nevin MathaiDentist1558921858
- Susan Matheis, LPCCounselor1295271708
- Laura Matheny, OTRLOccupational Therapist1235324807
- Kavitha Mathew, MDCritical Care Medicine (Anesthesiology) Physician1750563755
- Moye Mathew, DOInternal Medicine Physician1063932986
- Shakila Mathew, DOHospitalist Physician1144458126
- Sonia MathewStudent in an Organized Health Care Education/Training Program1366957391
- Stanley MathewStudent in an Organized Health Care Education/Training Program1730979816
- Suresh Mathew, MDNephrology Physician1922070614
- Yamuna Mathew, DDSGeneral Practice Dentistry1427102300
- Jennifer Mathews, PH.D.Clinical Neuropsychologist1851621296
- Katherine Mathews, MDObstetrics Physician1891860383
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.