NPPES file of Aug 9, 2026

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 325 of 553.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

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

  1. Dallin Merrell, MDInternal Medicine Physician1760377287
  2. Margaret MerrellOccupational Therapist1114041720
  3. Megan MerrickSpeech-Language Pathologist1427802701
  4. Brandon MerrillOptometrist1003789736
  5. Kayla Merrill, FNPFamily Nurse Practitioner1396453106
  6. Martha Merrill-Ellebracht, PHARMDPharmacist1831794775
  7. Diane Merritt, MDGynecology Physician1437172459
  8. Elizabeth Merritt, DNP, CPNPPediatric Nurse Practitioner1558337519
  9. Ryan Merritt, DMDGeneral Practice Dentistry1073202198
  10. Samantha MerrittNurse Practitioner1881215424
  11. Timothy Merritt, LMSWSchool Social Worker1801698170
  12. Shay Merritte, DDSGeneral Practice Dentistry1477305340
  13. Anne Mersch, PT, DPTPhysical Therapist1356706105
  14. Linda MerschSpecialist1962675884
  15. Amanda Mersman, FNP-CNurse Practitioner1689263667
  16. Maureen MersmanSpeech-Language Pathologist1003073313
  17. Donna Mertens, OTR/LOccupational Therapist1174787758
  18. Marsha Mertens, M.D.Family Medicine Physician1902870025
  19. Barbara Mertins Chiodini, MDPediatric Emergency Medicine (Emergency Medicine) Physician1881798098
  20. Hayley Mertz, COTA/LOccupational Therapy Assistant1437489887
  21. Madison Mertz-EnglandMental Health Counselor1386338341
  22. John Merwin, MDAnesthesiology Physician1770562209
  23. Barbara Merz, BSN, RNRegistered Nurse1104367580
  24. Laila Merz, PH.DCognitive & Behavioral Psychologist1023156445
  25. Thishara Merza, MDHospitalist Physician1073773347
  26. Massini Merzkani, MDNephrology Physician1184985566
  27. Noy Meshulami, MDStudent in an Organized Health Care Education/Training Program1053246215
  28. Avinash Mesipam, M.D.Diagnostic Radiology Physician1427495316
  29. Gina Mesnier, RN, MSNAdult Psychiatric/Mental Health Registered Nurse1538315007
  30. Jessica MessProfessional Counselor1689297160
  31. Nicole Messenger, MDEmergency Medicine Physician1689058521
  32. Brena MesserLicensed Practical Nurse1467075085
  33. Elizabeth Messer, MDHospitalist Physician1205276698
  34. Nidia Messias, MDAnatomic Pathology & Clinical Pathology Physician1881896041
  35. Rowena Messmore DonahuePhysical Therapist1043883952
  36. Marlene Mestres, OTR-LPediatric Occupational Therapist1821212440
  37. Bailey MetcalfStudent in an Organized Health Care Education/Training Program1124825815
  38. Meredith Metcalf, MDUrology Physician1841618337
  39. Tori Metheny, BAClinical Social Worker1669950697
  40. Manasa Metireddy, MDNephrology Physician1023269701
  41. Katherine Mette, CRNACertified Registered Nurse Anesthetist1740850635
  42. Stephanie Metter, MA, LPCProfessional Counselor1811362833
  43. Amanda Metz, DNP, WHNP-BCWomen's Health Nurse Practitioner1548985385
  44. Lionel Metz, M.D.Orthopaedic Surgery Physician1518283878
  45. Brittany MetzgerRegistered Dietitian1740851641
  46. Fredric Metzger, PH.D.Clinical Psychologist1730143355
  47. Stacie Metzger, R.D., L.D.Registered Dietitian1750554408
  48. John Metzler, MDPhysical Medicine & Rehabilitation Physician1235156712
  49. Marina Metzler, DONeonatal-Perinatal Medicine Physician1235768441
  50. Matthew MetzlerMedical-Surgical Registered Nurse1043070972

The largest Missouri cities

  1. Kansas City13,759
  2. Springfield6,403
  3. Columbia6,004
  4. Joplin2,443
  5. Chesterfield2,132

All of Missouri →

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.