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 120 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
- Brian Dieckgraefe, MDGastroenterology Physician1295751428
- Sherilyn DieckhausSpeech-Language Pathologist1578694774
- Elizabeth Diehl, M.D.Pediatrics Physician1063430940
- Karen Diehl, CPNPPediatric Nurse Practitioner1124126164
- Morgan Diehl, PLPCMental Health Counselor1518849652
- Christine Diekman, OTRSpecialist1578691291
- Constance Diekman, RDRegistered Dietitian1952455198
- Annette Diekmann, PTAPhysical Therapy Assistant1659632149
- David Diemer, MDDiagnostic Radiology Physician1669494241
- Kathryn Diemer, MDEndocrinology, Diabetes & Metabolism Physician1891713590
- Karen Diemert, MSW, ACSW, LCSWClinical Social Worker1396770954
- Paige Diepenbrock, ODOptometrist1962070235
- Amanda Diercks, N.P.Nurse Practitioner1679946156
- Ethan Diestler, CRNACertified Registered Nurse Anesthetist1700732807
- Patrick DieterProfessional Counselor1679318372
- Karissa Dieterich, PHARM DPharmacist1295601623
- Constance Dietrick, LCSWClinical Social Worker1649838020
- Morgan DietzSocial Worker1285303818
- Judith Dietzler, RPHPharmacist1003899956
- Nicole Difani, MS, RD, LDRegistered Dietitian1972878114
- Janet Diffey, ANP-BCNurse Practitioner1083990535
- Colin Diffie, MDRheumatology Physician1942616404
- Michael DiffleyStudent in an Organized Health Care Education/Training Program1871097998
- Amber Digges, LPNLicensed Practical Nurse1205697174
- Gloria Diggs, LCSWClinical Social Worker1659635456
- Linda Diggs, MSWClinical Social Worker1487090486
- Stephanie Diggs, MDNeonatal-Perinatal Medicine Physician1174044739
- Tiffany Diggs, LCSWClinical Social Worker1063908333
- Marissa Digregorio, DNP, AGNPAdult Health Nurse Practitioner1700561321
- Hanan Dihowm, MDHospitalist Physician1346592383
- Sherryl Dilallo, AGNPAcute Care Nurse Practitioner1619993839
- Ana Dilber, MA LPCCounselor1396180915
- Marie Dilg, LCSWClinical Social Worker1699042275
- Kelsi Dilger, PT, DPTPhysical Therapist1477381499
- Christine Dill, FNP-BCFamily Nurse Practitioner1285176297
- Shirley Dillard, DMDGeneral Practice Dentistry1114138260
- Teresa Dillard, PNPNurse Practitioner1689830168
- Kelly Diller, LPC, MACMental Health Counselor1366707226
- Molly Dilley, PA-CPhysician Assistant1770791386
- Katrina DillonHome Health Aide1184287930
- Lauren Dillon, AAAnesthesiologist Assistant1477933992
- Patrick Dillon, MDPediatric Surgery Physician1649296948
- Jamie Dilorenzo - Lohman, LCSWClinical Social Worker1992373054
- Duane Dilworth, DDSPublic Health Dentistry1427221688
- Duane Dilworth, M.D.Dermatology Physician1730507617
- Ann Dimaio, MDPediatric Emergency Medicine (Pediatrics) Physician1811908353
- Tiana Dimasi, MDPsychiatry Physician1437893229
- Victoria Dimuro, PLPCMental Health Counselor1598631509
- Christopher DimzaStudent in an Organized Health Care Education/Training Program1548905276
- Bethanie Dinan, P.A.Physician Assistant1568682375
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.