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 382 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
- Tricia PetrilloSpeech-Language Pathologist1194972703
- Courtney Petroff, RN BSNRegistered Nurse1881007912
- Emily Petroline, PHARM DPharmacist1346483328
- Giulia Eva Maria Petrone, MDMedical Oncology Physician1205321478
- Jessica Petrone, MDAnatomic Pathology & Clinical Pathology Physician1407332364
- Emiko Petrosky, M.D.Obstetrics & Gynecology Physician1235442864
- Tatyana Petrosova, MDNephrology Physician1023089562
- Robert Petrossian, MDUrology Physician1912436015
- Mirjana Petrovic Elbaz, MDHospitalist Physician1467014480
- Jack PetrucciStudent in an Organized Health Care Education/Training Program1407669435
- Orlando Petrucci, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1518333558
- Zachary Petruso, DCChiropractor1427919893
- Nicole Petrykowski, FNPFamily Nurse Practitioner1548990286
- James PettinelliFamily Psychologist1538311865
- Abby Pettinger, P.T.Physical Therapist1063848448
- Matthew Pettis, MDInternal Medicine Physician1952988347
- Phyne PettisClinical Social Worker1104704048
- Kellen Pettus, MDStudent in an Organized Health Care Education/Training Program1396634465
- Alberta PettyLicensed Psychiatric Technician1932585791
- Debbie PettyAttendant Care Provider1285357939
- Jessica Petty, PTAPhysical Therapy Assistant1063071561
- Jordan PettySpeech-Language Pathologist1689954802
- Marcella Petzchen, NPAdult Health Nurse Practitioner1255393716
- Nancy Pevnick, PTAPhysical Therapy Assistant1679752927
- Becky Pew, M.D.Psychiatry Physician1548311012
- Dorinda Peyton, LPCProfessional Counselor1417683459
- Michael PfaffCase Manager/Care Coordinator1386962488
- Jeremy Pfeffer, D.M.D.General Practice Dentistry1083888648
- Jeremy Pfeffer, RNCardiovascular Disease Physician1568307197
- Dawn Pfeffer Wright, ACNPNurse Practitioner1821085069
- Claire Pfeifer, MED., LPC, NCCCounselor1538822184
- Eric Pfeifer, ODOptometrist1205567138
- Ethan Pfeifer, MDStudent in an Organized Health Care Education/Training Program1013594472
- Hannah Pfeifer, FNPFamily Nurse Practitioner1851945869
- John Pfeifer, MDMolecular Genetic Pathology (Pathology) Physician1306864822
- Lara Pfeiffer, DPTPhysical Therapist1871375964
- Morgan Pfeiffer, MDPediatrics Physician1336872316
- Oliver PfeifferSchool Psychologist1477359982
- Paul Pfeiffer, DOEmergency Medicine Physician1821024803
- Thomas Pfeiffer, MDPediatric Hematology & Oncology Physician1922492990
- Constance Pfingstag, CNMAdvanced Practice Midwife1821128851
- Lisa Pfitzer, MDChild Abuse Pediatrics Physician1518978097
- Hannah Pfneisel, PA-CMedical Physician Assistant1700610359
- Natalie Pfremmer, AGNPFamily Nurse Practitioner1114571569
- Salil Phadnis, MDEmergency Medicine Physician1851973531
- Juee Phalak, M.D., M.P.H.Psychiatry Physician1154609733
- Andrew PhamCase Manager/Care Coordinator1609507581
- Christine Pham, MDRheumatology Physician1396853511
- Duyen Pham, DOStudent in an Organized Health Care Education/Training Program1134970700
- Phu PhamPhysical Therapist1457143588
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.