NPPES file of Aug 9, 2026

Doctors and health care providers in Saint Charles, MO

1,547 individual NPPES records list a practice address in Saint Charles, 10th of 317 Missouri cities. The largest group is professional counselor: 161, 10% of the city's records, against 5% across Missouri. Page 21 of 31.

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

The 8 largest groups in Saint Charles

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Saint Charles in Missouri

  • Rank in Missouri10th of 317 cities by records
  • Share of the state1.4% of Missouri's records
  • Specialties present25 or more taxonomy codes
  • Top three groups25.2% of all records
  • Professional Counselor rank5th of the 10 Missouri cities with the most

Compared with Missouri as a whole, Saint Charles has 12.6× the state's share of registered nurse first assistant records and 0.30× its share of student in an organized health care education/training program records.

Providers in Saint Charles, alphabetically

  1. Eric Nalagan, M.D.Family Medicine Physician1033287610
  2. Marilyn Nardin, CRNFARegistered Nurse First Assistant1124289319
  3. Brittney Naumann, PHARM. D.Pharmacist1366075608
  4. Tejaswini Nayak, M.D.Internal Medicine Physician1609841303
  5. Ethel Neal, RPHPharmacist1326334822
  6. Jodi Neill, CRNACertified Registered Nurse Anesthetist1922374487
  7. David Neils, M.D.Neurological Surgery Physician1346440344
  8. Christine Neilsen, RNFARegistered Nurse First Assistant1295996635
  9. Barbara Nelson, CCC-SLPSpeech-Language Pathologist1831460013
  10. Eric Nelson, RPHPharmacist1164706388
  11. Valerie Nelson-Mason, MDObstetrics & Gynecology Physician1316986508
  12. Holly Nemec, MA, LPCProfessional Counselor1780358465
  13. Patrick Nero, M.D.Surgery Physician1558329268
  14. William Nessing, D.C.Chiropractor1407890148
  15. Kyle Neuschaefer, DDSDentist1639528540
  16. Denise NewbyMechanotherapist1750555322
  17. Heather Newman, PHARM.D.Pharmacist1285240796
  18. Mary Newsom, RN, RNFARegistered Nurse First Assistant1427387554
  19. Karen Nguy-Robertson, PHARMDPharmacist1992301535
  20. Giau NguyenProfessional Counselor1710634720
  21. Sabrina NguyenOther Technician1750269957
  22. Thao Nguyen, PHARMDPharmacist1942873849
  23. Monica Nicastro, M.S.P.TPhysical Therapist1891848677
  24. Paul Nichols, MDOphthalmology Physician1144225947
  25. Vernon Nicholson-Behnken, PLPCProfessional Counselor1174380992
  26. Kristie Nienaber, PLPCMental Health Counselor1659881191
  27. Emily Nieters, DPTPhysical Therapist1922430701
  28. Kathleen Nikodym, PAPhysician Assistant1235210162
  29. Paul NimsProfessional Counselor1518095926
  30. Christine NolleClinical Social Worker1225626740
  31. Jaime Nolle, MA, LPCProfessional Counselor1285160770
  32. Karen NolteSpeech-Language Pathologist1891966289
  33. Christopher Normile, MDFamily Medicine Physician1578530945
  34. Lisa Novotny, LPCProfessional Counselor1013697630
  35. Bethany Nunn, FNPFamily Nurse Practitioner1417301672
  36. Erin O'Bryan, DPTPhysical Therapist1669258091
  37. William O'Bryan, LAT, ATCAthletic Trainer1164956033
  38. Caroline O'ConnorClinical Social Worker1275984312
  39. Amanda O'Mara, BCBA, LBABehavior Analyst1508374067
  40. Bradley O'NealStudent in an Organized Health Care Education/Training Program1134958176
  41. Kellie Odonnell-Stockton, N.P.Nurse Practitioner1033314976
  42. Nichole Oliver, LPCProfessional Counselor1558889014
  43. Mary OlsonPharmacist1487093506
  44. Babatunde Olumide, MDInternal Medicine Physician1689771875
  45. Jessica OneilSpeech-Language Pathologist1669039632
  46. Megan OneillBehavior Technician1841132701
  47. Kristin Oparaji, MS, LPCProfessional Counselor1124791843
  48. Mary Opp, HISHearing Instrument Specialist1467712844
  49. Brandee Oppelt, MS, RD, LDRegistered Dietitian1972627222
  50. Brian Orlando, RPHPharmacist1619250545

The largest Missouri cities

  1. Saint Louis27,605
  2. Kansas City13,759
  3. Springfield6,403
  4. Columbia6,004
  5. Joplin2,443

All of Missouri →

How to read this directory

Saint Charles, Missouri appears in the CMS National Plan and Provider Enumeration System with 1,547 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 Charles - 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 Charles 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 Charles is weighted toward Professional Counselor (161 clinicians, followed by Physical Therapist with 131 and Speech-Language Pathologist with 98). 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 Charles reports roughly 25 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 Charles practice address, a coverage gap Saint Charles patients typically fill by traveling to a larger nearby hub.

For Saint Charles 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 Charles, MO?

There are 1,547 registered healthcare providers in Saint Charles, MO, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Saint Charles?

The most common specialties in Saint Charles are Professional Counselor, Physical Therapist, Speech-Language Pathologist, Clinical Social Worker, Occupational Therapist. Professional Counselor has the most providers with 161.

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.