NPPES file of Aug 9, 2026

Doctors and health care providers in Waterloo, IA

1,512 individual NPPES records list a practice address in Waterloo, 6th of 215 Iowa cities. The largest group is pharmacist: 115, 8% of the city's records, against 7% across Iowa. Page 28 of 31.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Waterloo in Iowa

  • Rank in Iowa6th of 215 cities by records
  • Share of the state3.2% of Iowa's records
  • Specialties present25 or more taxonomy codes
  • Top three groups20.1% of all records
  • Pharmacist rank5th of the 10 Iowa cities with the most

Compared with Iowa as a whole, Waterloo has 16.8× the state's share of music therapist records and 0.45× its share of chiropractor records.

Providers in Waterloo, alphabetically

  1. Stefanie Swinton, DPTPhysical Therapist1538424874
  2. Himanshu Tandon, M.D.Cardiovascular Disease Physician1952501918
  3. Steven TarrFamily Medicine Physician1609812387
  4. Jessica TasseyMusic Therapist1558222067
  5. Kayla Tatroe, PHARMDPharmacist1538621628
  6. Danae Taylor, MT-BCMusic Therapist1194599415
  7. Michelle Taylor, M.S. MHCMental Health Counselor1891088639
  8. Tom Taylor, DVMSpecialist1518460666
  9. Kaitlin Tegeler, ARNP, FNP-CNurse Practitioner1780338343
  10. Karl Terwilliger, MDAnesthesiology Physician1669426060
  11. Mattie Testroet, ARNPNurse Practitioner1356723399
  12. Craig Thielen, PTPhysical Therapist1942254719
  13. Emily Thilges, LMSWClinical Social Worker1104654276
  14. Linda Thode, R.D.Registered Dietitian1295005254
  15. Maddison Thoma, PHARMDPharmacist1235977125
  16. Shannon Thoma, ARNPNurse Practitioner1417601576
  17. Neelam ThomasPsychiatric/Mental Health Nurse Practitioner1598311656
  18. Kathryn Thompson, M.A.Audiologist1144234220
  19. Tricia ThompsonNurse Practitioner1295703593
  20. Amy Thurm, ARNPFamily Nurse Practitioner1063896629
  21. Rachel Thurm, PHARMDPharmacist1407472541
  22. Travis Tidwell, DPMPodiatrist1043627292
  23. Sean Tiedt, DPT, CSCSPhysical Therapist1548689714
  24. Dennis Tieszen, ODOptometrist1952452831
  25. Carol Tjaden, LMSW,IADCAddiction (Substance Use Disorder) Counselor1508345455
  26. Sarah Tomlin, TLMHCMental Health Counselor1386411569
  27. Lindy Tommasin, ARNPFamily Nurse Practitioner1245592393
  28. Jon Towley, MSWSocial Worker1619905825
  29. Angela Townsend, MDPediatrics Physician1508846007
  30. Chalis Treloar, AU.D., CCC-A, FAAAAudiologist1235484015
  31. Jessica Troyna, CNMAdvanced Practice Midwife1992334510
  32. Destanie Truman, PHARMDPharmacist1437989282
  33. Joe Trumbley, CADCAddiction (Substance Use Disorder) Counselor1770174492
  34. Tu TruongBehavior Analyst1902385339
  35. Kelly Tse, MDFamily Medicine Physician1386096741
  36. Kayleen TurnisSpeech-Language Pathologist1043704463
  37. William Tveite, R. PH.Pharmacist1750713681
  38. Assumpta Twekise, MDObstetrics & Gynecology Physician1972950079
  39. Laura Ubben, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1366019697
  40. Md Alal Uddin, M.DPhysical Medicine & Rehabilitation Physician1174085534
  41. Ashley UhlenhoppMental Health Counselor1851120257
  42. Esther Ulrich, LMHC,, M.A.Mental Health Counselor1790051332
  43. Rajani Uppala, MDPediatrics Physician1013313576
  44. Destiny UttechtMusic Therapist1922812262
  45. Richard Valente, MDCardiovascular Disease Physician1760464077
  46. Thomas Valentine, MT-BCMusic Therapist1144165077
  47. Deborah Van Dyke, ARNP-BCFamily Nurse Practitioner1306873948
  48. Jessica Van Dyke, ARNPNurse Practitioner1902638620
  49. Cescily Vance, MT-BCMusic Therapist1205683588
  50. Lance Vanderloo, D.C.Chiropractor1003817305

The largest Iowa cities

  1. Iowa City7,163
  2. Des Moines5,538
  3. Cedar Rapids2,949
  4. West Des Moines2,201
  5. Davenport2,058

All of Iowa →

How to read this directory

Waterloo, Iowa appears in the CMS National Plan and Provider Enumeration System with 1,512 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 Waterloo - 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 Waterloo 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 Waterloo is weighted toward Pharmacist (115 clinicians, followed by Nurse Practitioner with 96 and Family Medicine Physician with 93). 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 Iowa's population, Waterloo reports roughly 47.1 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 Iowa's most common specialties, Occupational Therapist is the most prominent one with no provider currently listing a Waterloo practice address, a coverage gap Waterloo patients typically fill by traveling to a larger nearby hub.

For Waterloo 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 Waterloo, IA?

There are 1,512 registered healthcare providers in Waterloo, IA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Waterloo?

The most common specialties in Waterloo are Pharmacist, Nurse Practitioner, Family Medicine Physician, Clinical Social Worker, Mental Health Counselor. Pharmacist has the most providers with 115.

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.