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 19 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. Amy Melik-Israyelyan, H.I.S.Hearing Instrument Specialist1194962928
  2. Rita Menart, LMHCMental Health Counselor1417223363
  3. Meagan Menken, ARNPFamily Nurse Practitioner1043567514
  4. Richard Menning, MDCardiovascular Disease Physician1932152238
  5. Nicole Menuey, ARNPFamily Nurse Practitioner1013272517
  6. Niki Mercado, LMSWSocial Worker1396444378
  7. Laura Merron, M.D.Family Medicine Physician1588975361
  8. Kathleen Merry, ARNPNurse Practitioner1306821160
  9. Emily MetcalfMusic Therapist1467343723
  10. Maria Metcalf, ARNPFamily Nurse Practitioner1972822393
  11. Benjamin MeyerPharmacist1619656774
  12. Stephen Meyer, DPMPodiatrist1255060125
  13. Jeff Mickey, T-LMFTMarriage & Family Therapist1134900079
  14. C Mikelson, DDSGeneral Practice Dentistry1831101427
  15. Katie MildenDentist1780996264
  16. Adrian Miller, FNPFamily Nurse Practitioner1306516513
  17. Alexis Miller, CADCAddiction (Substance Use Disorder) Counselor1417689340
  18. Daniel Miller, MDOphthalmology Physician1427098466
  19. Jennifer Miller, CADCAddiction (Substance Use Disorder) Counselor1952271033
  20. Kent Miller, D.O.Internal Medicine Physician1265418552
  21. Krista Miller, CNMAdvanced Practice Midwife1033840731
  22. Maddelynn MillerBehavior Technician1548128093
  23. Margaret Miller, LISWSocial Worker1760581649
  24. Michala MillerStudent in an Organized Health Care Education/Training Program1235968322
  25. Nicole Miller, ARNPFamily Nurse Practitioner1235616293
  26. Jodi Mills, PHARM D, R. PH.Pharmacist1386853083
  27. Joan Mister, RNPsychiatric/Mental Health Registered Nurse1841076528
  28. Christine Mitchell, PA-CPhysician Assistant1578085429
  29. Krystyna Mitchell, RNCritical Care Medicine Registered Nurse1811756976
  30. Patti MohlingAddiction (Substance Use Disorder) Counselor1811461411
  31. Bobbi-Jo Molokken, LISW, IADCClinical Social Worker1124466305
  32. Ashley Monroe, ARNPNurse Practitioner1326338724
  33. Mackenzie Monroe, PHARMDPharmacist1689018996
  34. Zahra Moor, PHARMDPharmacy Technician1386373231
  35. David Moore, MA, LMHCMental Health Counselor1053077966
  36. Joshua Morano, MT-BCMusic Therapist1225753148
  37. Luiz Gustavo Moreira Costa, MDAnesthesiology Physician1386137446
  38. Haley Morrison, PHARMDPharmacist1992471379
  39. Miranda MorseMusic Therapist1568177137
  40. Caitlin Mostek, CNM, ARNP, MSNAdvanced Practice Midwife1740051218
  41. Robert Mott, D.O.Emergency Medicine Physician1720078165
  42. Garold Moyer, MDFamily Medicine Physician1154366904
  43. Marcia Mullikin, M.A.Mental Health Counselor1124090527
  44. Carmen Mundt, ARNPNurse Practitioner1912381443
  45. Suzanne Munns, MDFamily Medicine Physician1386868115
  46. Kelly Murillo, AU.D.Audiologist1659059863
  47. Jamiee Murphy, LMHCMental Health Counselor1619547338
  48. Meegan Murray, BS, TCADCAddiction (Substance Use Disorder) Counselor1770011421
  49. Jayalakshmi Murugaian, MDFamily Medicine Physician1215915483
  50. Shadi Mustafa, MDFamily Medicine Physician1508356460

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.