NPPES file of Aug 9, 2026

Doctors and health care providers in Denver, CO

25,068 individual NPPES records list a practice address in Denver, 1st of 193 Colorado cities. The largest group is clinical social worker: 1,836, 7% of the city's records, against 5% across Colorado. Page 349 of 502.

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

The 8 largest groups in Denver

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

Denver in Colorado

  • Rank in Colorado1st of 193 cities by records
  • Share of the state16.8% of Colorado's records
  • Specialties present25 or more taxonomy codes
  • Top three groups18.1% of all records
  • Clinical Social Worker rank1st of the 10 Colorado cities with the most

Compared with Colorado as a whole, Denver has 1.8× the state's share of psychiatry physician records and 0.39× its share of behavior technician records.

Providers in Denver, alphabetically

  1. Amanda Peterson, CATAddiction (Substance Use Disorder) Counselor1730953183
  2. Britney PetersonMarriage & Family Therapist1922417104
  3. Candace PetersonRegistered Nurse1730461195
  4. Cassandra Peterson, LPCProfessional Counselor1235845884
  5. Cheri Peterson, PT, DPT, CSCS, CFCPhysical Therapist1124072954
  6. Christa Peterson, RNRegistered Nurse1548404106
  7. Cynthia Peterson, LSWClinical Social Worker1275372591
  8. Elizabeth Peterson, PSYDClinical Psychologist1386955680
  9. Eric Peterson, MDFamily Medicine Physician1639179989
  10. Hillary Peterson, OTROccupational Therapist1366633158
  11. Jennifer PetersonMental Health Counselor1154574705
  12. John Peterson, O.D.Optometrist1366738486
  13. Jolynda PetersonClinical Social Worker1629411434
  14. Karen Peterson, MDInfectious Disease Physician1376659839
  15. Karen PetersonRegistered Nurse1326438516
  16. Kristin PetersonClinical Social Worker1477097665
  17. Lacey PetersonOther Technician1659745826
  18. Lauren PetersonPediatric Occupational Therapist1467855510
  19. Lisa PetersonSpeech-Language Pathologist1578344065
  20. Marie Peterson, PA-CPhysician Assistant1407405152
  21. Matthew Peterson, O.D.Optometrist1760796866
  22. Melissa Peterson, RBTBehavior Technician1326646159
  23. Nathan Peterson, D.C.Chiropractor1992043012
  24. Pamela Peterson, MDCardiovascular Disease Physician1396851853
  25. Rachel Peterson, MDStudent in an Organized Health Care Education/Training Program1922757418
  26. Riley Peterson, RDNRegistered Dietitian1881205003
  27. Sarah Peterson, LPCProfessional Counselor1134066202
  28. Sharon Peterson, FNPFamily Nurse Practitioner1740683572
  29. Sonya Peterson, RDHDental Hygienist1417351248
  30. Spencer Peterson, M.D.Hospitalist Physician1740426048
  31. Wendy Peterson, M.D.Surgery Physician1104956945
  32. Heather PetitmermetPhysician Assistant1235094350
  33. Brittny PetmansonPharmacist1790462224
  34. Irina Petrache, MDPulmonary Disease Physician1801851365
  35. Betty Petrak-Ron, M.D.Internal Medicine Physician1750329744
  36. Jennifer PetrellaCase Manager/Care Coordinator1306600101
  37. Michael PetrelliClinical Psychologist1710377254
  38. Ashleigh Petrick, LCSW, MSWSocial Worker1912660994
  39. Adrienne PetrieCounselor1902212954
  40. Janna Petrie, REGISTERED NURSERegistered Nurse1720478258
  41. Michelle PetrieCase Manager/Care Coordinator1154667699
  42. Ellen Petrilla, O.D.Optometrist1831148717
  43. Cassandra PetrilloPediatric Rehabilitation Medicine Physician1326771007
  44. Mia PetrocelliBehavior Technician1215513718
  45. Melissa Petros, RNRegistered Nurse1831491216
  46. Kristina Petrosino, RDHDental Hygienist1144701053
  47. Mary Elaine PetrucciSpeech-Language Pathologist1477828507
  48. Erin Petrush, OTD, OTR/LOccupational Therapist1730850025
  49. Mandy Petry, PA-CPhysician Assistant1578968236
  50. Renate PettersBehavior Technician1992320428

The largest Colorado cities

  1. Colorado Springs19,771
  2. Aurora17,400
  3. Fort Collins6,928
  4. Boulder5,635
  5. Lakewood4,944

All of Colorado →

How to read this directory

Denver, Colorado appears in the CMS National Plan and Provider Enumeration System with 25,068 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 Denver - 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 Denver 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 Denver is weighted toward Clinical Social Worker (1,836 clinicians, followed by Mental Health Counselor with 1,587 and Professional Counselor with 1,126). 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 Colorado's population, Denver reports roughly 426.5 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.

For Denver 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 Denver, CO?

There are 25,068 registered healthcare providers in Denver, CO, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Denver?

The most common specialties in Denver are Clinical Social Worker, Mental Health Counselor, Professional Counselor, Registered Nurse, Behavior Technician. Clinical Social Worker has the most providers with 1,836.

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.