NPPES file of Aug 9, 2026

Doctors and health care providers in Boulder, CO

5,635 individual NPPES records list a practice address in Boulder, 5th of 193 Colorado cities. The largest group is mental health counselor: 1,009, 18% of the city's records, against 6% across Colorado. Page 10 of 113.

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

The 8 largest groups in Boulder

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

Boulder in Colorado

  • Rank in Colorado5th of 193 cities by records
  • Share of the state3.8% of Colorado's records
  • Specialties present25 or more taxonomy codes
  • Top three groups29.4% of all records
  • Mental Health Counselor rank2nd of the 10 Colorado cities with the most

Compared with Colorado as a whole, Boulder has 3.9× the state's share of acupuncturist records and 0.47× its share of behavior technician records.

Providers in Boulder, alphabetically

  1. Emily BlackMental Health Counselor1649650987
  2. Emma Black, MS, RDNRegistered Dietitian1033916887
  3. Johanna Black, MSW, LCSWClinical Social Worker1174908099
  4. Sandra BlackCounselor1437663432
  5. Tracey BlackProfessional Counselor1326551748
  6. Adriana BlackerMental Health Counselor1235462201
  7. Juliet BlackfeatherMental Health Counselor1508274887
  8. Isabelle Blackwell, MAClinical Social Worker1952861825
  9. Jack BlackwellMental Health Counselor1417473190
  10. Cheryl Blackwood, PA-CPhysician Assistant1750713095
  11. Clint Brian Blackwood, MDOrthopaedic Surgery Physician1508905506
  12. Liberty BladesBehavior Technician1124734462
  13. Francie Blair, MSW, LSW, ADDCSocial Worker1306609904
  14. Jason Blalack, L.AC., M.S.Acupuncturist1619921798
  15. Katrina Blalack, L.AC.Acupuncturist1538607189
  16. Mercy Blalock, DMDDentist1144709494
  17. Chelsea Blanchard, MSP, CCC-SLPSpeech-Language Pathologist1578070678
  18. William Blanchet, MDInternal Medicine Physician1659466837
  19. Natalia BlanchfieldMental Health Counselor1275209082
  20. Brian BlanckMassage Therapist1114278314
  21. Michelle BlantonSpeech-Language Pathologist1861931669
  22. Esther Blazon, MAMental Health Counselor1467672154
  23. Michele Bliss, PTPhysical Therapist1184780991
  24. Joan Block, MA, LMFTCounselor1356675904
  25. Carrie BloethnerAddiction (Substance Use Disorder) Counselor1689084238
  26. Marsden Blois, MDAdvanced Heart Failure and Transplant Cardiology Physician1215938683
  27. Jill Blomer, MEDICAL RECEPTIONISTSpecialist1174739635
  28. Matthew Blomquist, M.D.Diagnostic Radiology Physician1487629036
  29. Ilyse Bloom, LMFTMarriage & Family Therapist1821662396
  30. Annette BlumPharmacist1205403649
  31. Beatriz Blum, LMFTMarriage & Family Therapist1609991769
  32. Evan Blumenthal, OTR/LOccupational Therapist1285302026
  33. Boroka Bo, LACAcupuncturist1104153089
  34. Jennifer Bobrow, PTPhysical Therapist1427697135
  35. S. Bock, M.D.Specialist1760429153
  36. Celia Bockhoff, L.C.S.W.Clinical Social Worker1598954240
  37. Laura Bodmer, LMSWClinical Social Worker1649059171
  38. Ann Bodnar, M.A.Mental Health Counselor1124151519
  39. Ellen Boeder, M.A., LPCProfessional Counselor1154651347
  40. Tami Boehle-Satterfield, LCSW-CClinical Social Worker1811445539
  41. Vanessa BoehmAddiction (Substance Use Disorder) Counselor1508377904
  42. Annamaria Boehms, M. A.Mental Health Counselor1720311764
  43. Jennifer Boensch, M.A.Cognitive & Behavioral Psychologist1497918494
  44. Laura BoersmaMental Health Counselor1699167320
  45. Thomas Bogan, DDSGeneral Practice Dentistry1215012042
  46. Justin Bogardus, LPCCMental Health Counselor1518832542
  47. John BohannanPeer Specialist1780430520
  48. Julie BohlerMental Health Counselor1124418124
  49. Abigail BohnBehavior Technician1972255222
  50. Tamara Bohren, DCChiropractor1700595055

The largest Colorado cities

  1. Denver25,068
  2. Colorado Springs19,771
  3. Aurora17,400
  4. Fort Collins6,928
  5. Lakewood4,944

All of Colorado →

How to read this directory

Boulder, Colorado appears in the CMS National Plan and Provider Enumeration System with 5,635 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 Boulder - 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 Boulder 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 Boulder is weighted toward Mental Health Counselor (1,009 clinicians, followed by Professional Counselor with 334 and Clinical Social Worker with 316). 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, Boulder reports roughly 95.9 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 Colorado's most common specialties, Student in an Organized Health Care Education/Training Program is the most prominent one with no provider currently listing a Boulder practice address, a coverage gap Boulder patients typically fill by traveling to a larger nearby hub.

For Boulder 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 Boulder, CO?

There are 5,635 registered healthcare providers in Boulder, CO, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Boulder?

The most common specialties in Boulder are Mental Health Counselor, Professional Counselor, Clinical Social Worker, Physical Therapist, Behavior Technician. Mental Health Counselor has the most providers with 1,009.

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.