NPPES file of Aug 9, 2026

Doctors and health care providers in Walnut Creek, CA

6,170 individual NPPES records list a practice address in Walnut Creek, 23rd of 812 California cities. The largest group is behavior technician: 1,764, 29% of the city's records, against 18% across California. Page 11 of 124.

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

The 8 largest groups in Walnut Creek

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

Walnut Creek in California

  • Rank in California23rd of 812 cities by records
  • Share of the state0.6% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups37.6% of all records

Compared with California as a whole, Walnut Creek has 3.5× the state's share of hospitalist physician records and 0.39× its share of mental health counselor records.

Providers in Walnut Creek, alphabetically

  1. Ross Biondo, R.PH.Oncology Pharmacist1245390632
  2. David Birdsall, M.D.Emergency Medicine Physician1164445615
  3. Marian Birdsall, MDPediatrics Physician1235142613
  4. Brian BischoffOrthopedic Physical Therapist1518740034
  5. Erin Bishop, D.C.Chiropractor1316391824
  6. Nico BishopAcupuncturist1528498946
  7. Brianna BlackBehavior Technician1770210759
  8. Nyla BlackmanBehavior Technician1811783673
  9. Juana BlackwellBehavior Technician1669938759
  10. Kaitlyn BlairBehavior Technician1578365730
  11. Daniel BlanchardPhysical Therapist1104462852
  12. Flordeliza BlanchardBehavior Technician1013570316
  13. Clayton Bland, BCBABehavior Analyst1720435167
  14. Hannah Blank, PHARM.D.Pharmacist1114384062
  15. Mariela Blas OrtegaBehavior Technician1932678927
  16. Jennifer Blattner, CNM, RNRegistered Nurse1447313184
  17. Joy Bloch, M.D.Internal Medicine Physician1740363167
  18. Pamela Bloch, MS, CCC-SLPSpeech-Language Pathologist1679076830
  19. Trina BlockPhysical Therapist1396325429
  20. Renee BloiseBehavior Analyst1215819727
  21. Courtnay Bloomer, M.D.Neuroradiology Physician1093764565
  22. Jessica BloomsterBehavior Technician1831870880
  23. Nicholas BlountBehavior Technician1720581747
  24. Jennifer Blum, PSYDClinical Psychologist1366820474
  25. Kimberly Blumberg, M.DDiagnostic Radiology Physician1316979925
  26. Isabella BluminBehavior Technician1932716115
  27. Wendy BoBehavior Technician1588581763
  28. Douglas Boakye, DOHospitalist Physician1407974249
  29. Sean Boatright, C.P.Prosthetist1841562816
  30. Eugene Bobroff, MDOrthopaedic Surgery Physician1972681070
  31. Amy BodeCertified Registered Nurse Anesthetist1083763544
  32. Mary Boegel, M.D.Adult Medicine Physician1437277282
  33. Jamie BoerOrthotic Fitter1316134679
  34. Christine BoeschStudent in an Organized Health Care Education/Training Program1376186239
  35. Amy BoggsBehavior Technician1780145623
  36. Leila Bogner, LMFTMarriage & Family Therapist1548004518
  37. Danielle Bohan, PA-CSurgical Physician Assistant1932824679
  38. Kacie Bohlmann, MASpeech-Language Pathologist1134710239
  39. Pamela Bohrer, MDOtolaryngology Physician1497839476
  40. Noam BoiarskyBehavior Technician1558234864
  41. Ileana Boitor, MDPsychiatry Physician1245485242
  42. Negar Boloorchi, D.D.S.Dentist1619126943
  43. Cindy Bolter, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1245459544
  44. Leigh Bolton, NPNurse Practitioner1679192561
  45. Robin Bon, NPGerontology Nurse Practitioner1104998103
  46. Kristen BondBehavior Technician1104569110
  47. McKenna Bond, DCChiropractor1588462246
  48. Laura Bondonno, M.F.T.Marriage & Family Therapist1326341942
  49. Abigail Bondy, MDStudent in an Organized Health Care Education/Training Program1073307088
  50. Freyja Bone-Rundle, RBTBehavior Technician1477045623

The largest California cities

  1. Los Angeles69,537
  2. San Diego52,937
  3. San Francisco38,143
  4. Sacramento33,083
  5. San Jose20,925

All of California →

How to read this directory

Walnut Creek, California appears in the CMS National Plan and Provider Enumeration System with 6,170 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 Walnut Creek - 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 Walnut Creek 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 Walnut Creek is weighted toward Behavior Technician (1,764 clinicians, followed by Marriage & Family Therapist with 315 and Pharmacist with 239). 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 California's population, Walnut Creek reports roughly 15.8 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 California's most common specialties, Student in an Organized Health Care Education/Training Program is the most prominent one with no provider currently listing a Walnut Creek practice address, a coverage gap Walnut Creek patients typically fill by traveling to a larger nearby hub.

For Walnut Creek 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 Walnut Creek, CA?

There are 6,170 registered healthcare providers in Walnut Creek, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Walnut Creek?

The most common specialties in Walnut Creek are Behavior Technician, Marriage & Family Therapist, Pharmacist, Behavior Analyst, Internal Medicine Physician. Behavior Technician has the most providers with 1,764.

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.