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 2 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. Madina AhmadiBehavior Technician1538083803
  2. Ji Won Ahn, MDMOHS-Micrographic Surgery Physician1023460243
  3. Taejoon Ahn, M.D.Family Medicine Physician1639198757
  4. Kajol AhujaBehavior Technician1235741877
  5. Victoria AhumadaBehavior Technician1255014205
  6. Derek Ailes, M.D.Emergency Medical Services (Emergency Medicine) Physician1992001804
  7. David Aimar, DDSEndodontics1548363096
  8. Selena AinzaBehavior Technician1083188528
  9. Amy Aiyegbusi, IBCLCLactation Consultant (Registered Nurse)1275204067
  10. Adeyoyi AjimatanrarejeBehavior Technician1881318095
  11. Simone AkaySpeech-Language Pathologist1316581374
  12. Padmalatha Akkireddi, M.D.Psychiatry Physician1881869659
  13. Angelina AkopyanBehavior Technician1982251781
  14. Suzy Aksu, M. ED.Marriage & Family Therapist1093914889
  15. Most AkterBehavior Technician1669354072
  16. Tahani Al RawashdehBehavior Technician1821870478
  17. Akua Al-HassanBehavior Technician1518647536
  18. Nahla Alabbas, PHARM DPharmacist1740645977
  19. Belis Aladag, MD, MPH, FASAMAddiction Medicine (Family Medicine) Physician1295994275
  20. Jessica AlarconBehavior Technician1093453763
  21. Kailani Alarva-TorresBehavior Technician1457182552
  22. Munira AlatualiBehavior Technician1760234264
  23. Nadia AlazzehPhysical Therapist1508612870
  24. Juliana Albarran CortezBehavior Technician1326812025
  25. Anthony Alberding, M.A., BCBABehavior Analyst1629330501
  26. James Albertson, DPTOrthopedic Physical Therapist1558919944
  27. Kamaehu AlboroBehavior Technician1093299794
  28. Perpetualyn AlcalaBehavior Analyst1740710987
  29. Imani AlcantaraBehavior Technician1457826547
  30. Haley AlcaydeBehavior Technician1760081970
  31. Mylene Alcayde, DOStudent in an Organized Health Care Education/Training Program1700632973
  32. Andre Alcon, M.D.Plastic Surgery Physician1134513500
  33. Mona AldabashiMental Health Counselor1114367406
  34. Alexa AlejandreBehavior Technician1295595429
  35. Vitas Alekna, MDOphthalmology Physician1770661860
  36. Irina AlekseyevaBehavior Technician1578132452
  37. Nicole Alexander, NPNurse Practitioner1619622479
  38. Tia AlexanderBehavior Technician1346178944
  39. Viviane Alfandary, M.D.Internal Medicine Physician1053338095
  40. Cherlyn Alferos, FNPFamily Nurse Practitioner1568155430
  41. Robert Algar, MDNeurology Physician1750343729
  42. Sharmin AliFamily Nurse Practitioner1164996112
  43. Ali Alijanian, DDSOral and Maxillofacial Surgery (Dentist)1609935071
  44. Noor AljanabiGeneral Practice Dentistry1013639814
  45. Jacqueline Alkire, NPAdult Health Nurse Practitioner1902890114
  46. Yousuf Allawala, M.D.Psychiatry Physician1497709810
  47. Catherine Allen, PHDStudent in an Organized Health Care Education/Training Program1528577533
  48. Deja AllenBehavior Technician1568005148
  49. Eva AllenGastroenterology Registered Nurse1538365093
  50. Hailey AllenAssistant Behavior Analyst1447720685

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.