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 86 of 124.
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
- Earle Paynton, D.C.Chiropractor1952470916
- Hadley Pearson, MDDermatology Physician1306334586
- Kelly PearsonBehavior Technician1598272031
- Everett PeatanBehavior Technician1871488262
- Matthew Pecci, M.D.Sports Medicine (Family Medicine) Physician1699749754
- Eva Pecha, OTROccupational Therapist1689305179
- Lindsey Peck, BCBABehavior Analyst1114812823
- Valerie Peckham, LVNLicensed Vocational Nurse1417461773
- Stephanie PedenBehavior Technician1275012478
- Nadezhda Peeva, ASSOCIATE MFTMarriage & Family Therapist1588376222
- Alexander Pekurovsky, MDPain Medicine (Anesthesiology) Physician1386930600
- Rayna PelleyBehavior Technician1548876832
- Jonelle Donica Pelobello, NPFamily Nurse Practitioner1700510096
- Brian PenaBehavior Analyst1669100756
- Lysandra PenaBehavior Technician1396672242
- June Peng, MDSurgical Oncology Physician1124321252
- Alex PennDiagnostic Radiology Physician1972881159
- Valerie PennebakerSchool Psychologist1932039203
- Abigail PerezSpecialist1700516101
- Andrea PerezBehavior Technician1427911486
- Ariany PerezBehavior Technician1922943810
- Delaney PerezBehavior Technician1740811991
- Leslie PerezBehavior Technician1083186241
- Raquel PerezBehavior Technician1669088019
- Sonia Perez-QuezadaBehavior Technician1053184838
- Anthony Peri, DPTSports Physical Therapist1467304881
- Gabriella Perko Esteban, CNMMidwife1477252575
- Chi Perlroth, MDEmergency Medicine Physician1912111873
- Joshua Perlroth, M.D.Infectious Disease Physician1881807006
- Harmony PernaBehavior Technician1033939178
- Lauren Perotti, MAMental Health Counselor1750552121
- Hilary Perr, M.D.Pediatrics Physician1407887243
- Caroline Perry, MDNeurology Physician1548279821
- Courtney Perry, PA-CPhysician Assistant1275003204
- Jamee PerryBehavior Technician1396562138
- Daniel Pestana, D.D.S.Dentist1780609545
- Aaron PeterBehavior Technician1003637166
- Daniel Peters, PH.D.Psychologist1548312275
- Johannes Peters, MDAnesthesiology Physician1194752527
- Kate Petersen, PSY.DClinical Psychologist1780362814
- Colleen PetersonAudiologist1073938247
- Leah Peterson, AU.D.Audiologist1679357065
- Linda Peterson, CNMRegistered Nurse1477616118
- Marion Peterson, RN MFTRegistered Nurse1538280854
- Shannon Peterson, M.D.Psychiatry Physician1710197041
- John Petrini, D.D.S, M.S.Prosthodontics1679634679
- Nicole Petro, PA-CMedical Physician Assistant1134373392
- Stacey Petrowsky, MA, LMFTMarriage & Family Therapist1639729254
- David PfeiferDentist1609998269
- Elizabeth PfeifferBehavior Technician1780209817
The largest California cities
- Los Angeles69,537
- San Diego52,937
- San Francisco38,143
- Sacramento33,083
- San Jose20,925
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.