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 15 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
- Kar-Kit Butt, RPHPharmacist1831472174
- Kendall Butz, PHYSICIAN ASSISTANTPhysician Assistant1801575543
- Vitaliya BuynevichBehavior Technician1649823675
- Viktor Buzin, MPA, PA-CPhysician Assistant1790023620
- Cheyenne ByrdBehavior Technician1053027821
- Bonnie ByrneOrthopedic Physical Therapist1790262269
- Kevin Byrne, PASurgical Physician Assistant1306499272
- Nicholas Byrne, MDAnatomic Pathology & Clinical Pathology Physician1710191325
- Kathleen Byrne Crew, LCSWAddiction (Substance Use Disorder) Counselor1235282336
- Bonnie Cabasino, MS SPEECH PATHOLOGISSpeech-Language Pathologist1659420750
- Erin Cabezas, LCSWClinical Social Worker1003139650
- Kenneth CableBehavior Technician1326932369
- Sarah CableBehavior Technician1508528977
- Rebecca Cable Mengarelli, B.A.Behavior Analyst1780985424
- Rachael Cabreira, MSN-FNP-CFamily Nurse Practitioner1013047257
- Rhonna CaburianBehavior Technician1972474286
- Azari CadeBehavior Technician1467345934
- Lauren CademartoriBehavior Technician1033749528
- Steven Cademartori, D.D.S.General Practice Dentistry1154356111
- Michael Cadette, PA-CPhysician Assistant1689075236
- Sebastian CahillBehavior Technician1922825058
- Lai Fu Cai, L.AC.Acupuncturist1457431330
- Sarah CalabreseBehavior Technician1346923489
- Leo Calafi, MDOrthopaedic Surgery Physician1720079072
- Franchezka CalamaanBehavior Technician1861124281
- Preston CalandriBehavior Technician1083418529
- Joyce Caldeira, NCSP,LEP,LMFT,LPCCMarriage & Family Therapist1689728461
- Julie CalderBehavior Technician1639737844
- Alexis CalderonBehavior Technician1700517687
- Beyonce CalderonBehavior Technician1053259895
- Brooke Calderon, MFTMarriage & Family Therapist1215284211
- Destiny Calderon OrtizBehavior Technician1831854603
- Allyssa CalibosoRegistered Respiratory Therapist1669936175
- Nancy Calkin, PT,CHTPhysical Therapist1699833582
- Timothy Callahan, DDSGeneral Practice Dentistry1275633836
- Thomas Callan, ODOptometrist1043348394
- Christopher CallasBehavior Technician1669246989
- Elizabeth Callaway, D.C.Chiropractor1619238631
- Bryan CallejoMassage Therapist1902472657
- Devin Callister, M.D.Infectious Disease Physician1376856757
- Trixiemae CaloBehavior Technician1831074160
- Christiona CameronContractor1699005421
- Margaret Cameron, R.N, M.S.N.,N.P.Pediatric Nurse Practitioner1326149626
- Sarah Cameron, MDAnesthesiology Physician1689617243
- Randi Camicia, PHARMDPharmacist1023373289
- Beau CampaAudiologist1306454319
- Holly CampanaBehavior Technician1063153948
- Jennifer Campbell, MA, LMFTMarriage & Family Therapist1437966371
- Kaitlin Campbell, B.A.Behavior Analyst1467754556
- Kathleen CampbellMarriage & Family Therapist1336384361
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.