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 78 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
- Tamara Myers, CRNACertified Registered Nurse Anesthetist1922249838
- Iryna Mysnyk, DMDDentist1730791815
- Elizabeth Nabeshima, PSY.D.Psychologist1720236532
- Abubakr NabiBehavior Technician1508680190
- Zoltan Nabilek, PSY.D.Psychologist1740566512
- Frederick Nachtwey, M.D.Pulmonary Disease Physician1710901822
- Kimberly Nackord, AG-ACNP-BCAcute Care Nurse Practitioner1407305980
- Ashwini Nagare, PTAPhysical Therapy Assistant1730927922
- Rajiv Nagesetty, MDVascular Surgery Physician1689786840
- Audrey Nagle, MDNeonatal-Perinatal Medicine Physician1609858802
- Mizraim Naik-Castillo, MSBehavior Analyst1235609439
- Iraj Naima, MDFamily Medicine Physician1366517823
- Abhishek NairBehavior Technician1063388056
- Harumi NaitoBehavior Technician1942795992
- Rayane NajiBehavior Technician1710685375
- Bryan Nakamura, PHARMDPharmacist1891375283
- Ben Nakamura-Bush, RBTBehavior Technician1639996283
- Enoch Nam, MDCornea and External Diseases Specialist Physician1578799037
- Samali NamagandaBehavior Technician1992447932
- Anakha Nambiar, M.D.Geriatric Medicine (Family Medicine) Physician1366487993
- Farzad Namdaran, MDAnesthesiology Physician1295818615
- Harish Narayanan, M.D.Vascular & Interventional Radiology Physician1023421666
- Tiffany (terry) NarducciBehavior Technician1962269472
- Joseph Narloch, M.D.Physical Medicine & Rehabilitation Physician1902855885
- Lacy Nasseh, FNPFamily Nurse Practitioner1255054631
- Morad Nasseri, M.D.Neurology Physician1154615565
- Akshitha NatarajanBehavior Technician1881526473
- Kishore Nath, M.D.Family Medicine Physician1457454456
- Manjari Nathan, M.D.Pulmonary Disease Physician1033386503
- Mark Nathan, MDInterventional Cardiology Physician1013947670
- David NathansonInternal Medicine Physician1013478676
- Bridget Nava, MSWMental Health Counselor1891942041
- Gloria NavarreteBehavior Technician1255078374
- Alyssa NavarroBehavior Technician1740003896
- Cheyenne NavarroBehavior Technician1417695271
- Mark Ian Navarro, BSN, RN, CNOR, RNFARegistered Nurse First Assistant1962353078
- Princesa NavarroBehavior Technician1750254967
- Rachel Navarro, LCSW110392Clinical Social Worker1477278901
- Mark Navasca, MS, OTR/LOccupational Therapist1205425683
- Joslyn NaveraBehavior Technician1497213979
- Krisha Nayak, MD, MPHPediatrics Physician1043779366
- Erfan Nazeri, DDSEndodontics1164992731
- Michelle Nee, MDOphthalmology Physician1093893182
- Melissa NeedhamBehavior Technician1922851807
- Brian Needleman, LMFTMarriage & Family Therapist1487826160
- Maria Negrete JacoboBehavior Technician1508710567
- Nina Nehring, PSY.D.Clinical Psychologist1619500303
- Terry Neifing, L.C.S.W.Clinical Social Worker1912172537
- Alison Nelson, MSSpeech-Language Pathologist1477273621
- Amy NelsonAssistant Behavior Analyst1528559705
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.