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 64 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
- Simone Levinson, PSYDPsychologist1306053186
- Stephen Levit, M.D.Pain Medicine Physician1730421603
- David Levy, MDHospitalist Physician1740368844
- Jennifer Levy, MDNeonatal-Perinatal Medicine Physician1619934692
- Joyce LevyBehavior Technician1982435905
- Bobbie LewisBehavior Technician1164040994
- Brad Lewis, MDPediatrics Physician1871671974
- Daniel Lewis, MDEmergency Medicine Physician1770661829
- Donald Lewis, M.D.Orthopaedic Hand Surgery Physician1508816851
- Elisa Lewis, LCSWClinical Social Worker1376875237
- Imonie Lewis, PTAPhysical Therapy Assistant1134857113
- Malayasia LewisBehavior Technician1114658846
- Douglas LezametaBehavior Technician1326925371
- Fanny LezametaBehavior Technician1588541536
- Jeniece LezerBehavior Technician1215808506
- Albert Li, PHARMDPharmacist1679632426
- Amity LiPharmacist1790264562
- Dennis LiStudent in an Organized Health Care Education/Training Program1356924559
- Fengmei LiMarriage & Family Therapist1487409900
- Guo LiPharmacist1720364235
- Lihua LiPharmacist1770015166
- Lili Li, D.M.D.General Practice Dentistry1396815684
- Qun Li, L.AC.Acupuncturist1902979867
- Vincent Li, PHARM.D.Pharmacist1609009430
- Yi Ling Li, MDPsychiatry Physician1033774096
- Zhuo Li, PHARM.DPharmacist1336670298
- Alan Liang, DPTPhysical Therapist1205582764
- Garrett Liang, PT, DPTPhysical Therapist1841708328
- Tsao-Yu Liang, MDHospitalist Physician1053499137
- Yungting Liao, MDHospitalist Physician1780696039
- Robin Lie, DPMPodiatrist1689785131
- Haywon Lieh, MDAnesthesiology Physician1013952308
- Dao Lieu, PHARM.DPharmacist1164569885
- David Lilienstein, MDEmergency Medicine Physician1750571212
- Andrea Lim, MDInternal Medicine Physician1235217308
- Christina Lim, PHARM.D.Pharmacist1730518960
- Elaine LimSurgical Physician Assistant1982267290
- Jean Lim, R.N.Registered Nurse1659673705
- Mira Lim, M.D.Ophthalmology Physician1194987628
- Semi Lim, D.M.DPeriodontics1275652943
- Zachary LimCommunity Health Worker1669337028
- Rosemary Lima, MABehavior Technician1124598206
- Andrew Lin, M.D.Nephrology Physician1558484857
- David Lin, M.D.Gastroenterology Physician1982664041
- David Lin, M.D.Anesthesiology Physician1649537838
- Edward Lin, MD, MPHEmergency Medicine Physician1629226337
- Emily LinFamily Medicine Physician1477137669
- Hsiu-Wei Lin, MDCritical Care Medicine (Internal Medicine) Physician1427136514
- Josephine Lin, MA, BCBABehavior Analyst1912372244
- Mandy LinBehavior Technician1992309751
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.