Doctors in Walnut Creek, CA
Active healthcare providers in Walnut Creek sourced from the CMS NPPES weekly file, no proprietary ratings, no editorial scores. NPI counts, specialty distribution, and primary practice addresses refreshed each release.
Where this city sits in the corpus
Walnut Creek ranks 23rd among 812 California cities by CMS provider count, holding 0.6% of the state's NPIs, led by Behavior Technician.
- 6,170
- NPPES providers in city
- 23rd
- of 812 CA cities
- 0.6%
- of California providers
- 37.5%
- in top 3 specialties
Walnut Creek ranks #11 of 10 California cities for Behavior Technician.
Where Walnut Creek ranks among California cities
Provider count vs every California city in CMS NPPES (812 cities)
6,170 Top 3% higher than 97% of 812 cities
Each bar is a band; taller bars hold more cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source CMS National Plan & Provider Enumeration System (NPPES) · 2026
Specialty mix in Walnut Creek
Share of the city's NPPES registrations by NUCC taxonomy
- Behavior Technician
Behavior Technician
1,786 providers
- Marriage & Family Th… 288
Marriage & Family Therapist
288 providers
- Pharmacist 238
Pharmacist
238 providers
- Internal Medicine Ph… 212
Internal Medicine Physician
212 providers
- Behavior Analyst 194
Behavior Analyst
194 providers
- Physical Therapist 150
Physical Therapist
150 providers
- Family Medicine Phys… 110
Family Medicine Physician
110 providers
- Clinical Social Worker 109
Clinical Social Worker
109 providers
- Diagnostic Radiology… 103
Diagnostic Radiology Physician
103 providers
- Student in an Organi… 101
Student in an Organized Health Care Education/Training Program
101 providers
What this shows Behavior Technician is the largest specialty (1,786 providers, 28.9% of the city), followed by Marriage & Family Therapist.
City vs state specialty index
Specialties Walnut Creek has more, and fewer, of than California average
Each multiple is this city's share of a specialty divided by that specialty's average share across California , Walnut Creek over-indexes diagnostic radiology physician at 3.9× the state average and under-indexes student in an organized health care education/training program at 0.32×. This reflects local practice structure, not care quality.
More common here than California average
Less common here than California average
How to read this directory & data limitations
Walnut Creek, California appears in the CMS National Plan and Provider Enumeration System with 6,170 registered healthcare providers spanning 20 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 (1,786 clinicians, followed by Marriage & Family Therapist with 288 and Pharmacist with 238). 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, Addiction (Substance Use Disorder) Counselor 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.
Which specialties are most common in Walnut Creek
| # | Specialty | Providers | % of city |
|---|---|---|---|
| 1 | Behavior Technician | 1,786 | 28.9% |
| 2 | Marriage & Family Therapist | 288 | 4.7% |
| 3 | Pharmacist | 238 | 3.9% |
| 4 | Internal Medicine Physician | 212 | 3.4% |
| 5 | Behavior Analyst | 194 | 3.1% |
| 6 | Physical Therapist | 150 | 2.4% |
| 7 | Family Medicine Physician | 110 | 1.8% |
| 8 | Clinical Social Worker | 109 | 1.8% |
| 9 | Diagnostic Radiology Physician | 103 | 1.7% |
| 10 | Student in an Organized Health Care Education/Training Program | 101 | 1.6% |
| 11 | Family Nurse Practitioner | 96 | 1.6% |
| 12 | Physician Assistant | 96 | 1.6% |
| 13 | Mental Health Counselor | 96 | 1.6% |
| 14 | Emergency Medicine Physician | 95 | 1.5% |
| 15 | Anesthesiology Physician | 92 | 1.5% |
Healthcare Providers
| Name |
|---|
| Eric Aaserude Emergency Medicine Physician |
| Hangama Abassi, N.P. Nurse Practitioner |
| Amata Abatcha Behavior Technician |
| Josette Abbas, BCBA Behavior Analyst |
| Derek Abbassi, MD Obstetrics & Gynecology Physician |
| Christine Abboud, D.O. Anesthesiology Physician |
| Jessica Abdalla, PHD Clinical Psychologist |
| Ammarah Abdul -Raheem Behavior Technician |
| Sana Abdulhai Behavior Technician |
| Joanne Abel, MARRIAGE FAMILY THER Marriage & Family Therapist |
| Krista Abendroth, RBT Behavior Technician |
| Abby Claire Abenes Behavior Technician |
| Lauren Ables, D.O. Family Medicine Physician |
| Sara Aboei Behavior Technician |
| Aseala Abousaud, PHARMD, BCOP, APH Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist |
| Shayna Abraham, MA Doula |
| Lauren Abrahamson, CNM, NP, MSN Women's Health Nurse Practitioner |
| Chelsea Abreu Mental Health Counselor |
| Ronald Abrew, A.T.,C. Athletic Trainer |
| Paul Abrinko, MD Psychiatry Physician |
| Laila Abtahi Behavior Technician |
| Joel Acab, MD Internal Medicine Physician |
| Peter Ackerman, MD Emergency Medicine Physician |
| Garret Acord Behavior Technician |
| Aaron Mark Acosta, DO Student in an Organized Health Care Education/Training Program |
| Basil Adad, MD Otolaryngology Physician |
| Jennifer Adami Behavior Analyst |
| Bryanna Adams Behavior Technician |
| Ria Adams Behavior Technician |
| Amber Addison Behavior Analyst |
| Praise Adebileje Behavior Technician |
| Geoffrey Adey, MD Neurological Surgery Physician |
| Seble Adniew Behavior Technician |
| Jasmine Agapinan, LCSW Social Worker |
| Andrea Agcaoili, D.O. Family Medicine Physician |
| Morgan Agee, BCBA Behavior Analyst |
| Piyush Aggarwal, MD Colon & Rectal Surgery Physician |
| Sonal Aggarwal, MD Family Medicine Physician |
| Victoria Agnost, M.D. Pediatrics Physician |
| Desiree Agosto Family Nurse Practitioner |
| Jorge Aguilar, M.D. Anesthesiology Physician |
| Lidia Aguilar Behavior Technician |
| Miguel Aguilar Behavior Technician |
| Nicholas Aguilar Behavior Technician |
| Preanna Aguilar Behavior Technician |
| Stephanie Aguilar Specialist |
| Delanney Aguillar-Martinez Other Specialist/Technologist |
| Thomas Ahlborn, PH.D. LAC Acupuncturist |
| Helaluddin Ahmad, PHARMD Pharmacist |
| Hebron Ahmadi Behavior Technician |
Nearby Cities in California
Other California cities with provider coverage in the CMS NPPES registry.
Frequently Asked Questions
How many doctors are in Walnut Creek, CA?
What are the most common medical specialties in Walnut Creek?
Related guides
Explore California
Provider data from CMS NPPES (download.cms.gov/nppes); specialty classification from NUCC Health Care Provider Taxonomy. PlainDoctor does not rate or rank providers. Methodology · About
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from CMS National Plan and Provider Enumeration System (NPPES). Consult a qualified professional before making decisions based on this data.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-08-27.