Healthcare professionals in Walnut Creek, CA

  • HCP directory
  • Walnut Creek, California
Healthcare professionals
6,507
Physicians (MD, DO)
1,435
Nurses and NPs
388
Physician assistants
137
Behavioral health clinicians
3,050

There are 1,435 physicians among 6,507 healthcare professionals in Walnut Creek. John Muir Medical Center, Walnut Creek has the most affiliated doctors, 1,128, and internal medicine is the most common physician specialty.

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There are 1,435 physicians (MD and DO) among 6,507 healthcare professionals in Walnut Creek, CA

Counting every HCP with an active NPI and a Walnut Creek practice address. Behavioral health clinicians are the largest group, with 3,050, and nurses and nurse practitioners third, with 388.

Walnut Creek HCPs by type

  1. Behavioral health clinicians3,050
  2. Physicians (MD, DO)1,435
  3. Nurses and nurse practitioners388
  4. Therapists (PT and OT)288
  5. Pharmacists253
  6. Dentists and dental staff196
  7. Non-clinical and support staff144
  8. Physician assistants137
  9. Chiropractors110
  10. Speech therapists and audiologists109
  11. Other HCPs397

Sources: NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data

Internal medicine is the most common physician specialty in Walnut Creek, with 161 physicians

Family medicine is second, with 120, and anesthesiology third, with 107. Each physician is counted once, under the primary specialty on their NPI record.

Sources: NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data

John Muir Medical Center, Walnut Creek has the most affiliated doctors in Walnut Creek, with 1,128

Walnut Creek Medical Center is second with 467 physicians. Physicians are counted at each hospital where they have a current affiliation, wherever they live.

Hospitals in Walnut Creek with the most affiliated doctors
#HospitalHealth systemPhysiciansHCPs
1John Muir Medical Center, Walnut CreekWalnut CreekJohn Muir Health1,1281,499
2Walnut Creek Medical CenterWalnut CreekKaiser Permanente467635

Source: Dmand AI Affiliation Data

John Muir Health has the most doctors of any Walnut Creek medical group, with 703

John Muir Medical Group is second with 558 physicians, and BASS Medical Group third with 283. Counts are physicians and HCPs with a California address.

Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data

For health IT teams

Reach Walnut Creek physicians by the EHR their practice uses

Dmand AI has the EHR for 3,270 of 6,507 Walnut Creek HCPs, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.

Group practices and clinics are the most common site of care for Walnut Creek healthcare professionals, with 1,494

Hospitals are second, with 1,423. A clinician can practice at several kinds of site, so the shares overlap. Pharmacies are left out.

Walnut Creek HCPs by site of care

  1. Group practices and clinics1,494
  2. Hospitals1,423
  3. Breast imaging centers265
  4. Physician offices177
  5. Home health agencies139
  6. Ambulatory surgery centers91
  7. Clinical labs67
  8. Therapy and rehab centers38
  9. Dialysis centers31
  10. Skilled nursing facilities16

See every site where Walnut Creek HCPs practice

Each public profile names one place an HCP practices. A free account shows every current hospital, clinic and medical group, the employer and validated contacts for all 6,507.

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Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

32% of Walnut Creek physicians finished medical school 30 or more years ago

312 of the 987 Walnut Creek physicians with a graduation year on file. 118 graduated in the last 10 years.

Physicians by years since medical school

  1. Under 10 years ago118
  2. 10 to 19 years ago239
  3. 20 to 29 years ago318
  4. 30 to 39 years ago193
  5. 40 or more years ago119

Source: Dmand AI Professional Profile Data

Every Walnut Creek HCP profile shows where they practice now, their Medicare activity and their NPI details

  • Primary practiceThe main place they practice, with its type and cityOn every profile
  • Every site of careEach hospital, clinic and group where they practice nowWith a free account
  • EmployerThe organization they work for, when one is on fileWith a free account
  • Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
  • Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
  • Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
  • Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
  • Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
  • NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
  • Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
  • EHR in useThe EHR at each site where they practiceWith a free account
  • Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account

Free account: 30 days free, self-serve, no credit card.

Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data

Sources for the Walnut Creek HCP directory

Sources for the data on this page
Data on this pageSource
HCPs, types and specialtiesNPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groupsDmand AI Affiliation Data
Medical school graduation yearDmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracyRemove my information

The directory counts HCPs with an active individual NPI, a name and a Walnut Creek practice address.

FAQ

Frequently asked questions about doctors and healthcare professionals in Walnut Creek

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many doctors are in Walnut Creek?

1,435 physicians (MDs and DOs) have an active NPI and a Walnut Creek practice address, among 6,507 Walnut Creek healthcare professionals.

What are the most common physician specialties in Walnut Creek?

By primary specialty: internal medicine (161), family medicine (120), anesthesiology (107), hospitalist (84), emergency medicine (82).

Which Walnut Creek hospitals have the most doctors?

John Muir Medical Center, Walnut Creek, with 1,128 affiliated physicians, followed by Walnut Creek Medical Center with 467.

Which medical groups have the most Walnut Creek doctors?

John Muir Health (703 physicians), John Muir Medical Group (558 physicians) and BASS Medical Group (283 physicians). Counts are physicians with a California address.

How many Walnut Creek physicians finished medical school 30 or more years ago?

312 of the 987 with a graduation year on file, or 32%. 118 graduated in the last 10 years.

How can I contact healthcare professionals in Walnut Creek?

Dmand AI finds validated work emails, mobile numbers and practice phone numbers for healthcare professionals in Walnut Creek through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.

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Find the right contacts among Walnut Creek healthcare professionals

Search 6,507 Walnut Creek HCPs by specialty, hospital, group and city, with validated work emails and mobile numbers.

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