General surgeons in Walnut Creek, CA

  • Surgery
  • Walnut Creek, California
General surgeons
43
Linked to a hospital or group
35
Hospitals with a general surgeon
17
Medical groups with a general surgeon
16
Practice at a hospital
34

There are 43 general surgeons in Walnut Creek. BASS Medical Group has the most, 16, and John Muir Medical Center, Walnut Creek has the most affiliated general surgeons, 18. 23% finished medical school 30 or more years ago.

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Validated work emails and mobile numbers for Walnut Creek general surgeons, found through healthcare waterfall enrichment, with a free Dmand AI account.

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Walnut Creek general surgeons, listed A to Z by last name

Each general surgeon on the list has surgery as their primary specialty and a Walnut Creek practice address. The list shows the NPI, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.

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Walnut Creek general surgeons, A to Z
General surgeonHospitalsMedical groupsEmail and phone
Michael Stephen Baker, MDNPI 1043309008--Contacts
Danielle Marie Bertoni, MDNPI 17808431853 hospitals1 groupContacts
Randall Adam Bloch, MDNPI 1497329296--Contacts
Joseph M. Brandel, MDNPI 17707568843 hospitals1 groupContacts
Gregory Andrew Broderick-Villa, MDNPI 13765715621 hospital1 groupContacts
Mary K. Cardoza, MDNPI 17109360673 hospitals1 groupContacts
Brian T. Chin, MDNPI 17503471001 hospital4 groupsContacts
Anita K W Chiu, MDNPI 17404266181 hospital1 groupContacts
Masoud Sultan Chopan, DONPI 16598911414 hospitals3 groupsContacts
Michael W. Deboisblanc, MDNPI 14675543373 hospitals3 groupsContacts
Rafael Felipe Diaz Flores, MDNPI 16190565615 hospitals2 groupsContacts
Funmilayo Fawole, MDNPI 17401706462 hospitals-Contacts
Steven P. Freshman, MDNPI 15382476971 hospital1 groupContacts
Salvador Gallardo Guevara, MDNPI 13364279392 hospitals2 groupsContacts
Michael Christopher Gynn, MDNPI 13664624913 hospitals3 groupsContacts
Rupert Roupen Horoupian, MDNPI 11846861563 hospitals2 groupsContacts
Deborah Lynn Kerlin, FACS, MDNPI 1568523892--Contacts
Charleen Lee Kim, MDNPI 18313788504 hospitals2 groupsContacts
Teresa H. Kim, MDNPI 13866634331 hospital1 groupContacts
Mauricio Kuri, MDNPI 18110254714 hospitals3 groupsContacts
Vivian Le-Tran, DONPI 11849810296 hospitals1 groupContacts
Rock Chen Chun Liu, MDNPI 11746012563 hospitals2 groupsContacts
Sean Patrick Martin, MDNPI 13766122754 hospitals4 groupsContacts
Omar I. Mian, MDNPI 14777149212 hospitals2 groupsContacts
Richard The Nguyen, DONPI 10231850303 hospitals1 groupContacts
Michael Blair Peterson, MDNPI 12554190245 hospitals3 groupsContacts
Hamid R. RassaiNPI 10130132182 hospitals3 groupsContacts
Ben Schwab, MDNPI 16192398522 hospitals1 groupContacts
Steven Albert Stanten, MDNPI 12856976983 hospitals2 groupsContacts
Isabelle A. StruveNPI 13466287405 hospitals3 groupsContacts
Jenny J. Sung, MDNPI 13462591731 hospital1 groupContacts
Michael SungNPI 12254230722 hospitals2 groupsContacts
Jillian Taguchi, MDNPI 19427378792 hospitals-Contacts
Ajay Kumar Upadhyay, MDNPI 11048881554 hospitals2 groupsContacts
Jonathan Tak-Keung Wong, MDNPI 19826658402 hospitals1 groupContacts
Steven Michael Young, MDNPI 16594551032 hospitals3 groupsContacts
John Ulric Zink, MDNPI 13666289354 hospitals5 groupsContacts

Showing 1 to 10 of 37 Walnut Creek general surgeons

The list shows the 37 general surgeons with a public profile. The other 6 are counted in the total and searchable with a free account.

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

For health IT teams

Find Walnut Creek general surgeons by the EHR they use

Dmand AI has the EHR for 42 of 43 Walnut Creek general surgeons, 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.

BASS Medical Group has the most general surgeons in Walnut Creek, with 16

John Muir Health is second with 12, and The Permanente Medical Group, Inc. third with 9. Counts are general surgeons with a California address linked to each group.

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

John Muir Medical Center, Walnut Creek has the most affiliated general surgeons in Walnut Creek, with 18

Concord Medical Center is second with 17, and Alta Bates Summit Medical Center third with 7. Walnut Creek general surgeons are affiliated with 17 hospitals in all.

Top 10 of 17 Walnut Creek hospitals with an affiliated general surgeon

See every hospital and group for each Walnut Creek general surgeon

Each public profile names one place a general surgeon practices. A free account shows all of them, with the employer, the EHR and validated contacts.

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Source: Dmand AI Affiliation Data

Most Walnut Creek general surgeons practice at a hospital: 34 of the 35 with a mapped site

24 also practice at a medical group site, and 4 at physician offices. A general surgeon can practice at several kinds of site, so the shares overlap.

Walnut Creek general surgeons by site of care

  1. Hospitals34
  2. Medical group practices24
  3. Physician offices4
  4. Home health agencies4

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

23% of Walnut Creek general surgeons finished medical school 30 or more years ago

7 of the 30 Walnut Creek general surgeons with a graduation year on file. 2 graduated in the last 10 years, fewer than graduated 40 or more years ago.

Physicians by years since medical school

  1. Under 10 years ago2
  2. 10 to 19 years ago5
  3. 20 to 29 years ago16
  4. 30 to 39 years ago4
  5. 40 or more years ago3

Source: Dmand AI Professional Profile Data

Every Walnut Creek general surgeon profile shows current hospitals and groups, Medicare activity and 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 general surgeon 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

General surgeons are HCPs whose primary specialty is surgery (taxonomy code 208600000X), with an active NPI and a Walnut Creek practice address.

FAQ

Frequently asked questions about general surgeons 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 general surgeons are in Walnut Creek?

43 general surgeons have an active NPI, a Walnut Creek practice address and surgery (taxonomy code 208600000X) as their primary specialty. 35 of them are linked to a hospital or medical group.

Which Walnut Creek medical groups have the most general surgeons?

BASS Medical Group, with 16, followed by John Muir Health with 12 and The Permanente Medical Group, Inc. with 9.

Which Walnut Creek hospitals have the most general surgeons?

John Muir Medical Center, Walnut Creek, with 18 affiliated general surgeons, followed by Concord Medical Center with 17 and Alta Bates Summit Medical Center with 7.

What share of Walnut Creek general surgeons practice at a hospital?

34 of the 35 Walnut Creek general surgeons with a mapped site of care, or 97%, have a current hospital affiliation.

What is the taxonomy code for surgery?

208600000X is the NPPES taxonomy code for surgery. Sub-specialties with their own code are counted on their own lists.

How can I contact general surgeons in Walnut Creek?

Dmand AI finds validated work emails, mobile numbers and practice phone numbers for general surgeons 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.

Dmand AI

Find the right contacts among Walnut Creek general surgeons

Search 43 Walnut Creek general surgeons by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

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