Peter Barnett, M.D.
Emergency Medicine Physician · Walnut Creek, CA
Peter Barnett, M.D. is an emergency medicine physician with a practice address in Walnut Creek, California, and NPI 1699882589, issued on Aug 24, 2006. Check the license (California A110165, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peter Barnett
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A110165 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1990 N California Blvd, Walnut Creek, CA 94596
- Phone
- (925) 225-5837
- Enumerated
- Aug 24, 2006
- Record last updated
- Nov 8, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (925) 225-5838
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1990 N California Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Zacharia Greenlee, PA-CPhysician Assistant1427469097
- Kevin King, PA-CPhysician Assistant1841509171
- Huu Nguyen, D.O.Internal Medicine Physician1811966492
- Andrew Otto, M.D.Emergency Medicine Physician1578862157
Verify Peter Barnett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A110165Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $114.62
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Peter Barnett among 7,751 emergency medicine physician records in California
Peter Barnett, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2010 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
95 emergency medicine physician records list a practice address in Walnut Creek
They are 95 of the 6,170 NPPES records with a practice address in Walnut Creek, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Walnut Creek → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brian Baskin, MDWalnut Creek, CA 945961770554693
- Peter Benson, M.D.Walnut Creek, CA 945961487680393
- Scott Chamberlain, M.D.Walnut Creek, CA 945961356395453
- Charles Hansen, MDWalnut Creek, CA 945961891873956
- Christopher Jaksa, MDWalnut Creek, CA 945961619055779
- Conrad Lai, M.DWalnut Creek, CA 945961942248141
- Hannon Patel, MDWalnut Creek, CA 945961336227495
- Alec Richmond, M.D.Walnut Creek, CA 945961851487672
Common questions
What is Peter Barnett, M.D.'s NPI number?
Peter Barnett, M.D.'s National Provider Identifier (NPI) is 1699882589, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Barnett, M.D. located?
The NPPES record lists a practice address at 1990 N California Blvd, Walnut Creek, CA, 94596. Phone: (925) 225-5837. Providers update this record themselves, so call before visiting.
How can I verify Peter Barnett, M.D.'s license?
NPPES lists California license number A110165, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.