Michael Stephen Baker, M.D.
Surgery Physician · Walnut Creek, CA
Michael Stephen Baker, M.D. is a surgery physician with a practice address in Walnut Creek, California, and NPI 1043309008, issued on Oct 11, 2006. Check the license (California G31440, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Michael Stephen Baker
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- G31440 CA
Self-reported in NPPES; status is on the state search - Practice location
- 130 LA Casa Via, Walnut Creek, CA 94598
- Phone
- (925) 933-0984
- Enumerated
- Oct 11, 2006
- Record last updated
- Jul 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (925) 988-0986
- Medicaid ID
- 00G314400 CA
- Entity
- Type 1 · individual
Also registered at 130 LA Casa Via
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shilpi Anand, M.D.Allergy Physician1871556605
- Emily Brama, RN, MSN, FNP, NP-CNurse Practitioner1952696684
- Angela Christian, N.P.Nurse Practitioner1023442167
- Michael Cohen, M.D.Critical Care Medicine (Internal Medicine) Physician1205885779
- David Cook, MDAllergy & Immunology Physician1740282425
- Monica Eigelberger, M.D.Specialist1316036387
Verify Michael Stephen Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G31440Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Surgery Physician providers in California
There are 3,118 surgery physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other surgery physician records in California
- Miriam Abaunza, M.D.Los Angeles, CA1538470778
- Hana Abdirahman, MDTemecula, CA1265288112
- Sherwin Abdoli, MDPetaluma, CA1508386442
- Mhdshafic Abdulkarim, MDOrange, CA1750174249
- Sarah Abdulla, M.D.Baldwin Park, CA1699200840
- Shoko Abe, M.D.Berkeley, CA1609178136
- Stuart Abel, M.D.Los Angeles, CA1750761516
- Elliot Abemayor, MDLos Angeles, CA1972527414
- Marc Abi Karam, MD, MSPalo Alto, CA1437846508
- Ali Abidali, DOGlendora, CA1861888794
Common questions
What is Michael Stephen Baker, M.D.'s NPI number?
Michael Stephen Baker, M.D.'s National Provider Identifier (NPI) is 1043309008, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Stephen Baker, M.D. located?
The NPPES record lists a practice address at 130 LA Casa Via, Walnut Creek, CA, 94598. Phone: (925) 933-0984. Providers update this record themselves, so call before visiting.
How can I verify Michael Stephen Baker, M.D.'s license?
NPPES lists California license number G31440, 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. 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.