Steven Andrew Baker, M.D. PH.D.
Clinical Pathology Physician · Stanford, CA
Steven Andrew Baker, M.D. PH.D. is a clinical pathology physician with a practice address in Stanford, California, and NPI 1447660154, issued on May 2, 2014. Check the license (California A139005, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven Andrew Baker
- Credential
- M.D. PH.D.
- Primary taxonomy
- Clinical Pathology Physician 207ZC0006X
- License numbers
- A139005 CA
12366425-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr RM L235, Stanford, CA 94305
- Phone
- (650) 493-5000
- Enumerated
- May 2, 2014
- Record last updated
- Oct 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical pathology physician records → All 43 in California → Look up another NPI →
Also registered at 300 Pasteur Dr RM L235
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kyra Berg, MDStudent in an Organized Health Care Education/Training Program1871165308
- Michael Cleary, MDAnatomic Pathology Physician1376018606
- Sharon Geaghan, M.D.Anatomic Pathology & Clinical Pathology Physician1922149756
- Terri Haddix, M.D.Anatomic Pathology Physician1144378712
- John Higgins, MDAnatomic Pathology & Clinical Pathology Physician1154474872
- Yang HuStudent in an Organized Health Care Education/Training Program1174267124
Verify Steven Andrew Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A139005Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 92.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Steven Andrew Baker among 43 clinical pathology physician records in California
Steven Andrew Baker, M.D. PH.D. is one of 43 clinical pathology physician records with a practice address in California. 37% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 44% of them.
- NPI issued2014 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 37% of these records are
- In the CMS Doctors and Clinicians fileNo · 33% of these records are
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZC0006X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Pathology Physician providers in California
There are 43 clinical pathology physician records in California.
All 43 in California → Every provider in Stanford → Clinical Pathology Physician nationwide →
The 8 clinical pathology physician records with the nearest ZIP codes
- Maya Kasowski, MDStanford, CA 943051730533803
- Muthukumar Ramanathan, MDStanford, CA 943051336769058
- Jack Tung, MDStanford, CA 943051346726254
- Tara Saunders, M.D.San Francisco, CA 941431942536123
- Gisela Marrero RiveraSan Francisco, CA 941071851707558
- Edward Sittler, MDSan Francisco, CA 941071043531056
- Arun Wiita, M.D., PH.D.San Francisco, CA 941071760718944
- Wayne Garrett, DOHercules, CA 945471528111598
Common questions
What is Steven Andrew Baker, M.D. PH.D.'s NPI number?
Steven Andrew Baker, M.D. PH.D.'s National Provider Identifier (NPI) is 1447660154, issued on May 2, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Steven Andrew Baker, M.D. PH.D. located?
The NPPES record lists a practice address at 300 Pasteur Dr RM L235, Stanford, CA, 94305. Phone: (650) 493-5000. Providers update this record themselves, so call before visiting.
How can I verify Steven Andrew Baker, M.D. PH.D.'s license?
NPPES lists California license number A139005, 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.
What is Steven Andrew Baker, M.D. PH.D.'s MIPS final score?
The 2023 MIPS final score is 92.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.