William A. Miller
Hospitalist Physician · San Francisco, CA
William A. Miller is a hospitalist physician with a practice address in San Francisco, California, and NPI 1609987999, issued on Aug 31, 2006. Check the license (California G85953, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William A. Miller
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- G85953 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3555 Cesar Chavez, San Francisco, CA 94110
- Phone
- (415) 647-8600
- Enumerated
- Aug 31, 2006
- Record last updated
- May 25, 2022
- Fax
- (415) 641-6823
- Medicare enrollment
- Enrolled (PECOS I20040521001085); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 3555 Cesar Chavez
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nader Banki, MDInternal Medicine Physician1518029792
- Efren Baria, DOPain Medicine (Anesthesiology) Physician1609982115
Verify William A. Miller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G85953Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average hospitalist physician in 2024
307 Medicare Part D claims for 73 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims. 19 claims were for opioids.
Most prescribed
- Eliquis20 claims
- Furosemide17 claims
- Cephalexin16 claims
- Metoprolol Succinate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.8 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).
Bills Medicare through one group practice
- Galen Inpatient Physicians PCFort Bragg, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William A. Miller among 3,099 hospitalist physician records in California
William A. Miller is one of 3,099 hospitalist physician records with a practice address in California. 90% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1991 · median 2010 among the 2,505 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in San Francisco → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Bichhuong Dinh, MDSan Francisco, CA 941101013978527
- Seth Goldman, M.D.San Francisco, CA 941101174788004
- Fiona HendersonSan Francisco, CA 941101063506962
- Abhishek Karwa, D.O.San Francisco, CA 941101407274087
- Roswell Quinn, M.D.San Francisco, CA 941101669798625
- Elizabeth Stewart, M.D.San Francisco, CA 941101609196831
- Robert Eldabaje, MDSan Francisco, CA 941091609211176
- Eric HoffmanSan Francisco, CA 941091679153522
Common questions
What is William A. Miller's NPI number?
William A. Miller's National Provider Identifier (NPI) is 1609987999, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William A. Miller located?
The NPPES record lists a practice address at 3555 Cesar Chavez, San Francisco, CA, 94110. Phone: (415) 647-8600. Providers update this record themselves, so call before visiting.
How can I verify William A. Miller's license?
NPPES lists California license number G85953, 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.
How much does William A. Miller prescribe under Medicare Part D?
In 2024, William A. Miller had 307 Medicare Part D claims for 73 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is William A. Miller's MIPS final score?
The 2023 MIPS final score is 73.8 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.