William F. Kammerer, M.D
Emergency Medicine Physician · Daly City, CA
William F. Kammerer, M.D is an emergency medicine physician with a practice address in Daly City, California, and NPI 1457372906, issued on Jul 21, 2006. Check the license (California G72332, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William F. Kammerer
- Credential
- M.D
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G72332 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1900 Sullivan Ave, Daly City, CA 94015
- Phone
- (650) 992-4000
- Enumerated
- Jul 21, 2006
- Record last updated
- Nov 6, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00G723320 CA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1900 Sullivan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mandana AbollhassaniHospitalist Physician1588826242
- Anupam Aditi, M.D.Internal Medicine Physician1407084494
- Fanny Albano, OTR/LOccupational Therapist1205456514
- Mark Alderdice, M.D.Emergency Medicine Physician1689612871
- Shalin Amin, M.D.Vascular & Interventional Radiology Physician1912141664
Verify William F. Kammerer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G72332Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average emergency medicine physician in 2024
139 Medicare Part D claims for 78 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Ibuprofen21 claims
- Hydrocodone-Acetaminophen20 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): 91 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).
William F. Kammerer among 7,751 emergency medicine physician records in California
William F. Kammerer, 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 updated2007 · 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).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Daly City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Mark Alderdice, M.D.Daly City, CA 940151689612871
- Mark Bason-Mitchell, M.DDaly City, CA 940151356389639
- Robert Buscho, M.DDaly City, CA 940151922046119
- Mary Finnegan, M.D.Daly City, CA 940151053357467
- Philip Giddings, MDDaly City, CA 940151871055384
- Ronald Gordon, MDDaly City, CA 940151063460517
- Maxine Inocencio, MDDaly City, CA 940151952764599
- Daniel Kwan, M.D.Daly City, CA 940151629335146
Common questions
What is William F. Kammerer, M.D's NPI number?
William F. Kammerer, M.D's National Provider Identifier (NPI) is 1457372906, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William F. Kammerer, M.D located?
The NPPES record lists a practice address at 1900 Sullivan Ave, Daly City, CA, 94015. Phone: (650) 992-4000. Providers update this record themselves, so call before visiting.
How can I verify William F. Kammerer, M.D's license?
NPPES lists California license number G72332, 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 F. Kammerer, M.D prescribe under Medicare Part D?
In 2024, William F. Kammerer, M.D had 139 Medicare Part D claims for 78 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is William F. Kammerer, M.D's MIPS final score?
The 2023 MIPS final score is 91 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.