Anthony W. Fritz, M.D.
Internal Medicine Physician · San Francisco, CA
Anthony W. Fritz, M.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1194750901, issued on Jul 11, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Anthony W. Fritz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- WA0028202 WA
Self-reported in NPPES; status is on the state search - Practice location
- 333 1St St Ste A, San Francisco, CA 94105
- Phone
- (415) 840-0560
- Enumerated
- Jul 11, 2006
- Record last updated
- Oct 17, 2025
- Medicaid ID
- 1074269 WA
- Medicare enrollment
- Enrolled (PECOS I20040804000010); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 333 1St St Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Acle, PA-CPhysician Assistant1265986897
- Camila AguilarPhysician Assistant1013785211
- Nawal Ahmed Khan, MDInternal Medicine Physician1962727818
- Rachel Akin, FNPPrimary Care Nurse Practitioner1104205871
- Mae Carmela AltavasFamily Nurse Practitioner1508261686
- Natalie Araya, P.A.Physician Assistant1578828604
Verify Anthony W. Fritz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average internal medicine physician in 2024
10,779 Medicare Part D claims for 465 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 839 claims were for opioids.
Most prescribed
- Atorvastatin Calcium440 claims
- Furosemide286 claims
- Hydrocodone-Acetaminophen268 claims
- Omeprazole241 claims
- Oxycodone Hcl241 claims
- Losartan Potassium232 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.
Industry payments in 2024: $39.55
2 payments; by number, the most common kind was consulting fee; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Capital Medical Center Physicians LLCOlympia, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anthony W. Fritz among 17,696 internal medicine physician records in California
Anthony W. Fritz, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1988 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nawal Ahmed Khan, MDSan Francisco, CA 941051962727818
- Anne Cramer, M.D.San Francisco, CA 941051326381641
- Lan Jin, MDSan Francisco, CA 941051083034037
- Anne Meneghetti, M.D.San Francisco, CA 941051184821241
- Sharrie Ray, M.D.San Francisco, CA 941051689751372
- Scott Rodriguez, M.D.San Francisco, CA 941051770947863
- Cheryl Smith, M.D.San Francisco, CA 941051720008436
- Charles Smith, MD, MPHSan Francisco, CA 941051265798656
Common questions
What is Anthony W. Fritz, M.D.'s NPI number?
Anthony W. Fritz, M.D.'s National Provider Identifier (NPI) is 1194750901, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Anthony W. Fritz, M.D. located?
The NPPES record lists a practice address at 333 1St St Ste A, San Francisco, CA, 94105. Phone: (415) 840-0560. Providers update this record themselves, so call before visiting.
How can I verify Anthony W. Fritz, M.D.'s license?
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 Anthony W. Fritz, M.D. prescribe under Medicare Part D?
In 2024, Anthony W. Fritz, M.D. had 10,779 Medicare Part D claims for 465 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.