Donald Calvin Fletcher, M.D.
Ophthalmology Physician · San Francisco, CA
Donald Calvin Fletcher, M.D. is an ophthalmology physician with a practice address in San Francisco, California, and NPI 1689633638, issued on Mar 20, 2006. Check the license (California G56961, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Donald Calvin Fletcher
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- G56961 CA
04-33631 KS
ME0052066 FL
10260037-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 2340 Clay St # 514, San Francisco, CA 94115
- Phone
- (415) 600-3901
- Enumerated
- Mar 20, 2006
- Record last updated
- Oct 28, 2022
- Fax
- (415) 600-3949
- Medicaid IDs
- 063296100 FL
374440000 FL - Medicare enrollment
- Enrolled (PECOS I20091030000218); accepts Medicare assignment
- Entity
- Type 1 · individual
Verify Donald Calvin Fletcher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G56961Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average ophthalmology physician in 2024
65 Medicare Part D claims for 11 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Buprenorphine-Naloxone40 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): 100 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).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
Other ophthalmology physician records in California
- Sam Abbassi, MD, MSWest Hills, CA1881937720
- Richard Abbott, M.D.San Francisco, CA1346276573
- Jean-Paul Abboud, M.D., PH.D.Del Mar, CA1760776728
- Nizar Abdelfattah, MDPasadena, CA1801359393
- Parastou Abedi, MDAliso Viejo, CA1720067333
- Shahla Abedi, MDAliso Viejo, CA1467431072
- Lilit Ablabutyan, M.D.Glendale, CA1497013064
- Nathan Abraham, M.D.Valencia, CA1306224456
- James Abrams, M.D.San Bruno, CA1912903329
- Adam Abroms, MDWestlake Village, CA1497743702
Common questions
What is Donald Calvin Fletcher, M.D.'s NPI number?
Donald Calvin Fletcher, M.D.'s National Provider Identifier (NPI) is 1689633638, issued on Mar 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Calvin Fletcher, M.D. located?
The NPPES record lists a practice address at 2340 Clay St # 514, San Francisco, CA, 94115. Phone: (415) 600-3901. Providers update this record themselves, so call before visiting.
How can I verify Donald Calvin Fletcher, M.D.'s license?
NPPES lists California license number G56961, 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 Donald Calvin Fletcher, M.D. prescribe under Medicare Part D?
In 2024, Donald Calvin Fletcher, M.D. had 65 Medicare Part D claims for 11 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Donald Calvin Fletcher, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.