Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Donald Calvin Fletcher, MD

Individual provider Addiction Medicine (Family Medicine) Physician · NPI 1689633638

Dr. Donald Calvin Fletcher, MD is an Ophthalmology in San Francisco, California. Qualified in 1982, 44 years ago. Accepts Medicare assignment. Licensed in California, Florida, Kansas and Utah.

Years since qualifying
44
Licensed in
CA, FL, KS, UT
In the registry since
2006
Specialties on file
5
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2340 Clay St # 514
San Francisco, CA 94115-1932
Phone: (415) 600-3901
Fax: (415) 600-3949
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 04-33631 (KS)
Addiction Medicine (Family Medicine) Physician Taxonomy 207QA0401X · Licence 04-33631 (KS)
Addiction Medicine (Family Medicine) Physician Taxonomy 207QA0401X · Licence 10260037-1205 (UT)
Ophthalmology Physician Taxonomy 207W00000X · Licence ME0052066 (FL)
Ophthalmology Physician Taxonomy 207W00000X · Licence G56961 (CA)

Record details

NPI number1689633638
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2006
Last updated in NPPESOctober 28, 2022
Certification dateOctober 28, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Also practisesPHYSICAL MEDICINE AND REHABILITATION
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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