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

Individual provider Ophthalmology Physician · NPI 1912900218

Dr. David Bruce Mark, MD is an Ophthalmology in Sunnyvale, California. Graduated from Stanford University School of Medicine in 1976, 50 years ago. Practices with Mendelson and Mark Optometric Corporation, an 8-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
50
Trained at
Stanford University School of Medicine
Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1010 W Fremont Ave Ste 200
Sunnyvale, CA 94087-3019
Phone: (408) 739-6200
Fax: (408) 739-2439
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence G35305 (CA)

Record details

NPI number1912900218
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2005
Last updated in NPPESJanuary 31, 2013
Mailing address1010 W Fremont Ave, Ste 200, Sunnyvale, CA 94087-3019

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolSTANFORD UNIVERSITY SCHOOL OF MEDICINE
Graduated 1976 (50 years in practice)
Group practice Mendelson And Mark Optometric Corporation — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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