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

Individual provider Ophthalmology Physician · NPI 1386683191

Dr. Robert S Mastman, MD is an Ophthalmology in San Jose, California. Qualified in 1981, 45 years ago. Practices with Spectrum Eye Physicians a Medical Corporation, a 15-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
45
Licensed in
CA
In the registry since
2006
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

2577 Samaritan Dr Ste 740
San Jose, CA 95124-4100
Phone: (408) 358-2029
Fax: (408) 356-5873
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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 A37122 (CA)

Record details

NPI number1386683191
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESNovember 23, 2011

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Spectrum Eye Physicians A Medical Corporation — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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