Physician Profile

Unclaimed Profile

About MASTMAN

Based in San Jose, CA, Robert S Mastman, M.D. is listed in the NPI registry under ophthalmology. Medicare claims data shows Robert provided 2,938 services to 2,546 patients.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Education & Training

Medical School Other Graduated: 1981

Areas of Expertise

OPHTHALMOLOGY (Primary)

Common questions

What does Dr. Mastman specialize in?

Dr. Mastman is an ophthalmology in San Jose, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.

NPI registry

Where is Dr. Mastman located?

Dr. Mastman is listed at 2577 SAMARITAN DR SUITE 740, San Jose, CA 95124. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Mastman's phone number?

The number on file is (408) 358-2029. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Dr. Mastman?

Dr. Mastman's National Provider Identifier is 1386683191. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Dr. Mastman go to medical school?

Dr. Mastman attended Other, graduating in 1981. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Mastman have?

Dr. Mastman has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.

CMS public data

What does Dr. Mastman do most often?

According to Medicare billing data, Dr. Mastman performs procedures including removal of recurring cataract in lens capsule using a laser and removal of eyelashes using forceps; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as established patient problem focused exam of visual system and imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Dr. Mastman's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mastman. If this is you, claiming it is free.

Guide.md

Licensing & Certification

CA licenseA37122
NPI1386683191
NPI issued06/06/2006

Source: NPPES NPI Registry

Is this your profile?

Verify your identity to control how patients — and AI assistants — describe you.

Claim this profile

Related providers

Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.

Related specialists at this location 1

Clinically related specialties at the same address — the people this provider most likely works alongside.

Also at this address 4

Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.

Other ophthalmology specialists in San Jose 8

Same specialty, same city.

More connections — 24 related providers in 3 groups

Trained at Other 8

Other providers in the same specialty who trained at the same institution.

Class of 1981 at Other 8

Providers who graduated from the same medical school in the same year.

Also performs Removal of recurring cataract in lens capsule using a laser 8

Providers in CA who bill this service to Medicare most often.

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.