Are you Robert S. Mastman, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 2577 Samaritan Dr, Suite 740, San Jose, CA 95124
About Dr. 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. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient problem focused exam of visual system, and imaging of retina. NPI 1386683191 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (408) 358-2029
- Email not available
Practice Locations
2577 SAMARITAN DR SUITE 740
San Jose, CA 95124
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
2,938 services · 2,546 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
33 | As often as other peers in Ophthalmology |
| Removal of eyelashes using forceps | Procedure | 67820 |
14 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
42 | More often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
553 | More often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
375 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
294 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
237 | More often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
167 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
107 | Less often than most peers in Ophthalmology |
| New patient problem focused exam of visual system | Treatment | 92002 |
39 | More often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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 eye doctors 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.
Common questions
What does Robert S. Mastman specialize in?
Robert S. Mastman is an eye doctor in San Jose, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Robert S. Mastman located?
Robert S. 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 Robert S. Mastman's phone number?
The number on file is (408) 358-2029. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Robert S. Mastman?
Robert S. 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 Robert S. Mastman train?
Robert S. Mastman attended Other, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Robert S. Mastman have?
Robert S. Mastman has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What does Robert S. Mastman do most often?
According to Medicare billing data, Robert S. 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 Robert S. Mastman's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Robert S. Mastman. If this is you, claiming it is free.
Guide.md
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