Dr. Robert S. Mastman, MD

Dr. Mastman practices at Spectrum Eye Physicians, a Medical Corporation in Cupertino, California.

Dr. Mastman's NPI, 1386683191, was assigned on June 6, 2006. Dr. Mastman graduated from Universidad Autonoma de Guadalajara in 1977. Dr. Mastman holds California license A37122.

Dr. Mastman's primary practice is Spectrum Eye Physicians, a Medical Corporation, at 10300 S De Anza Blvd, Cupertino, CA 95014 in Santa Clara County. The practice phone is (408) 253-3083.

Dr. Mastman's primary practice is Spectrum Eye Physicians, a Medical Corporation in Cupertino, California. Dmand AI also links Dr. Mastman to 1 group practice or clinic and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mastman practices. Vendor and product names are available with a free account.

Ophthalmology is Dr. Mastman's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Mastman is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Mastman's licenses on file in 3 states: California, New York and New Mexico.

Dmand AI lists age-related macular degeneration, cataract, cold sores or genital herpes, conjunctivitis, dry eye, eye infection or inflammation, eyelid inflammation and glaucoma among the conditions Dr. Mastman treats.

CMS data shows 2,938 Medicare services from Dr. Mastman across 14 procedure codes in 2024, for 1,261 Medicare patients. Medicare paid $257,964 for them. Every service was in an office.

CMS counts 1,261 Medicare patients who saw Dr. Mastman in 2024. The largest group is 75 to 84, with 559 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Mastman's median patient age at 70, with 58% women.

In 2024, Dr. Mastman wrote 1,097 Medicare Part D claims for 377 patients. 38% of them were for generic drugs. CMS names the drug for 995 of them, across 21 drugs with 11 or more claims each, at $181,703 in total drug cost. In 2023, CMS named 995 claims across 17 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Mastman for performance year 2024, reported as part of a group. Dr. Mastman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 31 procedures of cataract surgery by Dr. Mastman, more than 54% of the clinicians it reports for that procedure.

CMS Open Payments shows 186 general payments to Dr. Mastman from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Sun Pharmaceutical Industries Inc. paid the most, $545.

Dmand AI lists 2 awards for Dr. Mastman.

Dr. Mastman graduated from Universidad Autonoma de Guadalajara in 1977. Dr. Mastman is a member of AAO.

Dr. Mastman is in network with 20 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.