Dr. Robert S. Filer, MD

Dr. Filer practices at Plastic Surgery Associates Surgery Center in San Mateo, California.

Dr. Filer's NPI, 1467520833, was assigned on December 1, 2006. Dr. Filer graduated from McGill University Faculty of Medicine in 1989. Dr. Filer holds California license A49487.

Dr. Filer's primary practice is Plastic Surgery Associates Surgery Center, at 50 S San Mateo Dr, San Mateo, CA 94401 in San Mateo County. The practice phone is (650) 348-5882.

Dr. Filer's primary practice is Plastic Surgery Associates Surgery Center in San Mateo, California. Dr. Filer is also affiliated with Mills-Peninsula Medical Center. Dmand AI also links Dr. Filer to 2 more group practices and clinics and 2 medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Filer practices, 3 sites in all. Vendor and product names are available with a free account.

Ophthalmology is Dr. Filer's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Filer is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Filer's licenses on file in 4 states: California, Georgia, Texas and New York.

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eye infection or inflammation, eyelid inflammation and glaucoma among the conditions Dr. Filer treats.

CMS data shows 5,710 Medicare services from Dr. Filer across 18 procedure codes in 2024, for 1,587 Medicare patients. Medicare paid $453,106 for them.

CMS counts 1,587 Medicare patients who saw Dr. Filer in 2024. The largest group is 75 to 84, with 717 patients. 75% of them have high cholesterol, and 66% have high blood pressure. 1% are also on Medicaid. Their average risk score is 0.93, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Filer's median patient age at 75, with 58% women.

In 2024, Dr. Filer wrote 1,204 Medicare Part D claims for 331 patients. 43% of them were for generic drugs. CMS names the drug for 1,076 of them, across 21 drugs with 11 or more claims each, at $226,596 in total drug cost. In 2023, CMS named 1,151 claims across 23 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Filer for performance year 2024, reported as part of a group. Dr. Filer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 257 procedures of cataract surgery by Dr. Filer, more than 87% of the clinicians it reports for that procedure.

CMS Open Payments shows 294 general payments to Dr. Filer from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 61% of the total. Johnson & Johnson Surgical Vision, Inc. paid the most, $3,456.

Dr. Filer graduated from McGill University Faculty of Medicine in 1989.

Dr. Filer is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.