Dr. Steven A. Harrison, MD

Dr. Harrison practices at Steven a Harrison MD a Professional Corporation in Walnut Creek, California.

Dr. Harrison's NPI, 1821023755, was assigned on July 11, 2006. Dr. Harrison graduated from New York University School of Medicine in 1987. Dr. Harrison's California license number on file is G63736.

Dr. Harrison's primary practice is Steven a Harrison MD a Professional Corporation, at 1299 Newell Hill Pl, Walnut Creek, CA 94596 in Contra Costa County. The practice phone is (925) 947-0505.

Dr. Harrison's primary practice is Steven a Harrison MD a Professional Corporation in Walnut Creek, California. Dr. Harrison is also affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. Dmand AI also links Dr. Harrison to 1 more 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. Harrison practices, 2 sites in all. Vendor and product names are available with a free account.

Retina specialist is Dr. Harrison's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dr. Harrison is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Harrison's licenses on file in 3 states: California, Utah and New York.

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, glaucoma, inflammation of iris, laser destruction of retinal or choroid lesions, retinal detachment and retinal occlusion among the conditions Dr. Harrison treats.

CMS data shows 14,169 Medicare services from Dr. Harrison across 15 procedure codes in 2024, for 755 Medicare patients. Medicare paid $1,132,343 for them. Every service was in an office.

CMS counts 755 Medicare patients who saw Dr. Harrison in 2024. The largest group is 75 to 84, with 285 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Harrison's median patient age at 77, with 45% women.

In 2024, Dr. Harrison wrote 161 Medicare Part D claims for 39 patients. 49% of them were for generic drugs. CMS names the drug for 143 of them, across 5 drugs with 11 or more claims each, at $4,904 in total drug cost. In 2023, CMS named 158 claims across 5 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Harrison for performance year 2024, reported individually. Dr. Harrison accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 23 general payments to Dr. Harrison from 6 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $326.

Dr. Harrison graduated from New York University School of Medicine in 1987.

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