Dr. Chi-Hua Maria Fang, MD

Dr. Fang practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health.

Dr. Fang's NPI, 1568523751, was assigned on December 12, 2006. Dr. Fang graduated from Boston University School Of Medicine in 1988. Dr. Fang's California license number on file is G67095.

Dr. Fang's primary practice is John Muir Medical Center, Walnut Creek, at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 939-3000.

Dr. Fang's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. The medical group on file is John Muir Health. Dmand AI also links Dr. Fang to 1 more hospital, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fang practices, 2 sites in all. Vendor and product names are available with a free account.

Ophthalmology is Dr. Fang's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Fang is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Fang's licenses on file in 2 states: California and Illinois.

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

CMS data shows 1,358 Medicare services from Dr. Fang across 11 procedure codes in 2024, for 443 Medicare patients. Medicare paid $151,275 for them.

CMS counts 443 Medicare patients who saw Dr. Fang in 2024. The largest group is 75 to 84, with 185 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Fang's median patient age at 69, with 62% women.

In 2024, Dr. Fang wrote 381 Medicare Part D claims for 140 patients. 52% of them were for generic drugs. CMS names the drug for 338 of them, across 12 drugs with 11 or more claims each, at $74,625 in total drug cost. In 2023, CMS named 454 claims across 13 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Fang for performance year 2024, reported individually. Dr. Fang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 90 procedures of cataract surgery by Dr. Fang, more than 73% of the clinicians it reports for that procedure.

CMS Open Payments shows 50 general payments to Dr. Fang from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 58% of the total. Johnson & Johnson Surgical Vision, Inc. paid the most, $3,956.

Dr. Fang graduated from Boston University School Of Medicine in 1988.

Dr. Fang is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.