Dr. Gretchen E. Kunitz, MD

Dr. Kunitz practices at John Muir Physician Network in Walnut Creek, California.

Dr. Kunitz's NPI, 1144406273, was assigned on January 18, 2008. Dr. Kunitz graduated from UCSF School of Medicine in 1980. Dr. Kunitz holds California license G47367.

Dr. Kunitz's primary practice is John Muir Physician Network, at 2621 Shadelands Dr, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 296-9872.

Dr. Kunitz's primary practice is John Muir Physician Network in Walnut Creek, California. Dr. Kunitz is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is John Muir Medical Group. Dmand AI also links Dr. Kunitz to 2 more group practices and clinics and 1 medical group, each named with a free account.

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

Internal medicine is Dr. Kunitz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kunitz is board certified in internal medicine by the American Board of Internal Medicine. Dr. Kunitz is licensed in California.

Dmand AI lists asthma, chest wall injury, chronic diabetes, chronic hypertension, chronic kidney disease, conjunctivitis, ear infection and erectile dysfunction among the conditions Dr. Kunitz treats.

CMS data shows 126 Medicare services from Dr. Kunitz across 3 procedure codes in 2024, for 106 Medicare patients. Medicare paid $14,759 for them. Every service was in an office.

CMS counts 106 Medicare patients who saw Dr. Kunitz in 2024. The largest group is 65 to 74, with 54 patients. 66% of them have high blood pressure, and 62% have high cholesterol. Their average risk score is 0.83, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Kunitz's median patient age at 64, with 73% women.

In 2024, Dr. Kunitz wrote 143 Medicare Part D claims for 81 patients. 92% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $198 in total drug cost. In 2023, CMS named 16 claims across 1 drug.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Kunitz for performance year 2024, reported as part of a group. Dr. Kunitz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kunitz as offering telehealth.

Dmand AI links 1 paper to Dr. Kunitz.

CMS Open Payments shows 11 general payments to Dr. Kunitz from 9 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $44.

Dr. Kunitz graduated from UCSF School of Medicine in 1980.

Dr. Kunitz is in network with 13 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.