Dr. Phillip Oliver Coffin, MD

Dr. Coffin practices at Alta Bates Summit Medical Center in Oakland, California, part of Sutter Health.

Dr. Coffin's NPI, 1265616296, was assigned on December 27, 2007. Dr. Coffin graduated from UCSF School of Medicine in 2006. Dr. Coffin holds California license A119921.

Dr. Coffin's primary practice is Alta Bates Summit Medical Center, at 350 Hawthorne Avenue, Oakland, CA 94609 in Alameda County. The practice phone is (510) 655-4000.

Dr. Coffin's primary practice is Alta Bates Summit Medical Center in Oakland, California, part of Sutter Health. Dr. Coffin is also affiliated with Zuckerberg San Francisco General Hospital and Trauma Center. The medical group on file is UCSF Medical Group. Dmand AI also links Dr. Coffin to 1 more hospital, 5 medical groups and 3 group practices and clinics, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Coffin practices, 6 sites in all. Vendor and product names are available with a free account.

Hospitalist is Dr. Coffin's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Coffin is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Coffin's licenses on file in 3 states: California, Washington and New York.

Dmand AI lists congestive heart failure and heart attack among the conditions Dr. Coffin treats.

CMS data shows 111 Medicare services from Dr. Coffin across 1 procedure code in 2024, for 113 Medicare patients. Medicare paid $15,803 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 113 Medicare patients who saw Dr. Coffin in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 2.58, 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. Coffin's median patient age at 65, with 41% women.

In 2024, Dr. Coffin wrote 588 Medicare Part D claims for 15 patients. 76% of them were for generic drugs. CMS names the drug for 437 of them, across 25 drugs with 11 or more claims each, at $364,160 in total drug cost. In 2023, CMS named 299 claims across 20 drugs.

Dr. Coffin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 122 papers to Dr. Coffin, published from 2004 to 2025. 2022 was the busiest year, with 12. The most frequent topics are Drug Overdose, Analgesics, Opioid and San Francisco. Dr. Coffin has published most often in Drug Alcohol Depend. Dr. Coffin's most frequent co-authors are Leslie Suen, MD, Steven Batki, MD and Grant N. Colfax, MD.

Dmand AI links Dr. Coffin to 12 clinical trials, 5 of them phase 2 studies. 1 is still active or recruiting. Conditions studied include Substance-Related Disorders, Amphetamine-Related Disorders and Drug Overdose. San Francisco Department of Public Health sponsors the most, 8.

Dr. Coffin graduated from UCSF School of Medicine in 2006. Dr. Coffin is a member of ACP, College on Problems of Drug Dependence and IDSA.

Dr. Coffin is in network with 11 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.