DR. PHILLIP OLIVER COFFIN M.D.
NPI 1265616296
Hospitalist in San Francisco, CA
About Dr. Phillip Oliver Coffin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PHILLIP OLIVER COFFIN M.D. (NPI 1265616296) is an individual hospitalist provider in San Francisco, California, licensed in California (A119921) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Phillip Oliver Coffin M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Phillip Coffin reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 1,573 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 78 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Phillip Coffin's NPI number?
The NPI number for Phillip Coffin is 1265616296. It was assigned to this individual provider in the NPPES registry on December 27, 2007.
Where is Phillip Coffin located?
Phillip Coffin practices at 1001 Potrero Ave, San Francisco, CA 94110. The listed phone number is (628) 217-6282.
What is Phillip Coffin's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Phillip Coffin enrolled in Medicare?
Yes. Phillip Coffin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Phillip Coffin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Phillip Coffin reassigns Medicare benefits to 6 organizations: City & County Of San Francisco (San Francisco, CA), University Of California Sfgh Medical Group (San Francisco, CA), Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Phillip Coffin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Phillip Coffin was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Phillip Oliver Coffin, M.D. · NPI 1265616296
Hospitalist physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since December 27, 2007.
## Identity
- **NPI:** 1265616296 (Entity type: Individual)
- **Enumerated:** December 27, 2007
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A119921 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1001 POTRERO AVE, San Francisco, CA 94110-3518
- **Phone:** (628) 217-6282
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): City & County Of San Francisco (NPI 1083648810, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1326013442, San Francisco, CA); Regents Of The University Of California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** October 6, 2026
- **Other identifiers:** Medicaid 8563645 (WA); Other P00877589 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1265616296) · Data from the CMS NPPES public registry.