GREGORY MILLETTE BUNCKE MD
NPI 1396736633
Surgery - Plastic and Reconstructive Surgery in San Francisco, CA
About Gregory Millette Buncke Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY MILLETTE BUNCKE MD (NPI 1396736633) is an individual plastic and reconstructive surgery provider in San Francisco, California, licensed in California (G49617) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Gregory Millette Buncke Md 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 Reassignment
Medicare enrollment records show Gregory Buncke reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94114
- Reassigned Medicare billing, California enrollment
- 8 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 9
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 94114
SAN FRANCISCO, CA 94114
SAN FRANCISCO, CA 94114
SAN FRANCISCO, CA 94114
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 Gregory Buncke's NPI number?
The NPI number for Gregory Buncke is 1396736633. It was assigned to this individual provider in the NPPES registry on November 4, 2005.
Where is Gregory Buncke located?
Gregory Buncke practices at 45 Castro St Suite 121, San Francisco, CA 94114. The listed phone number is (415) 456-5613.
What is Gregory Buncke's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Plastic and Reconstructive Surgery, with taxonomy code 2086S0122X.
Is Gregory Buncke enrolled in Medicare?
Yes. Gregory Buncke 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 organization bills Medicare for Gregory Buncke's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Buncke reassigns Medicare benefits to Buncke Medical Clinic Inc. (San Francisco, CA). The 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 Gregory Buncke'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 Gregory Buncke was last updated on October 14, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.
# Gregory Millette Buncke, MD · NPI 1396736633
Plastic and Reconstructive Surgery physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since November 4, 2005.
## Identity
- **NPI:** 1396736633 (Entity type: Individual)
- **Enumerated:** November 4, 2005
- **Primary specialty:** Surgery - Plastic and Reconstructive Surgery · taxonomy 2086S0122X
- **State license:** G49617 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 45 CASTRO ST, SUITE 121, San Francisco, CA 94114-1010
- **Phone:** (415) 456-5613 · **Fax:** (415) 864-1654
## 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:** Buncke Medical Clinic Inc. (NPI 1750371571, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 1981
## Record status
- **NPPES last updated:** October 14, 2008
- **Other identifiers:** Medicaid 00G496170 (CA); Medicare PIN 00G496170 (CA); Other OOG496170 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1396736633) · Data from the CMS NPPES public registry.