ANDREW THOMAS GRAY MD PHD
NPI 1396790044
Anesthesiology in San Francisco, CA
About Andrew Thomas Gray Md Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW THOMAS GRAY MD PHD (NPI 1396790044) is an individual anesthesiology provider in San Francisco, California, licensed in California (G73206) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Andrew Thomas Gray Md Phd 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 Andrew Gray reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 842 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 2
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 94110
SAN FRANCISCO, CA 94110
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 Andrew Gray's NPI number?
The NPI number for Andrew Gray is 1396790044. It was assigned to this individual provider in the NPPES registry on May 23, 2006.
Where is Andrew Gray located?
Andrew Gray practices at 1001 Potrero Avenue Rm 3c34, San Francisco, CA 94110. The listed phone number is (415) 206-8934.
What is Andrew Gray's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Andrew Gray enrolled in Medicare?
Yes. Andrew Gray 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 Andrew Gray's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Gray reassigns Medicare benefits to University Of California Sfgh Medical Group (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 Andrew Gray'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 Andrew Gray was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Andrew Thomas Gray, MD PHD · NPI 1396790044
Anesthesiology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since May 23, 2006.
## Identity
- **NPI:** 1396790044 (Entity type: Individual)
- **Enumerated:** May 23, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** G73206 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1001 POTRERO AVENUE, RM 3C34, San Francisco, CA 94110-3518
- **Phone:** (415) 206-8934 · **Fax:** (415) 206-3101
## 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:** University Of California Sfgh Medical Group (NPI 1174598296, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Medicaid 00G732060 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1396790044) · Data from the CMS NPPES public registry.