KRISTINE GU MD
NPI 1033614888
Internal Medicine - Endocrinology, Diabetes & Metabolism in San Francisco, CA
About Kristine Gu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTINE GU MD (NPI 1033614888) is an individual endocrinology, diabetes & metabolism provider in San Francisco, California, licensed in California (166530) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2008).
NPPES Registry Identity
Specialties & Licenses 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
Kristine Gu 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 Reassignments
2Medicare enrollment records show Kristine Gu reassigns Medicare billing to 2 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
- 637 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 1,573 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAPhysician 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 5
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 Kristine Gu's NPI number?
The NPI number for Kristine Gu is 1033614888. It was assigned to this individual provider in the NPPES registry on March 26, 2018.
Where is Kristine Gu located?
Kristine Gu practices at 995 Potrero Ave Bldg 90, San Francisco, CA 94110. The listed phone number is (415) 514-9031.
What is Kristine Gu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Kristine Gu enrolled in Medicare?
Yes. Kristine Gu 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 Kristine Gu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristine Gu reassigns Medicare benefits to 2 organizations: University Of California Sfgh Medical Group (San Francisco, CA) and City & County Of San Francisco (San Francisco, CA). 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 Kristine Gu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kristine Gu affiliated with any hospitals?
According to CMS data, Kristine Gu is affiliated with Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Kristine Gu was last updated on December 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Kristine Gu, MD · NPI 1033614888
Endocrinology, Diabetes & Metabolism physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 26, 2018.
## Identity
- **NPI:** 1033614888 (Entity type: Individual)
- **Enumerated:** March 26, 2018
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** 166530 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 995 POTRERO AVE BLDG 90, San Francisco, CA 94110-2859
- **Phone:** (415) 514-9031
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Of California Sfgh Medical Group (NPI 1356696215, San Francisco, CA); City & County Of San Francisco (NPI 1083648810, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albert Einstein College Of Medicine Of Yeshiva University, class of 2008
## Record status
- **NPPES last updated:** December 12, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1033614888) · Data from the CMS NPPES public registry.