KRISTINE GU MD
NPI 1033614888
Internal Medicine - Endocrinology, Diabetes & Metabolism in San Francisco, CA

Q: 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.

Q: 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.

Q: 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 8 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.

Active since March 26, 2018PECOS EnrolledAccepts Medicare Assignment

995 POTRERO AVE BLDG 90, SAN FRANCISCO, CA 94110(415) 514-9031 Get Directions Write a Review

NPPES record last updated: December 12, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 12, 2025, Apr 2, 2024, Mar 26, 2018 (3 updates tracked since 2018).

On this page

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

NPI1033614888

Entity TypeIndividualFemale

Primary Taxonomy207RE0101X

Provider Legal NameKRISTINE GUCredential: MD

Location Address995 POTRERO AVE BLDG 90San Francisco, CA 94110-2859

Mailing AddressPo Box 743749Los Angeles, CA 90074-3749 · (628) 206-8000

Phone(415) 514-9031

Sole ProprietorNo

Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2008

Enumeration DateMarch 26, 2018

Last NPPES UpdateDecember 12, 20253 updates tracked since enumeration

NPPES CertifiedDecember 12, 2025

✔ NPI 1033614888 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in CA · 166530

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedInternal MedicineTaxonomy 207R00000X · License 166530 (CA)

995 POTRERO AVE BLDG 90, San Francisco, CA 94110

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID42621831

PECOS Enrollment IDI20250821000317

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

18 services18 patients

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, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220071

Location55 Fruit StreetBoston, MA 02114 · Suffolk County

Emergency services Birthing friendly

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.

New Patient

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

EMMA WEINBERGER

Specialist

995 POTRERO AVE BLDG 90
SAN FRANCISCO, CA 94110

San Francisco County (628) 206-3365

COURTNEY ANNE POPE

Counselor (Addiction (Substance Use Disorder))

995 POTRERO AVE BLDG 90
SAN FRANCISCO, CA 94110

San Francisco County (628) 206-3848

WONDELYN NETTLES-TUTWILER DRUG AND ALCOHOL

Counselor (Addiction (Substance Use Disorder))

995 POTRERO AVE BLDG 90
SAN FRANCISCO, CA 94110

San Francisco County (628) 206-3433

GILBERT ARELLANO RN

Registered Nurse (Addiction (Substance Use Disorder))

995 POTRERO AVE BLDG 90
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-8412

DR. GRANT N. COLFAX MD

Internal Medicine

995 POTRERO AVE BLDG 90, SFGH INTERNAL MEDICINE
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-8317

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.

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 8 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.