Christina Gu
Endocrinology, Diabetes & Metabolism Physician · Stanford, CA
Christina Gu is an endocrinology, diabetes & metabolism physician with a practice address in Stanford, California, and NPI 1104575000, issued on Mar 20, 2022. Check the license (California A188973, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christina Gu
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A188973 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr RM S025, Stanford, CA 94305
- Phone
- (650) 723-5948
- Enumerated
- Mar 20, 2022
- Record last updated
- Apr 26, 2025
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 300 Pasteur Dr RM S025
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tamaryn Fox, MDEndocrinology, Diabetes & Metabolism Physician1447745161
- Sun Kim, M.D., M.S.Endocrinology, Diabetes & Metabolism Physician1083894844
- Fredric Kraemer, MDEndocrinology, Diabetes & Metabolism Physician1780796037
- Michael Li, MD, PHDInternal Medicine Physician1023758380
- Jairo Norena Velasquez, MDEndocrinology, Diabetes & Metabolism Physician1174152938
- Kaleena Zhang, MDStudent in an Organized Health Care Education/Training Program1366185480
Verify Christina Gu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A188973Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
330 Medicare Part D claims for 59 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Levothyroxine Sodium19 claims
- Amlodipine Besylate16 claims
- Atorvastatin Calcium16 claims
- Gabapentin15 claims
- Fluoxetine Hcl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $25.04
1 payment: food and beverage; the largest payer was Kiniksa Pharmaceuticals International, plc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Christina Gu among 1,131 endocrinology, diabetes & metabolism physician records in California
Christina Gu is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than over 99% of them.
- NPI issued2022 · over 99% of these records are older, under 1% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Stanford → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Justin Annes, M.D.Stanford, CA 943051013027424
- Marina Basina, MDStanford, CA 943051023196805
- Carlos Camargo, M.D.Stanford, CA 943051831233253
- Ajay Chawla, MD, PHDStanford, CA 943051154457315
- Neil Gesundheit, MDStanford, CA 943051871629030
- Andrew Hoffman, M.D.Stanford, CA 943051619924685
- Fredric Kraemer, MDStanford, CA 943051780796037
- Jennifer Lee, M.D.Stanford, CA 943051558455071
Common questions
What is Christina Gu's NPI number?
Christina Gu's National Provider Identifier (NPI) is 1104575000, issued on Mar 20, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Christina Gu located?
The NPPES record lists a practice address at 300 Pasteur Dr RM S025, Stanford, CA, 94305. Phone: (650) 723-5948. Providers update this record themselves, so call before visiting.
How can I verify Christina Gu's license?
NPPES lists California license number A188973, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christina Gu prescribe under Medicare Part D?
In 2024, Christina Gu had 330 Medicare Part D claims for 59 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.