Christina Wang, MD
Internal Medicine Physician · San Francisco, CA
Christina Wang, MD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1427634393, issued on Mar 22, 2021. Check the license (California A189491, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christina Wang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A189491 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1490 Mason St, San Francisco, CA 94133
- Phone
- (628) 217-6500
- Enumerated
- Mar 22, 2021
- Record last updated
- Apr 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20240816001539); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1490 Mason St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elizabeth Foy, RNCommunity Health Registered Nurse1902091200
- Betty King, MSN-FNPFamily Nurse Practitioner1083705719
- Stephanie Le, M.D.Family Medicine Physician1790129989
- Shirley Li, NPFamily Nurse Practitioner1184934408
Verify Christina Wang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A189491Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
287 Medicare Part D claims for 67 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium30 claims
- Amlodipine Besylate14 claims
- Mirtazapine14 claims
- Metoprolol Succinate12 claims
- Gabapentin11 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.
Bills Medicare through 2 group practices
- City And County OF San FranciscoSan Francisco, CA
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christina Wang among 17,696 internal medicine physician records in California
Christina Wang, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2021 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Leila Alpers, M.D.San Francisco, CA 941331881706935
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- Kenneth Chang, MDSan Francisco, CA 941331609832724
- Qingquan Fu, MDSan Francisco, CA 941331578673620
- Judy Hsu, MDSan Francisco, CA 941331043384050
- Jack Huynh, MDSan Francisco, CA 941331548334543
- Thinn Khaing, M.D.San Francisco, CA 941331396939724
- Edward Ko, MDSan Francisco, CA 941331841364841
Common questions
What is Christina Wang, MD's NPI number?
Christina Wang, MD's National Provider Identifier (NPI) is 1427634393, issued on Mar 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Christina Wang, MD located?
The NPPES record lists a practice address at 1490 Mason St, San Francisco, CA, 94133. Phone: (628) 217-6500. Providers update this record themselves, so call before visiting.
How can I verify Christina Wang, MD's license?
NPPES lists California license number A189491, 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 Wang, MD prescribe under Medicare Part D?
In 2024, Christina Wang, MD had 287 Medicare Part D claims for 67 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.