Joseph An Vu, MD
Endocrinology, Diabetes & Metabolism Physician · Sacramento, CA
Joseph An Vu, MD is an endocrinology, diabetes & metabolism physician with a practice address in Sacramento, California, and NPI 1790998490, issued on May 8, 2007. Check the license (California 664839, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph An Vu
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 664839 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4150 V St, Sacramento, CA 95817
- Phone
- (916) 734-3730
- Enumerated
- May 8, 2007
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (916) 734-7953
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 4150 V St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph An Vu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 664839Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
803 Medicare Part D claims for 240 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Methimazole228 claims
- Levothyroxine Sodium89 claims
- Alendronate Sodium39 claims
- Testosterone39 claims
- Calcitriol30 claims
- Hydrocortisone28 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.
Joseph An Vu among 1,131 endocrinology, diabetes & metabolism physician records in California
Joseph An Vu, MD 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 42% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2021 · 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 Sacramento → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Thomas Aoki, MDSacramento, CA 958171730151655
- Lars Berglund, MD PHDSacramento, CA 958171417929696
- Aili Guo, MDSacramento, CA 958171598822645
- Kent Ishihara, M.D.Sacramento, CA 958171679658280
- Siddika Karakas, M.D.Sacramento, CA 958171386629970
- Erin McCorry, M.D.Sacramento, CA 958171134495146
- James McMonagle, MDSacramento, CA 958171528174901
- Mark Moriwaki, M.D.Sacramento, CA 958171295716090
Common questions
What is Joseph An Vu, MD's NPI number?
Joseph An Vu, MD's National Provider Identifier (NPI) is 1790998490, issued on May 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joseph An Vu, MD located?
The NPPES record lists a practice address at 4150 V St, Sacramento, CA, 95817. Phone: (916) 734-3730. Providers update this record themselves, so call before visiting.
How can I verify Joseph An Vu, MD's license?
NPPES lists California license number 664839, 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 Joseph An Vu, MD prescribe under Medicare Part D?
In 2024, Joseph An Vu, MD had 803 Medicare Part D claims for 240 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.