Hien Huy Nguyen, MD
Infectious Disease Physician · Sacramento, CA
Hien Huy Nguyen, MD is an infectious disease physician with a practice address in Sacramento, California, and NPI 1811974843, issued on Dec 30, 2005. Check the license (California A66151, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hien Huy Nguyen
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A66151 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2315 Stockton Boulevard, Sacramento, CA 95817
- Phone
- (916) 734-7506
- Enumerated
- Dec 30, 2005
- Record last updated
- Apr 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (916) 734-4810
- Medicaid ID
- 00A661510 CA
- Medicare enrollment
- Enrolled (PECOS I20070413000362); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 2315 Stockton Boulevard
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hien Huy Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A66151Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average infectious disease physician in 2024
238 Medicare Part D claims for 50 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims. 16 claims were for opioids.
Most prescribed
- Methenamine Hippurate30 claims
- Azithromycin19 claims
- Atovaquone-Proguanil Hcl14 claims
- Amlodipine Besylate13 claims
- Genvoya13 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 one group practice
- Regents OF The Univ OF CASacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hien Huy Nguyen among 1,119 infectious disease physician records in California
Hien Huy Nguyen, MD is one of 1,119 infectious disease 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1997 · median 2003 among the 735 with a school on file
- Record last updated2008 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in Sacramento → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- David Asmuth, M.D.Sacramento, CA 958171972573046
- Carol Berry, MDSacramento, CA 958171669550307
- Stuart Cohen, M.D.Sacramento, CA 958171043290455
- Nancy Fitch, N.P.Sacramento, CA 958171720047467
- Neil Flynn, M.D., M.P.H., ABPMSacramento, CA 958171154301935
- Vera Go, M.D.Sacramento, CA 958171225012750
- Archana Maniar, M.D.Sacramento, CA 958171629058664
- Babatunde Otulana, M.D.Sacramento, CA 958171306823166
Common questions
What is Hien Huy Nguyen, MD's NPI number?
Hien Huy Nguyen, MD's National Provider Identifier (NPI) is 1811974843, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Hien Huy Nguyen, MD located?
The NPPES record lists a practice address at 2315 Stockton Boulevard, Sacramento, CA, 95817. Phone: (916) 734-7506. Providers update this record themselves, so call before visiting.
How can I verify Hien Huy Nguyen, MD's license?
NPPES lists California license number A66151, 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 Hien Huy Nguyen, MD prescribe under Medicare Part D?
In 2024, Hien Huy Nguyen, MD had 238 Medicare Part D claims for 50 beneficiaries; the average among infectious disease physician prescribers was 689. 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.