Huy Anh Nguyen, D.O.
Family Medicine Physician · Grass Valley, CA
Huy Anh Nguyen, D.O. is a family medicine physician with a practice address in Grass Valley, California, and NPI 1467400853, issued on May 5, 2006. Check the license (California 20A7977, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Huy Anh Nguyen
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A7977 CA
Self-reported in NPPES; status is on the state search - Practice location
- 140 Litton Dr Ste 120, Grass Valley, CA 95945
- Phone
- (530) 272-9770
- Enumerated
- May 5, 2006
- Record last updated
- Oct 24, 2025
- Fax
- (530) 272-9796
- Medicaid ID
- GR0088401 CA
- Medicare enrollment
- Enrolled (PECOS I20050412000681); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 140 Litton Dr Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Lace, M.D., F.C.C.P.Critical Care Medicine (Internal Medicine) Physician1104840461
- Linda McIntosh, NPCommunity Health Registered Nurse1497977219
Verify Huy Anh Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A7977Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average family medicine physician in 2024
5,303 Medicare Part D claims for 589 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 555 claims were for opioids.
Most prescribed
- Atorvastatin Calcium335 claims
- Levothyroxine Sodium283 claims
- Hydrocodone-Acetaminophen228 claims
- Lisinopril219 claims
- Losartan Potassium191 claims
- Omeprazole150 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: $25.84
1 payment: food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Sierra Nevada Primary Care Physicians A Medical CorporationGrass Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Huy Anh Nguyen among 17,133 family medicine physician records in California
Huy Anh Nguyen, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2000 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 family medicine physician records list a practice address in Grass Valley
They are 36 of the 1,540 NPPES records with a practice address in Grass Valley, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Grass Valley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Garrett Eckerling, M.D.Grass Valley, CA 959451215937388
- Jill Fitzpatrick, MDGrass Valley, CA 959451689640658
- Linda Foshagen, DOGrass Valley, CA 959451568420750
- Constance Gaulter, M.D.Grass Valley, CA 959451508881459
- John Jackson, MDGrass Valley, CA 959451487689840
- Byron Lake, M.D.Grass Valley, CA 959451891832242
- Frank Lang, M.D.Grass Valley, CA 959451417942939
- Veronica Minier, MDGrass Valley, CA 959451720050909
Common questions
What is Huy Anh Nguyen, D.O.'s NPI number?
Huy Anh Nguyen, D.O.'s National Provider Identifier (NPI) is 1467400853, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Huy Anh Nguyen, D.O. located?
The NPPES record lists a practice address at 140 Litton Dr Ste 120, Grass Valley, CA, 95945. Phone: (530) 272-9770. Providers update this record themselves, so call before visiting.
How can I verify Huy Anh Nguyen, D.O.'s license?
NPPES lists California license number 20A7977, 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 Huy Anh Nguyen, D.O. prescribe under Medicare Part D?
In 2024, Huy Anh Nguyen, D.O. had 5,303 Medicare Part D claims for 589 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.