Christine Uyen Nguyen, M.D.
Internal Medicine Physician · Menifee, CA
Christine Uyen Nguyen, M.D. is an internal medicine physician with a practice address in Menifee, California, and NPI 1114947405, issued on Jul 20, 2006. Check the license (California A64451, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christine Uyen Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A64451 CA
Self-reported in NPPES; status is on the state search - Practice location
- 29798 Haun RD, Menifee, CA 92586
- Phone
- (951) 301-9339
- Enumerated
- Jul 20, 2006
- Record last updated
- Mar 22, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (951) 301-3980
- Medicare enrollment
- Enrolled (PECOS I20100519000527); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1986
- 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 29798 Haun RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Vadim Gurvits, D.O.Family Medicine Physician1790725398
- Sarah Harmon, D.P.T.Physical Therapist1174999593
- Laura Holzer, M.D.Internal Medicine Physician1972862092
- Jude Hsieh, PHARM.D.Pharmacist1760855829
Verify Christine Uyen Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A64451Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average internal medicine physician in 2024
4,924 Medicare Part D claims for 612 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 85 claims were for opioids.
Most prescribed
- Atorvastatin Calcium349 claims
- Levothyroxine Sodium309 claims
- Losartan Potassium200 claims
- Metformin Hcl175 claims
- Amlodipine Besylate161 claims
- Lisinopril161 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: $188.84
9 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Brian L Nguyen MD IncSun City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christine Uyen Nguyen among 17,696 internal medicine physician records in California
Christine Uyen Nguyen, M.D. 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1986 · median 2004 among the 11,065 with a school on file
- Record last updated2017 · 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).
8 internal medicine physician records list a practice address in Menifee
They are 8 of the 906 NPPES records with a practice address in Menifee, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Menifee → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Tomas Araneta, M.D.Menifee, CA 925861952419970
- Duane Darnell, DOSun City, CA 925861831199728
- Linda Evans, MDSun City, CA 925861891896775
- Edivina Gonzales, M.D.Sun City, CA 925861386670479
- Patrick Gonzales, M.D.Sun City, CA 925861194751289
- James Krieg, M.D.Sun City, CA 925861568431120
- Richard Lam, MDSun City, CA 925861003830191
- Stephen Nguyen, MDSun City, CA 925861619976644
Common questions
What is Christine Uyen Nguyen, M.D.'s NPI number?
Christine Uyen Nguyen, M.D.'s National Provider Identifier (NPI) is 1114947405, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christine Uyen Nguyen, M.D. located?
The NPPES record lists a practice address at 29798 Haun RD, Menifee, CA, 92586. Phone: (951) 301-9339. Providers update this record themselves, so call before visiting.
How can I verify Christine Uyen Nguyen, M.D.'s license?
NPPES lists California license number A64451, 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 Christine Uyen Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Christine Uyen Nguyen, M.D. had 4,924 Medicare Part D claims for 612 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.