Diana Nguyen, M.D.
Obstetrics & Gynecology Physician · Fresno, CA
Diana Nguyen, M.D. is an obstetrics & gynecology physician with a practice address in Fresno, California, and NPI 1316241847, issued on Dec 23, 2010. Check the license (California A117288, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diana Nguyen
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A117288 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2210 E Illinois Ave, Fresno, CA 93701
- Phone
- (559) 486-8888
- Enumerated
- Dec 23, 2010
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 2210 E Illinois Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anne BomarPediatric Nurse Practitioner1952552531
- Amandeep DhillonFamily Nurse Practitioner1932776382
- Virginia Fonte, MDGynecology Physician1417958315
- Nanette Guadiana, RN NPWomen's Health Nurse Practitioner1053399030
- Linda Gutierrez, PAMedical Physician Assistant1437136348
Verify Diana Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A117288Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
19 Medicare Part D claims for 11 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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: $157.58
1 payment: food and beverage; the largest payer was Amgen Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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.
Diana Nguyen among 5,088 obstetrics & gynecology physician records in California
Diana Nguyen, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 70% of them.
- NPI issued2010 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Fresno → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Nahia Amoura, MDFresno, CA 937011891752606
- Christopher Downer, M.D.Fresno, CA 937011205003233
- Pamela Emeney, M.D.Fresno, CA 937011033260559
- Mariah Grace, D.OFresno, CA 937011164727368
- Paul Madsen, M.D.Fresno, CA 937011053337014
- Shelley McCormack, MD/PHARMDFresno, CA 937011275920431
- Kim Morris, N.P.Fresno, CA 937011043345853
- Teresa MunozFresno, CA 937011700112943
Common questions
What is Diana Nguyen, M.D.'s NPI number?
Diana Nguyen, M.D.'s National Provider Identifier (NPI) is 1316241847, issued on Dec 23, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Diana Nguyen, M.D. located?
The NPPES record lists a practice address at 2210 E Illinois Ave, Fresno, CA, 93701. Phone: (559) 486-8888. Providers update this record themselves, so call before visiting.
How can I verify Diana Nguyen, M.D.'s license?
NPPES lists California license number A117288, 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 Diana Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Diana Nguyen, M.D. had 19 Medicare Part D claims for 11 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.