Guadalupe Yessenia Diaz, DO
Family Medicine Physician · Fresno, CA
Guadalupe Yessenia Diaz, DO is a family medicine physician with a practice address in Fresno, California, and NPI 1164088548, issued on May 11, 2019. Check the license (California 20A22524, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Guadalupe Yessenia Diaz
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A22524 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2823 Fresno St, Fresno, CA 93721
- Phone
- (554) 436-2682
- Enumerated
- May 11, 2019
- Record last updated
- Jan 2, 2026
- Fax
- (559) 443-2681
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2823 Fresno St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shahrin Abdalian, NPAcute Care Nurse Practitioner1043716186
- Mariam Abdelkader, MDCritical Care Medicine (Internal Medicine) Physician1689022824
- Majdi Abdulmaula, M.DInternal Medicine Physician1295260529
- Reema Aboelrish, PA-CMedical Physician Assistant1376466144
- Reem Aboushaar, MDPediatrics Physician1013543933
- Inas Abukraa, M.DFamily Medicine Physician1376115881
Verify Guadalupe Yessenia Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A22524Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average family medicine physician in 2024
352 Medicare Part D claims for 88 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Atorvastatin Calcium28 claims
- Amlodipine Besylate22 claims
- Trulicity20 claims
- Lisinopril17 claims
- Metformin Hcl16 claims
- Ibuprofen15 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.
Guadalupe Yessenia Diaz among 17,133 family medicine physician records in California
Guadalupe Yessenia Diaz, DO 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 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 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).
237 family medicine physician records list a practice address in Fresno
They are 237 of the 19,440 NPPES records with a practice address in Fresno, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Fresno → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Luis Bautista, MDFresno, CA 937211295712206
- Shania Flagg, MDFresno, CA 937211255770632
- Jose Flores, MDFresno, CA 937211700945136
- Ivan Gomez, MDFresno, CA 937211780791475
- Lydia Herrera-MataFresno, CA 937211811900558
- Muhammad Khan, M.D.Fresno, CA 937211568881977
- Robin Linscheid Janzen, MDFresno, CA 937211093985830
- Mary McLain, M.D.Fresno, CA 937211184916579
Common questions
What is Guadalupe Yessenia Diaz, DO's NPI number?
Guadalupe Yessenia Diaz, DO's National Provider Identifier (NPI) is 1164088548, issued on May 11, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Guadalupe Yessenia Diaz, DO located?
The NPPES record lists a practice address at 2823 Fresno St, Fresno, CA, 93721. Phone: (554) 436-2682. Providers update this record themselves, so call before visiting.
How can I verify Guadalupe Yessenia Diaz, DO's license?
NPPES lists California license number 20A22524, 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 Guadalupe Yessenia Diaz, DO prescribe under Medicare Part D?
In 2024, Guadalupe Yessenia Diaz, DO had 352 Medicare Part D claims for 88 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.