GUADALUPE YESSENIA DIAZ DO
NPI 1164088548
Family Medicine in Fresno, CA

Q: What is Guadalupe Diaz's NPI number?

The NPI number for Guadalupe Diaz is 1164088548. It was assigned to this individual provider in the NPPES registry on May 11, 2019.

Q: What is Guadalupe Diaz's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Guadalupe Diaz was last updated on January 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 11, 2019PECOS Enrolled

2823 FRESNO ST, FRESNO, CA 93721(554) 436-2682(559) 443-2681 Get Directions Write a Review

NPPES record last updated: January 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 2, 2026, Jun 5, 2024, May 11, 2019 (3 updates tracked since 2019).

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About Guadalupe Yessenia Diaz Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GUADALUPE YESSENIA DIAZ DO (NPI 1164088548) is an individual family medicine provider in Fresno, California, licensed in California (20A22524) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164088548

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameGUADALUPE YESSENIA DIAZCredential: DO

Location Address2823 FRESNO STFresno, CA 93721-1324

Mailing Address2625 E Divisadero StFresno, CA 93721-1431 · (559) 443-2682 · Fax (559) 443-2681

Phone(554) 436-2682

Fax(559) 443-2681

Sole ProprietorNo

Enumeration DateMay 11, 2019

Last NPPES UpdateJanuary 2, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 2, 2026

✔ NPI 1164088548 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · 20A22524

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

2823 FRESNO ST, Fresno, CA 93721

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Guadalupe Yessenia Diaz Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93721 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.32 typical visit price

range $58.87 – $176.60

Typical copayment $22.58 (range $14.71 – $44.15)

Most-billed visit code 99203

Established Patient

$103.36 typical visit price

range $19.28 – $144.60

Typical copayment $25.84 (range $4.82 – $36.15)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHELLE LEA STORKAN M.D.

Emergency Medicine