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Physician Assistant

Gina M. Castanares, PA

Works at hospitals in Clovis, CA · Fresno, CA · California

Summary

Gina M. Castanares, PA is a physician assistant at 2625 E Divisadero St, Fresno, CA 93721. May accept Medicare assignment. In 2024, Gina M. Castanares had 35 Original Medicare patients and 164 services. NPI 1972198455. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Gina M. Castanares, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Gina M. Castanares accept Medicare assignment?
Medicare's clinician data says Gina M. Castanares may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Gina M. Castanares see?
In 2024, CMS data shows 35 Original Medicare patients and 164 services for Gina M. Castanares. This counts Original Medicare only and measures volume, not quality.
What is Gina M. Castanares's NPI number?
1972198455. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Gina M. Castanares, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients35
Services billed to Medicare164
Different services or procedures31
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)12 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis75%
  • Diabetes40%
  • Ischemic heart disease37%
  • Depression31%

Hospitals where Gina M. Castanares works

Medicare's Facility Affiliation Data lists Gina M. Castanares at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Gina M. Castanares is enrolled with Medicare (CMS data updated October 2, 2026).

  • 2625 E Divisadero StFresno, CA 93721

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in Fresno

Clinicians with the same Medicare primary specialty in Fresno, CA — not a recommendation.

All physician assistants in Fresno →

Clinician information

CredentialPA
SchoolOregon Health Sciences University School Of Medicine
Graduation year2022
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1972198455
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians