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Family Practice

Kristina M. Diaz, MD

Works at hospitals in Yuma, AZ · Arizona

Summary

Dr. Kristina M. Diaz, MD is a family doctor at 2400 S Ave A, Yuma, AZ 85364. May accept Medicare assignment. In 2024, Kristina M. Diaz had 55 Original Medicare patients and 233 services. NPI 1407053556. 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.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 2400 S Ave A, Yuma, AZ 85364 · Directions
  • Medicare: May accept Medicare assignment
  • Hospital: Yuma Regional Medical Center
  • Medical school: graduated 2007 (19 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kristina M. Diaz, 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 Kristina M. Diaz accept Medicare assignment?
Medicare's clinician data says Kristina M. Diaz may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Kristina M. Diaz see?
In 2024, CMS data shows 55 Original Medicare patients and 233 services for Kristina M. Diaz. This counts Original Medicare only and measures volume, not quality.
What is Kristina M. Diaz's NPI number?
1407053556. 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 Kristina M. Diaz, 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 patients55
Services billed to Medicare233
Different services or procedures16
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)90 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)37 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)35 services
  4. Annual depression screening, 5 to 15 minutes (G0444)26 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)17 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%
  • Diabetes45%
  • Arthritis38%
  • Ischemic heart disease33%
  • Chronic kidney disease29%

Hospitals where Kristina M. Diaz works

Medicare's Facility Affiliation Data lists Kristina M. Diaz 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 Kristina M. Diaz is enrolled with Medicare (CMS data updated October 2, 2026).

  • 2400 S Ave AYuma, AZ 85364

Specialties

Find other Family Practice doctors in Arizona →

Other family doctors in Yuma

Clinicians with the same Medicare primary specialty in Yuma, AZ — not a recommendation.

All family doctors in Yuma →

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1407053556
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