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Internal Medicine

Donald A. Opila, MD

Works at hospitals in Phoenix, AZ · Scottsdale, AZ · Arizona

Summary

Dr. Donald A. Opila, MD is an internal medicine doctor at 3260 N Hayden Rd, Suite 103, Scottsdale, AZ 85251. Phone: (480) 994-1166. Accepts Medicare assignment. In 2024, Donald A. Opila had 632 Original Medicare patients and 20,713 services. NPI 1780684324. 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 Donald A. Opila, 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 Donald A. Opila accept Medicare assignment?
Yes. Medicare's clinician data says Donald A. Opila accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Donald A. Opila see?
In 2024, CMS data shows 632 Original Medicare patients and 20,713 services for Donald A. Opila. This counts Original Medicare only and measures volume, not quality.
What is Donald A. Opila's NPI number?
1780684324. 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 Donald A. Opila, 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 patients632
Services billed to Medicare20,713
Different services or procedures51
Participating Medicare providerYes
Average age of these patients80

Most frequent services

  1. Injection, denosumab, 1 mg (J0897)15,120 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,259 services
  3. Injection of drug or substance under skin or into muscle (96372)450 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)382 services
  5. Annual depression screening, 5 to 15 minutes (G0444)366 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).

  • Chronic kidney disease75%
  • High cholesterol73%
  • High blood pressure71%
  • Arthritis52%
  • Asthma43%
  • Heart failure41%

Hospitals where Donald A. Opila works

Medicare's Facility Affiliation Data lists Donald A. Opila 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 Donald A. Opila is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Scottsdale

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

All internal medicine doctors in Scottsdale →

Clinician information

CredentialMD
Medical schoolWashington University School Of Medicine
Graduation year1979 (47 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780684324
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