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Endocrinology

Richard O. Dolinar, MD

Sees patients in Phoenix, AZ · Arizona

Summary

Dr. Richard O. Dolinar, MD is an endocrinologist at 15640 N 28th Dr, Phoenix, AZ 85053. Phone: (602) 439-9623. Accepts Medicare assignment. In 2024, Richard O. Dolinar had 197 Original Medicare patients and 3,481 services. NPI 1548227028. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Endocrinologist (Medicare lists Endocrinology)
  • Address: 15640 N 28th Dr, Phoenix, AZ 85053 · Directions
  • Phone: (602) 439‑9623
  • Medicare: Accepts Medicare assignment
  • Group practice: Arizona Endocrinology Center PLC
  • Medical school: State University Of New York At Buffalo School Of Medicine · graduated 1972 (54 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Richard O. Dolinar, 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 Richard O. Dolinar accept Medicare assignment?
Yes. Medicare's clinician data says Richard O. Dolinar 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 Richard O. Dolinar see?
In 2024, CMS data shows 197 Original Medicare patients and 3,481 services for Richard O. Dolinar. This counts Original Medicare only and measures volume, not quality.
What is Richard O. Dolinar's NPI number?
1548227028. 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 Richard O. Dolinar, 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 patients197
Services billed to Medicare3,481
Different services or procedures32
Participating Medicare providerYes
Average age of these patients74

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)445 services
  2. Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)387 services
  3. Insertion of needle into vein for collection of blood sample (36415)339 services
  4. Blood test, comprehensive group of blood chemicals (80053)332 services
  5. Hemoglobin a1c level (83036)309 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%
  • Diabetes75%
  • Arthritis51%
  • Ischemic heart disease40%
  • Chronic kidney disease39%

Practice locations

Addresses where Richard O. Dolinar is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Richard O. Dolinar as a member of this group (CMS data updated October 2, 2026).

  • Arizona Endocrinology Center PLC10 clinicians in the group

Specialties

Find other Endocrinology doctors in Arizona →

Other endocrinologists in Phoenix

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

All endocrinologists in Phoenix →

Other clinicians in Arizona Endocrinology Center PLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolState University Of New York At Buffalo School Of Medicine
Graduation year1972 (54 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548227028
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians