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Internal Medicine

Rinely R. Aguiar Olsen, MD

Works at hospitals in Yuma, AZ · Arizona

Summary

Dr. Rinely R. Aguiar Olsen, MD is an internal medicine doctor at 2285 S Elks Lane, Yuma, AZ 85364. Phone: (928) 329-4761. Accepts Medicare assignment. In 2024, Rinely R. Aguiar Olsen had 582 Original Medicare patients and 5,237 services. NPI 1891786141. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2285 S Elks Lane, Yuma, AZ 85364 · Directions (1 more location)
  • Phone: (928) 329‑4761
  • Medicare: Accepts Medicare assignment
  • Hospital: Yuma Regional Medical Center
  • Medical school: Ohio State University College Of Medicine · graduated 1997 (29 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rinely R. Aguiar Olsen, 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 Rinely R. Aguiar Olsen accept Medicare assignment?
Yes. Medicare's clinician data says Rinely R. Aguiar Olsen 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 Rinely R. Aguiar Olsen see?
In 2024, CMS data shows 582 Original Medicare patients and 5,237 services for Rinely R. Aguiar Olsen. This counts Original Medicare only and measures volume, not quality.
What is Rinely R. Aguiar Olsen's NPI number?
1891786141. 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 Rinely R. Aguiar Olsen, 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 patients582
Services billed to Medicare5,237
Different services or procedures45
Participating Medicare providerYes
Average age of these patients77

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)1,692 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)1,639 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)211 services
  4. Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage (90656)183 services
  5. Injection, dexamethasone sodium phosphate, 1 mg (J1100)182 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 cholesterol75%
  • High blood pressure73%
  • Arthritis49%
  • Chronic kidney disease41%
  • Ischemic heart disease26%
  • Diabetes25%

Hospitals where Rinely R. Aguiar Olsen works

Medicare's Facility Affiliation Data lists Rinely R. Aguiar Olsen 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 Rinely R. Aguiar Olsen is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Yuma

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

All internal medicine doctors in Yuma →

Clinician information

CredentialMD
Medical schoolOhio State University College Of Medicine
Graduation year1997 (29 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891786141
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