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Geriatric Medicine

Gretchen M. Orosz, MD

Works at hospitals in Highlands Ranch, CO · Aurora, CO · Colorado

Summary

Dr. Gretchen M. Orosz, MD is a geriatrician at 12605 E 16th Ave, Uchealth Anschutz Medical Campus, Aurora, CO 80045. Phone: (720) 848-0000. Accepts Medicare assignment. In 2024, Gretchen M. Orosz had 379 Original Medicare patients and 1,642 services. NPI 1609864842. 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: Geriatrician (Medicare lists Geriatric Medicine)
  • Address: 12605 E 16th Ave, Uchealth Anschutz Medical Campus, Aurora, CO 80045 · Directions (3 more locations)
  • Phone: (720) 848‑0000
  • Medicare: Accepts Medicare assignment
  • Hospitals: UCHealth Highlands Ranch Hospital, University of Colorado Hospital Authority
  • Group practice: University Physicians Incorporated
  • Medical school: University Of Illinois College Of Med (chi/peor/rock/chm-Urb) · graduated 1992 (34 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Gretchen M. Orosz, 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 Gretchen M. Orosz accept Medicare assignment?
Yes. Medicare's clinician data says Gretchen M. Orosz 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 Gretchen M. Orosz see?
In 2024, CMS data shows 379 Original Medicare patients and 1,642 services for Gretchen M. Orosz. This counts Original Medicare only and measures volume, not quality.
What is Gretchen M. Orosz's NPI number?
1609864842. 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 Gretchen M. Orosz, 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 patients379
Services billed to Medicare1,642
Different services or procedures22
Participating Medicare providerYes
Average age of these patients84

Most frequent services

  1. 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)604 services
  2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)519 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)284 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)72 services
  5. Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)38 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%
  • Arthritis62%
  • High cholesterol61%
  • Chronic kidney disease34%
  • Osteoporosis34%
  • Ischemic heart disease29%

Hospitals where Gretchen M. Orosz works

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

Group practices

Medicare enrollment lists Gretchen M. Orosz as a member of this group (CMS data updated October 2, 2026).

  • University Physicians Incorporated3,215 clinicians in the group

Specialties

Find other Geriatric Medicine doctors in Colorado →

Other geriatricians in Aurora

Clinicians with the same Medicare primary specialty in Aurora, CO — not a recommendation.

All geriatricians in Aurora →

Other clinicians in University Physicians Incorporated

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

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year1992 (34 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1609864842
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