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Internal Medicine

George M. Oehlsen, DO

Sees patients in Las Vegas, NV · Nevada

Summary

Dr. George M. Oehlsen, DO is an internal medicine doctor at 1800 W Charleston Blvd, Las Vegas, NV 89102. Phone: (702) 383-2000. Accepts Medicare assignment. In 2024, George M. Oehlsen had 27 Original Medicare patients and 30 services. NPI 1750328084. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1800 W Charleston Blvd, Las Vegas, NV 89102 · Directions (1 more location)
  • Phone: (702) 383‑2000
  • Medicare: Accepts Medicare assignment
  • Group practice: University Medical Center of Southern Nevada
  • Medical school: graduated 1993 (33 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about George M. Oehlsen, 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 George M. Oehlsen accept Medicare assignment?
Yes. Medicare's clinician data says George M. Oehlsen 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 George M. Oehlsen see?
In 2024, CMS data shows 27 Original Medicare patients and 30 services for George M. Oehlsen. This counts Original Medicare only and measures volume, not quality.
What is George M. Oehlsen's NPI number?
1750328084. 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 George M. Oehlsen, 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 patients27
Services billed to Medicare30
Different services or procedures7
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)12 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 cholesterol67%
  • High blood pressure59%

Practice locations

Addresses where George M. Oehlsen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • University Medical Center of Southern Nevada402 clinicians in the group

Specialties

Find other Internal Medicine doctors in Nevada →

Other internal medicine doctors in Las Vegas

Clinicians with the same Medicare primary specialty in Las Vegas, NV — not a recommendation.

All internal medicine doctors in Las Vegas →

Other clinicians in University Medical Center of Southern Nevada

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

Clinician information

CredentialDO
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1750328084
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