Quick answers
- Does Oscar Aramburo accept Medicare assignment?
- Yes. Medicare's clinician data says Oscar Aramburo 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 Oscar Aramburo see?
- In 2024, CMS data shows 105 Original Medicare patients and 113 services for Oscar Aramburo. This counts Original Medicare only and measures volume, not quality.
- What is Oscar Aramburo's NPI number?
- 1669992673. 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 Oscar Aramburo, 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 patients | 105 |
|---|---|
| Services billed to Medicare | 113 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)65 services
- Emergency department visit with moderate level of medical decision making (99284)37 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%
- Diabetes68%
- Chronic kidney disease60%
- Arthritis58%
- Ischemic heart disease50%
Practice locations
Addresses where Oscar Aramburo is enrolled with Medicare (CMS data updated October 2, 2026).
- 300 Rockefeller DrMuskogee, OK 74401 (918) 682‑5501
- 6161 S Yale AveTulsa, OK 74136 (918) 494‑2200
Group practices
Medicare enrollment lists Oscar Aramburo as a member of this group (CMS data updated October 2, 2026).
- Ies ER Oklahoma LLC143 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Muskogee
Clinicians with the same Medicare primary specialty in Muskogee, OK — not a recommendation.
Other clinicians in Ies ER Oklahoma LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669992673 |
| Corrections | Report 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians