Quick answers
- Does Sheryl A. O Shea accept Medicare assignment?
- Yes. Medicare's clinician data says Sheryl A. O Shea 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 Sheryl A. O Shea see?
- In 2024, CMS data shows 47 Original Medicare patients and 331 services for Sheryl A. O Shea. This counts Original Medicare only and measures volume, not quality.
- What is Sheryl A. O Shea's NPI number?
- 1295726073. 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 Sheryl A. O Shea, 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 | 47 |
|---|---|
| Services billed to Medicare | 331 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Blood glucose (sugar) test performed by hand-held instrument (82962)47 services
- Blood test, comprehensive group of blood chemicals (80053)42 services
- Blood test, thyroid stimulating hormone (tsh) (84443)36 services
- Insertion of needle into vein for collection of blood sample (36415)30 services
- Hemoglobin a1c level (83036)23 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).
- Diabetes55%
- High blood pressure47%
- High cholesterol38%
- Arthritis30%
Practice locations
Addresses where Sheryl A. O Shea is enrolled with Medicare (CMS data updated October 2, 2026).
- 129 Medicine Horse DrTohajiilee, NM 87026
- PO BoxTohajiilee, NM 87026
- PO Box, Suite 3338Tohajiilee, NM 87026
Group practices
Medicare enrollment lists Sheryl A. O Shea as a member of this group (CMS data updated October 2, 2026).
- Canoncito Band of Navajos Health Center, Inc9 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Tohajiilee
Clinicians with the same Medicare primary specialty in Tohajiilee, NM — not a recommendation.
Other clinicians in Canoncito Band of Navajos Health Center, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295726073 |
| 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