Quick answers
- Does Nina A. Estes accept Medicare assignment?
- Yes. Medicare's clinician data says Nina A. Estes 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.
- What is Nina A. Estes's NPI number?
- 1578382982. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nina A. Estes works
Medicare's Facility Affiliation Data lists Nina A. Estes 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.
- Methodist Medical Center of Oak RidgeOak Ridge, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440034
Practice locations
Addresses where Nina A. Estes is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 S Duncan StJamestown, TN 38556 (931) 879‑5864
- 136 Fairbanks RdOak Ridge, TN 37830 (931) 879‑5864
- 160 A W Tennessee AveOak Ridge, TN 37830 (865) 835‑3740
- 8635 Middlebrook PikeKnoxville, TN 37923 (865) 824‑0033
Group practices
Medicare enrollment lists Nina A. Estes as a member of these groups (CMS data updated October 2, 2026).
- Summit Medical Group, PLLC652 clinicians in the group
- Acute Care Clinics of America, LLC9 clinicians in the group
- Hyperbaric Wound Specialists, PLLC6 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Tennessee
Clinicians with the same Medicare primary specialty in Tennessee — not a recommendation.
Other clinicians in Summit Medical Group, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578382982 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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