Quick answers
- Which hospitals does Hayden A. Harness work at?
- Medicare's official clinician data lists Hayden A. Harness at 2 hospitals: Cherokee Nation W W Hastings Indian Hospital and Northeastern Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Hayden A. Harness see patients?
- Medicare's clinician data lists 1 practice location in Stilwell, OK. Call before your visit to confirm the address.
- What is Hayden A. Harness's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Hayden A. Harness accept Medicare assignment?
- Yes. Medicare's clinician data says Hayden A. Harness accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Hayden A. Harness?
- (918) 696-8800, as listed in official Medicare / NPI Registry data.
- What is Hayden A. Harness's NPI number?
- 1891585501. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Hayden A. Harness works
Medicare's Facility Affiliation Data lists Hayden A. Harness at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK · Acute Care Hospital · CCN 370171
- Northeastern Health SystemTahlequah, OK · Acute Care Hospital · CCN 370089
Practice locations
Addresses where Hayden A. Harness is enrolled with Medicare (CMS data updated 2026-10-02).
- RR 5 Box, Suite 840Stilwell, OK 74960 (918) 696‑8800
Group practices
Medicare enrollment lists Hayden A. Harness as a member of this group (CMS data updated 2026-10-02).
- Cherokee Nation449 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Oklahoma
Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891585501 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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