Quick answers
- Which hospitals does Curtis E. Harris work at?
- Medicare's official clinician data lists Curtis E. Harris at 1 hospital: Mercy Hospital Ada. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Curtis E. Harris see patients?
- Medicare's clinician data lists 9 practice locations, including Ada, OK, Seminole, OK and Konawa, OK. Call before your visit to confirm the address.
- What is Curtis E. Harris's specialty?
- Medicare lists Endocrinology as the primary specialty, and also Internal Medicine.
- Does Curtis E. Harris accept Medicare assignment?
- Yes. Medicare's clinician data says Curtis E. Harris 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 Curtis E. Harris?
- (580) 436-5111, as listed in official Medicare / NPI Registry data.
- What is Curtis E. Harris's NPI number?
- 1235116013. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Curtis E. Harris works
Medicare's Facility Affiliation Data lists Curtis E. Harris at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital AdaAda, OK · Acute Care Hospital · CCN 370020
Practice locations
Addresses where Curtis E. Harris is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1121 Colony DrAda, OK 74820 (580) 436‑5111
- 1221 Arlington StAda, OK 74820
- 1221 Arlington St, Suite BAda, OK 74820
- 2403 W Wrangler Blvd, Suite ASeminole, OK 74868 (580) 436‑5111
- 301 N Monte Vista StAda, OK 74820 (580) 436‑5111
Group practices
Medicare enrollment lists Curtis E. Harris as a member of this group (CMS data updated 2026-10-02).
- Central Oklahoma Family Medical Center Inc58 clinicians in the group
Specialties
- Endocrinologyprimary
- Internal Medicinealso
Other endocrinologists in Ada
Clinicians with the same Medicare primary specialty in Ada, OK — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235116013 |
| 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