Quick answers
- Which hospitals does Ernest Proo work at?
- Medicare's official clinician data lists Ernest Proo at 2 hospitals: Ascension St John Broken Arrow and Ascension St John Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ernest Proo see patients?
- Medicare's clinician data lists 3 practice locations, including Jenks, OK, Muskogee, OK and Bristow, OK. Call before your visit to confirm the address.
- What is Ernest Proo's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Ernest Proo accept Medicare assignment?
- Yes. Medicare's clinician data says Ernest Proo 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.
- Does Ernest Proo offer telehealth?
- Medicare's clinician data says Ernest Proo offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ernest Proo?
- (918) 403-7060, as listed in official Medicare / NPI Registry data.
- What is Ernest Proo's NPI number?
- 1275079899. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ernest Proo works
Medicare's Facility Affiliation Data lists Ernest Proo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension St John Broken ArrowBroken Arrow, OK · Acute Care Hospital · CCN 370235
- Ascension St John Medical CenterTulsa, OK · Acute Care Hospital · CCN 370114
Practice locations
Addresses where Ernest Proo is enrolled with Medicare (CMS data updated 2026-10-02).
- 220 S Elm St, Suite 200Jenks, OK 74037 (918) 403‑7060
- 300 Rockefeller DrMuskogee, OK 74401 (918) 684‑2101
- 700 W 7th AveBristow, OK 74010 (539) 204‑6700
Group practices
Medicare enrollment lists Ernest Proo as a member of these groups (CMS data updated 2026-10-02).
- Usacs Observation Medicine Services of Oklahoma, LLC210 clinicians in the group
- Ies ER Oklahoma LLC143 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Jenks
Clinicians with the same Medicare primary specialty in Jenks, OK — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1275079899 |
| 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