Quick answers
- Which hospitals does John G. Ivanoff work at?
- Medicare's official clinician data lists John G. Ivanoff at 5 hospitals: Cherokee Nation W W Hastings Indian Hospital, Saint Francis Hospital Muskogee, Saint Francis Hospital South, LLC, Saint Francis Hospital Vinita, Inc and Saint Francis Hospital, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John G. Ivanoff see patients?
- Medicare's clinician data lists 3 practice locations, including Tulsa, OK and Vinita, OK. Call before your visit to confirm the address.
- What is John G. Ivanoff's specialty?
- Medicare lists Interventional Cardiology as the primary specialty.
- Does John G. Ivanoff accept Medicare assignment?
- Yes. Medicare's clinician data says John G. Ivanoff 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 John G. Ivanoff offer telehealth?
- Medicare's clinician data says John G. Ivanoff offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John G. Ivanoff?
- (918) 502-4720, as listed in official Medicare / NPI Registry data.
- What is John G. Ivanoff's NPI number?
- 1497725857. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John G. Ivanoff works
Medicare's Facility Affiliation Data lists John G. Ivanoff 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
- Saint Francis Hospital MuskogeeMuskogee, OK · Acute Care Hospital · CCN 370025
- Saint Francis Hospital South, LLCTulsa, OK · Acute Care Hospital · CCN 370218
- Saint Francis Hospital Vinita, IncVinita, OK · Acute Care Hospital · CCN 370237
- Saint Francis Hospital, IncTulsa, OK · Acute Care Hospital · CCN 370091
Practice locations
Addresses where John G. Ivanoff is enrolled with Medicare (CMS data updated 2026-10-02).
- 6161 S Yale AveTulsa, OK 74136 (918) 502‑4720
- 6600 S Yale Ave, Suite 1400Tulsa, OK 74136 (918) 488‑6000
- 715 N Foreman StVinita, OK 74301 (918) 256‑8731
Group practices
Medicare enrollment lists John G. Ivanoff as a member of these groups (CMS data updated 2026-10-02).
- Warren Clinic Inc883 clinicians in the group
- Saint Francis Hospital, Inc.61 clinicians in the group
Specialties
- Interventional Cardiologyprimary
Other interventional cardiologists in Tulsa
Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Pennsylvania |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1497725857 |
| 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