Quick answers
- Does Ahmad Y. Mismar accept Medicare assignment?
- Yes. Medicare's clinician data says Ahmad Y. Mismar 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 Ahmad Y. Mismar's NPI number?
- 1780206730. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ahmad Y. Mismar works
Medicare's Facility Affiliation Data lists Ahmad Y. Mismar 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.
- Ascension St John Broken ArrowBroken Arrow, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370235
- Ascension St John Jane PhillipsBartlesville, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370018
- Ascension St John Medical CenterTulsa, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370114
- St John OwassoOwasso, OK · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 370227
Practice locations
Addresses where Ahmad Y. Mismar is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 W Boise Circle, Emergency RoomBroken Arrow, OK 74012 (918) 994‑8000
- 1705 E 19th StTulsa, OK 74104
- 1923 S Utica AveTulsa, OK 74104 (918) 744‑2071
- 1923 S Utica Ave, Medical Staff OfficeTulsa, OK 74104
- 3550 E Frank Phillips BlvdBartlesville, OK 74006 (918) 331‑2294
Group practices
Medicare enrollment lists Ahmad Y. Mismar as a member of this group (CMS data updated October 2, 2026).
- St. John Physicians, Inc.259 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Broken Arrow
Clinicians with the same Medicare primary specialty in Broken Arrow, OK — not a recommendation.
Other clinicians in St. John Physicians, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1780206730 |
| 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