Quick answers
- Which hospitals does Walid J. Haddad work at?
- Medicare's official clinician data lists Walid J. Haddad at 5 hospitals: Holdenville General Hospital, Mercy Hospital Ada, Oklahoma Heart Hospital South, LLC, Oklahoma Heart Hospital, LLC and SSM Health St Anthony Hospital - Shawnee. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Walid J. Haddad see patients?
- Medicare's clinician data lists 2 practice locations, including Oklahoma City, OK and Shawnee, OK. Call before your visit to confirm the address.
- What is Walid J. Haddad's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Walid J. Haddad accept Medicare assignment?
- Yes. Medicare's clinician data says Walid J. Haddad 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 Walid J. Haddad?
- (405) 628-6800, as listed in official Medicare / NPI Registry data.
- What is Walid J. Haddad's NPI number?
- 1487600060. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Walid J. Haddad works
Medicare's Facility Affiliation Data lists Walid J. Haddad at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Holdenville General HospitalHoldenville, OK · Critical Access Hospital · CCN 371321
- Mercy Hospital AdaAda, OK · Acute Care Hospital · CCN 370020
- Oklahoma Heart Hospital South, LLCOklahoma City, OK · Acute Care Hospital · CCN 370234
- Oklahoma Heart Hospital, LLCOklahoma City, OK · Acute Care Hospital · CCN 370215
- SSM Health St Anthony Hospital - ShawneeShawnee, OK · Acute Care Hospital · CCN 370149
Practice locations
Addresses where Walid J. Haddad is enrolled with Medicare (CMS data updated 2026-10-02).
- 5224 E I-240 Service Rd, 2nd Floor SmobOklahoma City, OK 73135 (405) 628‑6800
- 781 Grand Casino BlvdShawnee, OK 74804 (405) 964‑4025
Group practices
Medicare enrollment lists Walid J. Haddad as a member of these groups (CMS data updated 2026-10-02).
- Ohh Physicians LLC133 clinicians in the group
- Citizen Potawatomi Nation34 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Oklahoma →
Other cardiologists in Oklahoma City
Clinicians with the same Medicare primary specialty in Oklahoma City, OK — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | West Virginia University School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487600060 |
| 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