Quick answers
- Does Wassim M. Ballan accept Medicare assignment?
- Yes. Medicare's clinician data says Wassim M. Ballan 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 Wassim M. Ballan's NPI number?
- 1598981698. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Wassim M. Ballan works
Medicare's Facility Affiliation Data lists Wassim M. Ballan 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.
- Phoenix Children's HospitalPhoenix, AZ · Children's Hospital · Emergency services: not listed by Medicare · CCN 033302
Practice locations
Addresses where Wassim M. Ballan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1919 E Thomas RdPhoenix, AZ 85016 (602) 933‑0930
Group practices
Medicare enrollment lists Wassim M. Ballan as a member of this group (CMS data updated October 2, 2026).
- Phoenix Children's Hospital437 clinicians in the group
Specialties
- Infectious Diseaseprimary
- Pediatric Medicinealso
Other infectious disease doctors in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Other clinicians in Phoenix Children's Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598981698 |
| 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