Quick answers
- Does Ahmed Elrefai accept Medicare assignment?
- Yes. Medicare's clinician data says Ahmed Elrefai 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 Ahmed Elrefai's NPI number?
- 1598702078. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ahmed Elrefai is enrolled with Medicare (CMS data updated October 2, 2026).
- 123 Summer StWorcester, MA 01608 (508) 363‑5000
- 1550 Midway Pl, Suite 100Menasha, WI 54952 (920) 727‑8200
- 500 S Oakwood RdOshkosh, WI 54904 (920) 223‑2000
- 60 Hospital RdLeominster, MA 01453 (978) 466‑2000
Group practices
Medicare enrollment lists Ahmed Elrefai as a member of these groups (CMS data updated October 2, 2026).
- Lawrence Anesthesia Services LLC125 clinicians in the group
- Racine Anesthesia Services LLC82 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Worcester
Clinicians with the same Medicare primary specialty in Worcester, MA — not a recommendation.
Other clinicians in Lawrence Anesthesia Services LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Howard University College Of Medicine |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598702078 |
| 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
- 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