Quick answers
- Does Omar S. Ahmed accept Medicare assignment?
- Yes. Medicare's clinician data says Omar S. Ahmed 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 Omar S. Ahmed's NPI number?
- 1811263411. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Omar S. Ahmed works
Medicare's Facility Affiliation Data lists Omar S. Ahmed 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.
- Mary Immaculate HospitalNewport News, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490041
- Riverside Regional Medical CenterNewport News, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490052
- Riverside Walter Reed HospitalGloucester, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490130
- Sentara Careplex HospitalHampton, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490093
- Sentara Williamsburg Regional Medical CenterWilliamsburg, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490066
Practice locations
Addresses where Omar S. Ahmed is enrolled with Medicare (CMS data updated October 2, 2026).
- 860 Omni Blvd, Suite 111Newport News, VA 23606 (757) 223‑5321
Group practices
Medicare enrollment lists Omar S. Ahmed as a member of this group (CMS data updated October 2, 2026).
- Tidewater Physicians Multispecialty Group, PC261 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
- Rheumatologyalso
Other internal medicine doctors in Newport News
Clinicians with the same Medicare primary specialty in Newport News, VA — not a recommendation.
Other clinicians in Tidewater Physicians Multispecialty Group, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811263411 |
| 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