Quick answers
- Does Sima A. Nekoui accept Medicare assignment?
- Yes. Medicare's clinician data says Sima A. Nekoui 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 Sima A. Nekoui's NPI number?
- 1619044567. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sima A. Nekoui works
Medicare's Facility Affiliation Data lists Sima A. Nekoui 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.
- Shannon Medical CenterSan Angelo, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450571
Practice locations
Addresses where Sima A. Nekoui is enrolled with Medicare (CMS data updated October 2, 2026).
- 120 E Beauregard AveSan Angelo, TX 76903 (325) 747‑1511
- 9333 Rosecrans AveBellflower, CA 90706 (562) 461‑3000
- 9449 Imperial HwyDowney, CA 90242 (562) 461‑3000
Group practices
Medicare enrollment lists Sima A. Nekoui as a member of these groups (CMS data updated October 2, 2026).
- Southern California Permanente Medical Group11,293 clinicians in the group
- Shannon Clinic559 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in San Angelo
Clinicians with the same Medicare primary specialty in San Angelo, TX — not a recommendation.
Other clinicians in Southern California Permanente Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619044567 |
| 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