Quick answers
- Does Osama I. Ahmed accept Medicare assignment?
- Yes. Medicare's clinician data says Osama I. 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.
- How many Medicare patients does Osama I. Ahmed see?
- In 2024, CMS data shows 270 Original Medicare patients and 1,427 services for Osama I. Ahmed. This counts Original Medicare only and measures volume, not quality.
- What is Osama I. Ahmed's NPI number?
- 1083857551. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Osama I. Ahmed, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 270 |
|---|---|
| Services billed to Medicare | 1,427 |
| Different services or procedures | 63 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Test or measurement for functional capacity, each 15 minutes (97750)178 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)158 services
- Needle measurement of electrical activity in arm or leg muscles, complete study (95886)104 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)101 services
- Imaging guidance for procedure, 60 minutes or less (76000)89 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis75%
- Diabetes44%
- Ischemic heart disease39%
- Anxiety38%
Hospitals where Osama I. Ahmed works
Medicare's Facility Affiliation Data lists Osama I. 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.
- Baptist Medical CenterSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450058
- CHRISTUS Santa Rosa Hospital-San MarcosSan Marcos, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450272
- Foundation Surgical Hospital of San AntonioSan Antonio, TX · Acute Care Hospital · Emergency services: listed by Medicare · CCN 670054
- Methodist HospitalSan Antonio, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450388
- South Texas Specialty HospitalSan Antonio, TX · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 670112
Practice locations
Addresses where Osama I. Ahmed is enrolled with Medicare (CMS data updated October 2, 2026).
- 12709 Toepperwein Rd, Suite 101Live Oak, TX 78233 (210) 625‑4733
Group practices
Medicare enrollment lists Osama I. Ahmed as a member of this group (CMS data updated October 2, 2026).
- Bsisa PLLC7 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Other clinicians in Bsisa PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Texas Tech University Health Science Center School Of Medicine |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083857551 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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