Quick answers
- Which hospitals does John C. Nwankwo work at?
- Medicare's official clinician data lists John C. Nwankwo at 3 hospitals: Flowers Hospital, Methodist Hospital and Westover Hills Baptist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John C. Nwankwo see patients?
- Medicare's clinician data lists 4 practice locations, including San Antonio, TX, San Antionio, TX and Dothan, AL. Call before your visit to confirm the address.
- What is John C. Nwankwo's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does John C. Nwankwo accept Medicare assignment?
- Yes. Medicare's clinician data says John C. Nwankwo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for John C. Nwankwo?
- (210) 757-2200, as listed in official Medicare / NPI Registry data.
- What is John C. Nwankwo's NPI number?
- 1104116169. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John C. Nwankwo works
Medicare's Facility Affiliation Data lists John C. Nwankwo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Flowers HospitalDothan, AL · Acute Care Hospital · CCN 010055
- Methodist HospitalSan Antonio, TX · Acute Care Hospital · CCN 450388
- Westover Hills Baptist HospitalSan Antonio, TX · Acute Care Hospital · CCN 670333
Practice locations
Addresses where John C. Nwankwo is enrolled with Medicare (CMS data updated 2026-10-02).
- 1310 McCullough AveSan Antonio, TX 78212 (210) 757‑2200
- 3011 W Loop 1604San Antionio, TX 78251 (726) 266‑8100
- 4370 W Main StDothan, AL 36305 (334) 793‑5000
- 919 E 32nd StAustin, TX 78705 (512) 343‑2466
Group practices
Medicare enrollment lists John C. Nwankwo as a member of these groups (CMS data updated 2026-10-02).
- Austin Anesthesiology Group PLLC428 clinicians in the group
- Texas Ams PLLC150 clinicians in the group
- Flowers HB Medical Services LLC145 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104116169 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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