Quick answers
- Which hospitals does Gerald Q. Greenfield work at?
- Medicare's official clinician data lists Gerald Q. Greenfield at 2 hospitals: Baptist Medical Center and Methodist Hospital Stone Oak. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gerald Q. Greenfield see patients?
- Medicare's clinician data lists 2 practice locations, including Boerne, TX and San Antonio, TX. Call before your visit to confirm the address.
- What is Gerald Q. Greenfield's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Gerald Q. Greenfield accept Medicare assignment?
- Yes. Medicare's clinician data says Gerald Q. Greenfield 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 Gerald Q. Greenfield?
- (210) 614-6432, as listed in official Medicare / NPI Registry data.
- What is Gerald Q. Greenfield's NPI number?
- 1457393316. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gerald Q. Greenfield works
Medicare's Facility Affiliation Data lists Gerald Q. Greenfield at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baptist Medical CenterSan Antonio, TX · Acute Care Hospital · CCN 450058
- Methodist Hospital Stone OakSan Antonio, TX · Acute Care Hospital · CCN 670055
Practice locations
Addresses where Gerald Q. Greenfield is enrolled with Medicare (CMS data updated 2026-10-02).
- 134 Menger Spgs, Suite 1210Boerne, TX 78006 (210) 614‑6432
- 9150 Huebner Rd, Suite 290San Antonio, TX 78240 (210) 614‑6432
Group practices
Medicare enrollment lists Gerald Q. Greenfield as a member of this group (CMS data updated 2026-10-02).
- South Texas Spinal Clinic, P.A.19 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Boerne
Clinicians with the same Medicare primary specialty in Boerne, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457393316 |
| 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