Gerald Greenfield, M.D.
NPI 1457393316 · Orthopaedic Surgery Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Greenfield, M.D. is a Orthopaedic Surgery Physician provider in San Antonio, TX (NPI 1457393316).
Provider details
- NPI number
- 1457393316
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- H7154 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
778 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 187 | $122 |
| X-Ray of Hip, 2-3 Views73502 | 99 | $41 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 70 | $31 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 59 | $164 |
| X-Ray of Knee, 1-2 Views73560 | 58 | $30 |
| X-Ray of Knee, 3 Views73562 | 50 | $37 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 73 | 45 |
| Gabapentin | 65 | 31 |
| Meloxicam | 55 | 21 |
| Ibuprofen | 39 | 17 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 25 | 22 |
| Tramadol Hcl | 23 | 17 |
| Celecoxib | 22 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$728 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2025-11-05
- Certified
- 2025-11-05
Frequently asked questions
- What is Gerald Greenfield's NPI number?
- Gerald Greenfield's National Provider Identifier (NPI) is 1457393316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Greenfield's specialty?
- Gerald Greenfield is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Greenfield located?
- Gerald Greenfield's practice location on file with NPPES is 9150 Huebner Rd Ste 290, San Antonio, TX 78240-1598.
- What is Gerald Greenfield's phone number?
- The practice phone number listed in the NPPES registry for Gerald Greenfield is (210) 614-6432.
- Does Gerald Greenfield accept Medicare?
- Gerald Greenfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Greenfield's NPI active?
- Yes — Gerald Greenfield's NPI (1457393316) is active in the NPPES registry as of the last update on 2025-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.