Gregory Ramsey, MD
NPI 1548553100 · Diagnostic Radiology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Ramsey, MD is a Diagnostic Radiology Physician provider in San Antonio, TX (NPI 1548553100).
Provider details
- NPI number
- 1548553100
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,302 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 955 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 121 | $82 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 119 | $79 |
| X-Ray of Chest, 2 Views71046 | 106 | $10 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 98 | $81 |
| X-Ray of Abdomen, 1 View74018 | 97 | $8 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$305 across 3 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
- 2011-05-16
- Last updated
- 2017-02-20
Frequently asked questions
- What is Gregory Ramsey's NPI number?
- Gregory Ramsey's National Provider Identifier (NPI) is 1548553100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Ramsey's specialty?
- Gregory Ramsey is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Ramsey located?
- Gregory Ramsey's practice location on file with NPPES is 4502 Medical Dr, San Antonio, TX 78229-4402.
- What is Gregory Ramsey's phone number?
- The practice phone number listed in the NPPES registry for Gregory Ramsey is (210) 358-4000.
- Does Gregory Ramsey accept Medicare?
- Gregory Ramsey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Ramsey's NPI active?
- Yes — Gregory Ramsey's NPI (1548553100) is active in the NPPES registry as of the last update on 2017-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.