Gillis Schwartz, MD
NPI 1912438276 · Diagnostic Radiology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gillis Schwartz, MD is a Diagnostic Radiology Physician provider in Houston, TX (NPI 1912438276).
Provider details
- NPI number
- 1912438276
- 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
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,072 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 258 | $85 |
| Ct Scan of Chest With Contrast71260 | 228 | $52 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 79 | $83 |
| Ct Scan of Chest With Contrast71260 | 77 | $50 |
| X-Ray of Abdomen, 1 View74018 | 69 | $9 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 42 | $35 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-03-27
- Last updated
- 2023-07-25
- Certified
- 2023-07-25
Frequently asked questions
- What is Gillis Schwartz's NPI number?
- Gillis Schwartz's National Provider Identifier (NPI) is 1912438276, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gillis Schwartz's specialty?
- Gillis Schwartz is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gillis Schwartz located?
- Gillis Schwartz's practice location on file with NPPES is 1515 Holcombe Blvd, Houston, TX 77030-4000.
- What is Gillis Schwartz's phone number?
- The practice phone number listed in the NPPES registry for Gillis Schwartz is (713) 792-2991.
- Does Gillis Schwartz accept Medicare?
- Gillis Schwartz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gillis Schwartz's NPI active?
- Yes — Gillis Schwartz's NPI (1912438276) is active in the NPPES registry as of the last update on 2023-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.