Derek Mathis, M.D.
NPI 1679796544 · Neuropathology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Mathis, M.D. is a Neuropathology Physician provider in San Antonio, TX (NPI 1679796544).
Provider details
- NPI number
- 1679796544
- Entity type
- Individual
- Primary specialty
- Neuropathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD 025469 (LA)
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,667 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) |
|---|---|---|
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 309 | $26 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 266 | $35 |
| Pathology Clinical Consultation for Clinical Problem, 5-20 Minutes80503 | 211 | $21 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 144 | $76 |
| Cell Examination of Specimen, Concentration Technique88108 | 131 | $21 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 104 | $32 |
Practice location
Mailing address
Additional practice locations (1)
- 3551 Roger Brooke DrJbsa Ft Sam Houston, TX 78234-4504Phone: (210) 916-4029Fax: (210) 916-3235
Registry dates
- Enumerated
- 2007-04-10
- Last updated
- 2024-11-17
- Certified
- 2024-11-17
Frequently asked questions
- What is Derek Mathis's NPI number?
- Derek Mathis's National Provider Identifier (NPI) is 1679796544, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Mathis's specialty?
- Derek Mathis is listed in the NPPES registry with a primary specialty of Neuropathology Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Mathis located?
- Derek Mathis's practice location on file with NPPES is 7700 Floyd Curl Dr, San Antonio, TX 78229-3902.
- What is Derek Mathis's phone number?
- The practice phone number listed in the NPPES registry for Derek Mathis is (210) 575-4000.
- Does Derek Mathis accept Medicare?
- Derek Mathis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Mathis's NPI active?
- Yes — Derek Mathis's NPI (1679796544) is active in the NPPES registry as of the last update on 2024-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.