Roberto Diaz, MD
NPI 1649591595 · Pain Medicine (Anesthesiology) Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roberto Diaz, MD is a Pain Medicine (Anesthesiology) Physician provider in San Antonio, TX (NPI 1649591595).
Provider details
- NPI number
- 1649591595
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- M7142 (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
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,958 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 | 892 | $113 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 591 | $80 |
| Testing for Presence of Drug, By Chemistry Analyzers80307 | 451 | $60 |
| Drug Test(s), Definitive, Utilizing (1) Drug Identification Methods Able to Identify Individual Drugs and Distinguish Between Structural Isomers (but Not Necessarily Stereoisomers), Including, But Not Limited to Gc/Ms (any Type, Single Or Tandem) and Lc/MsG0482 | 450 | $194 |
| Electronic Analysis Reprogramming and Refill of Spinal Canal Drug Infusion Pump By Physician62370 | 266 | $80 |
| Ultrasonic Guidance for Needle Placement |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 878 | 264 |
| Gabapentin | 353 | 100 |
| Oxycodone Hcl | 308 | 71 |
| Pregabalin | 218 | 53 |
| Tizanidine Hcl | 190 | 67 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 174 | 58 |
| Tramadol Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,216 across 80 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
Additional practice locations (3)
- 110 E Bandera RdBoerne, TX 78006-2802Phone: (210) 495-7246Fax: (210) 495-7245
- 32685 Highway 281 NSuite 100Bulverde, TX 78163Phone: (210) 495-7245Fax: (210) 495-7246
- 5000 Schertz Pkwy Ste 400Schertz, TX 78154-1457Phone: (210) 495-7246Fax: (210) 495-7245
Registry dates
- Enumerated
- 2010-06-15
- Last updated
- 2022-04-27
- Certified
- 2022-04-27
Frequently asked questions
- What is Roberto Diaz's NPI number?
- Roberto Diaz's National Provider Identifier (NPI) is 1649591595, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roberto Diaz's specialty?
- Roberto Diaz is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Roberto Diaz located?
- Roberto Diaz's practice location on file with NPPES is 5522 Lone Star Pkwy, Bldg 2, San Antonio, TX 78253.
- What is Roberto Diaz's phone number?
- The practice phone number listed in the NPPES registry for Roberto Diaz is (210) 298-4900.
- Does Roberto Diaz accept Medicare?
- Roberto Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roberto Diaz's NPI active?
- Yes — Roberto Diaz's NPI (1649591595) is active in the NPPES registry as of the last update on 2022-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.