Jose Diaz, MD
NPI 1578553764 · Cardiovascular Disease Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jose Diaz, MD is a Cardiovascular Disease Physician provider in San Antonio, TX (NPI 1578553764).
Provider details
- NPI number
- 1578553764
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- K9050 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,716 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 | 827 | $121 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 187 | $175 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 177 | $13 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 79 | $160 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision and Review By Physician93015 | 68 | $59 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 381 | 110 |
| Atorvastatin Calcium | 326 | 120 |
| Metoprolol Tartrate | 293 | 98 |
| Carvedilol | 291 | 98 |
| Losartan Potassium | 285 | 110 |
| Amlodipine Besylate | 257 | 97 |
| Sacubitril/Valsartanbrand: Entresto |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$373 across 14 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 (1)
- 215 N San Saba Ste 201San Antonio, TX 78207-3120Phone: (210) 477-3271Fax: (210) 477-3274
Registry dates
- Enumerated
- 2005-10-27
- Last updated
- 2019-07-30
Frequently asked questions
- What is Jose Diaz's NPI number?
- Jose Diaz's National Provider Identifier (NPI) is 1578553764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jose Diaz's specialty?
- Jose Diaz is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Jose Diaz located?
- Jose Diaz's practice location on file with NPPES is 215 N San Saba Ste 206, San Antonio, TX 78207-3120.
- What is Jose Diaz's phone number?
- The practice phone number listed in the NPPES registry for Jose Diaz is (210) 477-3271.
- Does Jose Diaz accept Medicare?
- Jose Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jose Diaz's NPI active?
- Yes — Jose Diaz's NPI (1578553764) is active in the NPPES registry as of the last update on 2019-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.