Angela Diaz, DNP, FNP
NPI 1225345754 · Family Nurse Practitioner · Fort Sam Houston, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Angela Diaz, DNP, FNP is a Family Nurse Practitioner provider in Fort Sam Houston, TX (NPI 1225345754).
Provider details
- NPI number
- 1225345754
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 664616 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 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
261 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 55 | $104 |
| Detection Test By Immunoassay Technique for Influenza Virus87400 | 48 | $14 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 48 | $136 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 28 | $35 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 27 | $11 |
| Urinalysis, Manual Test81002 | 22 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 29 | 29 |
| Azithromycin | 23 | 23 |
| Prednisone | 22 | 22 |
| Mupirocin | 18 | 18 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 16 | 16 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 15 | 15 |
| Molnupiravirbrand: Lagevrio (eua) | 13 | 13 |
Practice location
Mailing address
Additional practice locations (1)
- 4502 Medical DrSan Antonio, TX 78229-4402Phone: (210) 358-2078Fax: (210) 358-1972
Registry dates
- Enumerated
- 2010-09-03
- Last updated
- 2019-10-07
Frequently asked questions
- What is Angela Diaz's NPI number?
- Angela Diaz's National Provider Identifier (NPI) is 1225345754, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Angela Diaz's specialty?
- Angela Diaz is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Angela Diaz located?
- Angela Diaz's practice location on file with NPPES is 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234-4504.
- What is Angela Diaz's phone number?
- The practice phone number listed in the NPPES registry for Angela Diaz is (210) 536-6339.
- Does Angela Diaz accept Medicare?
- Angela Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Angela Diaz's NPI active?
- Yes — Angela Diaz's NPI (1225345754) is active in the NPPES registry as of the last update on 2019-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.