Angela J. Diaz, DNP, FNP
Family Nurse Practitioner · Fort Sam Houston, TX
Angela J. Diaz, DNP, FNP is a family nurse practitioner with a practice address in Fort Sam Houston, Texas, and NPI 1225345754, issued on Sep 3, 2010. Check the license (Texas 664616, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Angela J. Diaz
- Credential
- DNP, FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 664616 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
- Phone
- (210) 536-6339
- Enumerated
- Sep 3, 2010
- Record last updated
- Oct 7, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 219240301 TX
- Medicare enrollment
- Enrolled (PECOS I20101006000585); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 3551 Roger Brooke Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adrianna Adams, LCSWClinical Social Worker1275265456
- John AdamsGeneral Practice Physician1134754898
- Jordan Adams, PAPhysician Assistant1336876598
- Oluwole Afuape, OTR/LOccupational Therapist1033593561
- Pierre Monverdy Agnant, MD, MPH, MBA, MACCInternal Medicine Physician1669868568
- Della Agquiz, PHARMDOncology Pharmacist1700538741
Verify Angela J. Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 664616Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average family nurse practitioner in 2024
252 Medicare Part D claims for 156 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Doxycycline Hyclate29 claims
- Azithromycin23 claims
- Prednisone22 claims
- Mupirocin18 claims
- Nitrofurantoin Mono-Macro16 claims
- Amoxicillin-Clavulanate Potass15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Tmc Provider Group PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Angela J. Diaz among 21,242 family nurse practitioner records in Texas
Angela J. Diaz, DNP, FNP is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 12% of them.
- NPI issued2010 · 12% of these records are older, 86% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2014 · median 2018 among the 11,286 with a school on file
- Record last updated2019 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 family nurse practitioner records list a practice address in Fort Sam Houston
They are 98 of the 2,124 NPPES records with a practice address in Fort Sam Houston, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in Fort Sam Houston → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Curtis Aberle, APRN, BCFort Sam Houston, TX 782341356331003
- Julia Ceremuga, CRNPFort Sam Houston, TX 782341093796856
- Belinda Ford, FNP-CFort Sam Houston, TX 782341184694358
- Robert Herrold, FNPSan Antonio, TX 782341386634921
- Jenelle HughesFort Sam Houston, TX 782341235100934
- Kathryn Joyce, N.PFort Sam Houston, TX 782341235139494
- Ronda Lantz, RN,FNPFort Sam Houston, TX 782341194715821
- Paul Lewis, NPFort Sam Houston, TX 782341285625962
Common questions
What is Angela J. Diaz, DNP, FNP's NPI number?
Angela J. Diaz, DNP, FNP's National Provider Identifier (NPI) is 1225345754, issued on Sep 3, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Angela J. Diaz, DNP, FNP located?
The NPPES record lists a practice address at 3551 Roger Brooke Dr, Fort Sam Houston, TX, 78234. Phone: (210) 536-6339. Providers update this record themselves, so call before visiting.
How can I verify Angela J. Diaz, DNP, FNP's license?
NPPES lists Texas license number 664616, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Angela J. Diaz, DNP, FNP prescribe under Medicare Part D?
In 2024, Angela J. Diaz, DNP, FNP had 252 Medicare Part D claims for 156 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.