Thelma E. Diaz, NP
Adult Health Nurse Practitioner · El Paso, TX
Thelma E. Diaz, NP is an adult health nurse practitioner with a practice address in El Paso, Texas, and NPI 1740404862, issued on Apr 12, 2007. Check the license (Texas 584935, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thelma E. Diaz
- Credential
- NP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License numbers
- 584935 TX
AP107026 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1626 Medical Center Dr Ste 400, El Paso, TX 79902
- Phone
- (915) 546-9200
- Enumerated
- Apr 12, 2007
- Record last updated
- Apr 22, 2024
- Fax
- (915) 546-9800
- Medicaid IDs
- 189774601 TX
189774603 TX
189774602 TX
189774604 TX - Medicare enrollment
- Enrolled (PECOS I20070522000588); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 1,159 in Texas → Look up another NPI →
Also registered at 1626 Medical Center Dr Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria DiazProfessional Counselor1235083023
- Judy Farness, NPGerontology Nurse Practitioner1255431649
- Nhu Nguyen Nguyen, MDFamily Medicine Physician1821260514
- Lionel Rangel, MDInternal Medicine Physician1053355313
Verify Thelma E. 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 584935Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
141 Medicare Part D claims for 66 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Ssd38 claims
- Santyl15 claims
- Doxycycline Hyclate12 claims
- Fluocinonide12 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.
Industry payments in 2024: $491.64
20 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Thelma E. Diaz among 1,159 adult health nurse practitioner records in Texas
Thelma E. Diaz, NP is one of 1,159 adult health nurse practitioner records with a practice address in Texas. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 76% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1998 · median 2015 among the 566 with a school on file
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Texas
There are 1,159 adult health nurse practitioner records in Texas.
All 1,159 in Texas → Every provider in El Paso → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Jane Poss, ANPEl Paso, TX 799021114118411
- Therese Ramirez, DNPEl Paso, TX 799021871543207
- Rosalinda Heydarian, N.P.El Paso, TX 799051255661237
- Sicily Mutinda, NPEl Paso, TX 799111104461094
- Wendy Sandoval, AGPCNP-BCEl Paso, TX 799121669835666
- Elizabeth Velasquez, MSN, AGPCNPEl Paso, TX 799121225320138
- Doris Clippard, APNEl Paso, TX 799151669428116
- Lily Ramirez, NURSE PRACTITIONEREl Paso, TX 799201518013531
Common questions
What is Thelma E. Diaz, NP's NPI number?
Thelma E. Diaz, NP's National Provider Identifier (NPI) is 1740404862, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Thelma E. Diaz, NP located?
The NPPES record lists a practice address at 1626 Medical Center Dr Ste 400, El Paso, TX, 79902. Phone: (915) 546-9200. Providers update this record themselves, so call before visiting.
How can I verify Thelma E. Diaz, NP's license?
NPPES lists Texas license number 584935, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Thelma E. Diaz, NP prescribe under Medicare Part D?
In 2024, Thelma E. Diaz, NP had 141 Medicare Part D claims for 66 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.