NPPES file of Aug 9, 2026

Ruben Arnulfo Armendariz, APRN-CNP

Family Nurse Practitioner · McAllen, TX

Ruben Arnulfo Armendariz, APRN-CNP is a family nurse practitioner with a practice address in McAllen, Texas, and NPI 1003448416, issued on Feb 4, 2020. Check the license (Texas AP144057, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003448416
Name
Ruben Arnulfo Armendariz
Credential
APRN-CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP144057 TX
Self-reported in NPPES; status is on the state search
Practice location
5521 N Mccoll RD, McAllen, TX 78504
Phone
(956) 362-8420
Enumerated
Feb 4, 2020
Record last updated
Mar 28, 2023
Fax
(956) 362-8448
Medicare enrollment
Enrolled (PECOS I20220328002214); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5521 N Mccoll RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Becerra, APRN-CNPAcute Care Nurse Practitioner1548998263
  2. Mahesh Changlani, MDCardiovascular Disease Physician1861499808
  3. Cynthia Garcia, ASSISTAND SLPSpeech-Language Assistant1164693032
  4. Filiberto Gutierrez, NPFamily Nurse Practitioner1225585151
  5. Joel Perez, PAPhysician Assistant1346978012
  6. Melissa SerranoOccupational Therapist1922135722

Verify Ruben Arnulfo Armendariz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license AP144057
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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64% more Medicare Part D claims than the average family nurse practitioner in 2024

2,139 Medicare Part D claims for 540 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Ruben Armendariz2,139
  2. Specialty average1,305

Most prescribed

  1. Rosuvastatin Calcium400 claims
  2. Metoprolol Succinate251 claims
  3. Olmesartan Medoxomil143 claims
  4. Olmesartan-Hydrochlorothiazide136 claims
  5. Carvedilol115 claims
  6. Amlodipine Besylate108 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 87.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Renaissance Cardiology GroupMcAllen, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

219 family nurse practitioner records list a practice address in McAllen

They are 219 of the 3,518 NPPES records with a practice address in McAllen, and 21,242 family nurse practitioner records in Texas.

Other family nurse practitioner records in Texas

  1. Ashley Aaron, FNPWaco, TX1053821504
  2. Christina Aaron, FNPTexarkana, TX1457787426
  3. Lori Aaron, FNP-CFrisco, TX1619387974
  4. Lauren Aase, FNPSheppard Afb, TX1578550299
  5. Olivia AbabioCypress, TX1588171995
  6. Lilian Abagwe, NPWylie, TX1396215620
  7. Vivian Abaidoo, NP-CHouston, TX1760071971
  8. Zuniley Aballe-Hernandez, FNP-CHouston, TX1952054066
  9. Jorge Abalo Redden, FNPKaty, TX1932991122
  10. Jennifer Abalos, FNPPlano, TX1841452984

Common questions

What is Ruben Arnulfo Armendariz, APRN-CNP's NPI number?

Ruben Arnulfo Armendariz, APRN-CNP's National Provider Identifier (NPI) is 1003448416, issued on Feb 4, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Ruben Arnulfo Armendariz, APRN-CNP located?

The NPPES record lists a practice address at 5521 N Mccoll RD, McAllen, TX, 78504. Phone: (956) 362-8420. Providers update this record themselves, so call before visiting.

How can I verify Ruben Arnulfo Armendariz, APRN-CNP's license?

NPPES lists Texas license number AP144057, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Ruben Arnulfo Armendariz, APRN-CNP prescribe under Medicare Part D?

In 2024, Ruben Arnulfo Armendariz, APRN-CNP had 2,139 Medicare Part D claims for 540 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Ruben Arnulfo Armendariz, APRN-CNP's MIPS final score?

The 2023 MIPS final score is 87.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.