NPPES file of Aug 9, 2026

Marissa Casas

Physician Assistant · McAllen, TX

Marissa Casas is a physician assistant with a practice address in McAllen, Texas, and NPI 1558736280, issued on Dec 7, 2015. Check the license (Texas PA13525, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558736280
Name
Marissa Casas
Primary taxonomy
Physician Assistant 363A00000X
License numbers
PA13525 TX
12876 TX
Self-reported in NPPES; status is on the state search
Practice location
6900 N 10TH St Ste NO4, McAllen, TX 78504
Phone
(956) 627-5137
Enumerated
Dec 7, 2015
Record last updated
May 4, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(956) 720-0966
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Marissa Casas 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 PA13525
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Industry payments in 2024: $449.96

14 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marissa Casas$449.96
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Marissa Casas among 10,999 physician assistant records in Texas

Marissa Casas is one of 10,999 physician assistant records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 45% of them.

  • NPI issued2015 · 45% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2020 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

144 physician assistant records list a practice address in McAllen

They are 144 of the 3,518 NPPES records with a practice address in McAllen, and 10,999 physician assistant records in Texas.

The 8 physician assistant records with the nearest ZIP codes

  1. Sardar Ali, PHYSICIAN ASSISTANTMcAllen, TX 785041619163425
  2. Ricardo Cano, PA-CMcAllen, TX 785041265676811
  3. Magdalena Caudillo, P.A.McAllen, TX 785041659345577
  4. Roel ContrerasMcAllen, TX 785041336353390
  5. Lisa Longoria, PA-CMcAllen, TX 785041487876496
  6. Sahar McAllen, PAMcAllen, TX 785041972621555
  7. Martha Medina, PA - CMcAllen, TX 785041477791192
  8. Myrna Morales, PA-CMcAllen, TX 785041649454919

Common questions

What is Marissa Casas's NPI number?

Marissa Casas's National Provider Identifier (NPI) is 1558736280, issued on Dec 7, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Casas located?

The NPPES record lists a practice address at 6900 N 10TH St Ste NO4, McAllen, TX, 78504. Phone: (956) 627-5137. Providers update this record themselves, so call before visiting.

How can I verify Marissa Casas's license?

NPPES lists Texas license number PA13525, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity 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.