Doctor profile · Federal record

Dr. Marissa Casas

Physician Assistant · Chiropractor · McAllen, TX

  • NPI 1558736280
  • 11 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
6900 N 10Th St Ste No4
McAllen, TX 785043198
(956) 627-5137
fax (956) 720-0966
Additional location
918 S State Highway 336
Edinburg, TX 785394084
(956) 627-2021
fax (956) 435-0022
Mailing address
1620 E 8Th St Ste 4
Weslaco, TX 785965883

Credentials & registration

NPPES · NUCC
NPI registered
December 2015 — 11 yrs on file
Profile last updated
May 4, 2020
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
Texas #PA13525 · Texas #12876

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558736280. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$450
Transactions
14
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 5 $266.54
Amgen Inc. 7 $147.00
ANI Pharmaceuticals, Inc. 1 $19.54
Lilly USA, LLC 1 $16.88

By nature of payment

Food and Beverage
$351
Education
$99

Frequently asked questions

Auto-generated from federal data
What is Dr. Marissa Casas's medical specialty?
Dr. Marissa Casas practices Physician Assistant in McAllen, TX.
Where does Dr. Marissa Casas practice?
Dr. Marissa Casas practices at 6900 N 10Th St Ste No4, McAllen, TX 785043198. Office phone: 9566275137.
What is Dr. Marissa Casas's NPI?
Dr. Marissa Casas's National Provider Identifier (NPI) is 1558736280, issued by NPPES.