Doctor profile · Federal record

Dr. John Ayala, M.D.

Specialist · San Antonio, TX

  • NPI 1346329455
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4499 Medical Dr, Suite 301
San Antonio, TX 782293735
(210) 692-3223
fax (210) 692-3224

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
January 7, 2010
Specialty taxonomy
174400000X — NUCC code
State license (1)
Texas #J1851

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346329455. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,545
Transactions
13
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Lumenis Be INC 1 $880.64
Abbvie INC. 4 $323.76
Mentor Worldwide LLC 5 $190.82
Galderma Laboratories, L.P. 2 $132.50
Revance Therapeutics, INC. 1 $17.05

By nature of payment

Food and Beverage
$1,545

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
18
Patients
11
Total drug cost
$120
Drug Type Claims Patients Total cost
Cephalexin Generic 18 11 $120

Frequently asked questions

Auto-generated from federal data
What is Dr. John Ayala's medical specialty?
Dr. John Ayala practices Specialist in San Antonio, TX.
Where does Dr. John Ayala practice?
Dr. John Ayala practices at 4499 Medical Dr, San Antonio, TX 782293735. Office phone: 2106923223.
What is Dr. John Ayala's NPI?
Dr. John Ayala's National Provider Identifier (NPI) is 1346329455, issued by NPPES.