Doctor profile · Federal record

Dr. Ricardo Diaz, DDS, MS

Periodontist · San Antonio, TX

  • NPI 1538259254
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4871 Fredericksburg RD
San Antonio, TX 78229
(210) 349-5553
fax (210) 349-5844

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
February 23, 2009
Specialty taxonomy
1223P0300X — NUCC code
State license (1)
Texas #14488

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538259254. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$95
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
BioHorizons Implant Systems INC. 3 $95.16

By nature of payment

Food and Beverage
$95

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,063
Patients
911
Total drug cost
$5,368
Drug Type Claims Patients Total cost
Amoxicillin Generic 286 233 $1,019
Chlorhexidine Gluconate Generic 254 223 $1,041
Methylprednisolone Generic 224 203 $1,854
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 147 134 $547
Tramadol Hcl Generic 85 75 $150
Clindamycin Hcl Generic 37 26 $382
Ibuprofen Generic 18 17 $53
Fluocinonide Generic 12 0 $321

Frequently asked questions

Auto-generated from federal data
What is Dr. Ricardo Diaz's medical specialty?
Dr. Ricardo Diaz practices Periodontist in San Antonio, TX.
Where does Dr. Ricardo Diaz practice?
Dr. Ricardo Diaz practices at 4871 Fredericksburg RD, San Antonio, TX 78229. Office phone: 2103495553.
What is Dr. Ricardo Diaz's NPI?
Dr. Ricardo Diaz's National Provider Identifier (NPI) is 1538259254, issued by NPPES.