Doctor profile · Federal record

Dr. Blaine Calahan, DDS

Periodontist · San Antonio, TX

  • NPI 1376951376
  • 12 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7703 Floyd Curl Dr, Department of Periodontics MSC 7894
San Antonio, TX 782293901
(210) 567-3318
fax (210) 567-3393

Credentials & registration

NPPES · NUCC
NPI registered
July 2014 — 12 yrs on file
Specialty taxonomy
1223P0300X — NUCC code
State license (1)
Texas #ETN284

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376951376. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$846
Transactions
15
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
ZIMVIE INC. 10 $693.53
Straumann USA LLC 3 $119.66
PATTERSON COMPANIES, INC. 1 $17.40
BioHorizons Implant Systems Inc. 1 $15.44

By nature of payment

Food and Beverage
$846

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
345
Patients
236
Total drug cost
$2,442
Drug Type Claims Patients Total cost
Chlorhexidine Gluconate Generic 114 86 $450
Amoxicillin Generic 100 73 $305
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 45 44 $133
Lorazepam Generic 21 20 $18
Sodium Fluoride (Fluoride (Sodium)) Brand 16 0 $198
Cefdinir Generic 13 13 $221
Prevident (Fluoride (Sodium)) Brand 13 0 $259
Prevident 5000 Plus (Fluoride (Sodium)) Brand 12 0 $244
Prednisolone Sodium Phosphate Generic 11 0 $613

Frequently asked questions

Auto-generated from federal data
What is Dr. Blaine Calahan's medical specialty?
Dr. Blaine Calahan practices Periodontist in San Antonio, TX.
Where does Dr. Blaine Calahan practice?
Dr. Blaine Calahan practices at 7703 Floyd Curl Dr, San Antonio, TX 782293901. Office phone: 2105673318.
What is Dr. Blaine Calahan's NPI?
Dr. Blaine Calahan's National Provider Identifier (NPI) is 1376951376, issued by NPPES.