Doctor profile · Federal record

Dr. Robert Chaffin, DDS

General Practice Dentistry · San Antonio, TX

  • NPI 1639332901
  • 18 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2935 Thousand Oaks, #5
San Antonio, TX 78247
(210) 545-6699
fax (210) 545-6719

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
Texas #18656

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639332901. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$294
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Dentsply Sirona INC 4 $233.25
Patterson Companies, INC. 1 $43.72
Colgate Oral Pharmaceuticals, INC. 1 $17.48

By nature of payment

Food and Beverage
$277
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
45
Patients
33
Total drug cost
$131
Drug Type Claims Patients Total cost
Amoxicillin Generic 45 33 $131

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Chaffin's medical specialty?
Dr. Robert Chaffin practices General Practice Dentistry in San Antonio, TX.
Where does Dr. Robert Chaffin practice?
Dr. Robert Chaffin practices at 2935 Thousand Oaks, San Antonio, TX 78247. Office phone: 2105456699.
What is Dr. Robert Chaffin's NPI?
Dr. Robert Chaffin's National Provider Identifier (NPI) is 1639332901, issued by NPPES.