Doctor profile · Federal record

Dr. Richard Sun, DDS

General Practice Dentistry · General Practice Dentistry · Gaithersburg, MD

  • NPI 1861525958
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9087 Shady Grove CT
Gaithersburg, MD 208771301
(301) 921-6338
fax (301) 208-8219

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
1223G0001X — NUCC code
State licenses (2)
Maryland #12639 · Maryland #8586

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861525958. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$115
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
American Medical & Dental Supplies,Inc. 1 $85.00
Envista Holdings Corporation 1 $16.83
Philips North America LLC 1 $13.15

By nature of payment

Gift
$85
Food and Beverage
$30

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
206
Patients
153
Total drug cost
$974
Drug Type Claims Patients Total cost
Amoxicillin Generic 86 60 $346
Chlorhexidine Gluconate Generic 57 44 $291
Cephalexin Generic 33 25 $256
Naproxen Generic 30 24 $81

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Sun's medical specialty?
Dr. Richard Sun practices General Practice Dentistry in Gaithersburg, MD.
Where does Dr. Richard Sun practice?
Dr. Richard Sun practices at 9087 Shady Grove CT, Gaithersburg, MD 208771301. Office phone: 3019216338.
What is Dr. Richard Sun's NPI?
Dr. Richard Sun's National Provider Identifier (NPI) is 1861525958, issued by NPPES.