Doctor profile · Federal record

Dr. Omar Mahmassani, D.D.S.

Dentist · Frederick, MD

  • NPI 1497781850
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5910 Frederick Crossing Ln, Suite 101
Frederick, MD 217045112
(301) 662-4422
fax (301) 965-8360

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
August 20, 2021
Specialty taxonomy
122300000X — NUCC code
State license (1)
Maryland #10913

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497781850. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$149
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Align Technology, INC. 2 $121.32
SprintRay INC 1 $27.79

By nature of payment

Food and Beverage
$149

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
0
Total drug cost
$34
Drug Type Claims Patients Total cost
Amoxicillin Generic 12 0 $34

Frequently asked questions

Auto-generated from federal data
What is Dr. Omar Mahmassani's medical specialty?
Dr. Omar Mahmassani practices Dentist in Frederick, MD.
Where does Dr. Omar Mahmassani practice?
Dr. Omar Mahmassani practices at 5910 Frederick Crossing Ln, Frederick, MD 217045112. Office phone: 3016624422.
What is Dr. Omar Mahmassani's NPI?
Dr. Omar Mahmassani's National Provider Identifier (NPI) is 1497781850, issued by NPPES.