Doctor profile · Federal record

Dr. Thanh-Loan Dorsam, OD

Optometrist (CMS: Optometry) · Optometrist · Optometrist · Washington, DC

  • NPI 1447319629
  • Accepts Medicare
  • 24 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1325 Connecticut Ave Nw
Washington, DC 200361801
(202) 785-5700
fax (202) 223-6315
Mailing address
1950 Old Gallows RD, Ste 100
Vienna, VA 221823990

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
152W00000X — NUCC code
State licenses (3)
District of Columbia #OP1000098 · Maryland #502MM869 · Maryland #TA9147

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447319629. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
15
Distinct HCPCS
1
Medicare allowed
$2,007
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 15 15 $134

In context: peer comparison

Among 12 peers in this city , average services per provider: 51. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$267
Transactions
7
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 2 $164.24
Tarsus Pharmaceuticals, Inc. 1 $30.89
Bausch & Lomb Americas Inc. 1 $24.46
CooperVision Inc. 1 $18.02
Oasis Medical, Inc. 1 $16.67
Johnson & Johnson Vision Care, Inc. 1 $13.11

By nature of payment

Food and Beverage
$267

Frequently asked questions

Auto-generated from federal data
What is Dr. Thanh-Loan Dorsam's medical specialty?
Dr. Thanh-Loan Dorsam practices Optometrist in Washington, DC.
Where does Dr. Thanh-Loan Dorsam practice?
Dr. Thanh-Loan Dorsam practices at 1325 Connecticut Ave Nw, Washington, DC 200361801. Office phone: 2027855700.
What is Dr. Thanh-Loan Dorsam's NPI?
Dr. Thanh-Loan Dorsam's National Provider Identifier (NPI) is 1447319629, issued by NPPES.
Does Dr. Thanh-Loan Dorsam accept Medicare assignment?
Yes. Dr. Thanh-Loan Dorsam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thanh-Loan Dorsam commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.