Doctor profile · Federal record

Dr. Mark Borsuk, O.D.

Optometrist (CMS: Optometry) · Corneal and Contact Management Optometrist · Vision Therapy Optometrist · Gaithersburg, MD

  • NPI 1639171960
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
108 Olde Towne Ave, Ste 16
Gaithersburg, MD 208776005
(240) 631-2255
fax (240) 631-2299

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
December 14, 2007
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Maryland #TA1522

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639171960. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$167
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Tarsus Pharmaceuticals, INC. 1 $121.84
Bausch & Lomb Americas INC. 2 $28.41
CooperVision INC. 1 $16.44

By nature of payment

Food and Beverage
$167

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Borsuk's medical specialty?
Dr. Mark Borsuk practices Optometrist in Gaithersburg, MD.
Where does Dr. Mark Borsuk practice?
Dr. Mark Borsuk practices at 108 Olde Towne Ave, Gaithersburg, MD 208776005. Office phone: 2406312255.
What is Dr. Mark Borsuk's NPI?
Dr. Mark Borsuk's National Provider Identifier (NPI) is 1639171960, issued by NPPES.
Does Dr. Mark Borsuk accept Medicare assignment?
Yes. Dr. Mark Borsuk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.