Doctor profile · Federal record

Dr. An Hollier, O.D.

Optometrist (CMS: Optometry) · Gaithersburg, MD

  • NPI 1316159650
  • 21 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
832 Muddy Branch RD
Gaithersburg, MD 208782780
(301) 330-9545

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
June 17, 2013
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Maryland #TA1958

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316159650. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$80
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 2 $44.55
CooperVision INC. 2 $35.59

By nature of payment

Food and Beverage
$80

Frequently asked questions

Auto-generated from federal data
What is Dr. An Hollier's medical specialty?
Dr. An Hollier practices Optometrist in Gaithersburg, MD.
Where does Dr. An Hollier practice?
Dr. An Hollier practices at 832 Muddy Branch RD, Gaithersburg, MD 208782780. Office phone: 3013309545.
What is Dr. An Hollier's NPI?
Dr. An Hollier's National Provider Identifier (NPI) is 1316159650, issued by NPPES.
Does Dr. An Hollier accept Medicare assignment?
Dr. An Hollier does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.