Doctor profile · Federal record

Dr. Lien-Thu Dao, OD

Optometrist (CMS: Optometry) · Sturbridge, MA

  • NPI 1548574361
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Charlton RD, Center at Hobbs Brook
Sturbridge, MA 015661505
(508) 347-3300
fax (508) 347-6303
Mailing address
59 Washington St 1B
Haverhill, MA 018325523

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
December 29, 2015
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Massachusetts #4806

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548574361. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
692
Distinct HCPCS
6
Medicare allowed
$84,716
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 424 424 $124
92004 New patient complete exam of visual system 135 135 $147
99214 Established patient office or other outpatient visit, 30-39 minutes 67 59 $124
92250 Photography of the retina 28 28 $35
99213 Established patient office or other outpatient visit, 20-29 minutes 20 20 $88
92083 Exam of visual field with extended testing 18 18 $62

In context: peer comparison

Among 3 peers in Sturbridge Optometrist, average services per provider: 115. This provider delivers 6.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
62
Patients
25
Total drug cost
$35,711
Drug Type Claims Patients Total cost
Restasis (Cyclosporine) Brand 33 0 $33,862
Prednisolone Acetate Generic 29 25 $1,849

Frequently asked questions

Auto-generated from federal data
What is Dr. Lien-Thu Dao's medical specialty?
Dr. Lien-Thu Dao practices Optometrist in Sturbridge, MA.
Where does Dr. Lien-Thu Dao practice?
Dr. Lien-Thu Dao practices at 100 Charlton RD, Sturbridge, MA 015661505. Office phone: 5083473300.
What is Dr. Lien-Thu Dao's NPI?
Dr. Lien-Thu Dao's National Provider Identifier (NPI) is 1548574361, issued by NPPES.
Does Dr. Lien-Thu Dao accept Medicare assignment?
Dr. Lien-Thu Dao does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Lien-Thu Dao commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); New patient complete exam of visual system (HCPCS 92004); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.