Anh T. Nguyen-Liang, O.D.
Optometrist · Lancaster, PA
Anh T. Nguyen-Liang, O.D. is an optometrist with a practice address in Lancaster, Pennsylvania, and NPI 1437209103, issued on Jan 12, 2007. Check the license (Pennsylvania OEG000277, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Anh T. Nguyen-Liang
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OEG000277 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2110 Harrisburg Pike, Lancaster, PA 17601
- Phone
- (717) 299-9232
- Enumerated
- Jan 12, 2007
- Record last updated
- Apr 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 100902339 PA
- Medicare enrollment
- Enrolled (PECOS I20090922000511); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 1998
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,640 in Pennsylvania → Look up another NPI →
Also registered at 2110 Harrisburg Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sylvia Allwardt, MDInternal Medicine Physician1609819580
- Maria Calderon, MDInternal Medicine Physician1326152760
- Paul Conslato, M.D.Internal Medicine Physician1366431934
- Kathryn Couch, CRNPFamily Nurse Practitioner1437558962
- Thomas Grana, D.O.Internal Medicine Physician1437247954
- Viviana Hardy, M.D.Endocrinology, Diabetes & Metabolism Physician1093703803
Verify Anh T. Nguyen-Liang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license OEG000277Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% more Medicare Part D claims than the average optometrist in 2024
454 Medicare Part D claims for 149 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Latanoprost103 claims
- Restasis65 claims
- Timolol Maleate38 claims
- Cyclosporine22 claims
- Lumigan21 claims
- Prednisolone Acetate21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,815.27
42 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Family Eye Group PCLancaster, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anh T. Nguyen-Liang among 2,640 optometrist records in Pennsylvania
Anh T. Nguyen-Liang, O.D. is one of 2,640 optometrist records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 38% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1998 · median 2004 among the 1,588 with a school on file
- Record last updated2019 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Pennsylvania
There are 2,640 optometrist records in Pennsylvania.
All 2,640 in Pennsylvania → Every provider in Lancaster → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- John Broaddus, ODLancaster, PA 176011477551133
- Dennis Dombrowski, ODLancaster, PA 176011174557094
- David Emrich, O.D.Lancaster, PA 176011275503880
- Christopher Esh, O.D.Lancaster, PA 176011053326454
- Tammy Esh, O.D.Lancaster, PA 176011497850317
- Randal Fortner, O.D.Lancaster, PA 176011962508762
- Chad Guaetta, ODLancaster, PA 176011730158171
- Gary Gydush, ODLancaster, PA 176011164501979
Common questions
What is Anh T. Nguyen-Liang, O.D.'s NPI number?
Anh T. Nguyen-Liang, O.D.'s National Provider Identifier (NPI) is 1437209103, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Anh T. Nguyen-Liang, O.D. located?
The NPPES record lists a practice address at 2110 Harrisburg Pike, Lancaster, PA, 17601. Phone: (717) 299-9232. Providers update this record themselves, so call before visiting.
How can I verify Anh T. Nguyen-Liang, O.D.'s license?
NPPES lists Pennsylvania license number OEG000277, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Anh T. Nguyen-Liang, O.D. prescribe under Medicare Part D?
In 2024, Anh T. Nguyen-Liang, O.D. had 454 Medicare Part D claims for 149 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.