Thomas Tien, M.D.
Ophthalmology Physician · Lancaster, PA
Thomas Tien, M.D. is an ophthalmology physician with a practice address in Lancaster, Pennsylvania, and NPI 1700234051, issued on May 26, 2016. Check the license (Pennsylvania MD470022, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Thomas Tien
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD470022 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2115 Noll Dr, Lancaster, PA 17603
- Phone
- (717) 393-7980
- Enumerated
- May 26, 2016
- Record last updated
- Oct 1, 2024
- Fax
- (717) 509-5079
- Medicare enrollment
- Enrolled (PECOS I20200529002094); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,088 in Pennsylvania → Look up another NPI →
Also registered at 2115 Noll Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Francis Manning, MDOphthalmology Physician1891787404
- Bethany Rommel, M.D.Ophthalmology Physician1750792552
- Catherine Rommel, MDOphthalmology Physician1194717090
- Adam Thode, M.D.Ophthalmology Physician1063738987
Verify Thomas Tien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD470022Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,057 Medicare Part D claims for 367 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Prednisolone Acetate316 claims
- Moxifloxacin196 claims
- Timolol Maleate71 claims
- Latanoprost65 claims
- Cyclosporine62 claims
- Erythromycin51 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: $406.23
6 payments; by number, the most common kind was food and beverage; the largest payer was Biotissue Holdings Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Francis J. Manning MD, PCLancaster, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Tien among 1,088 ophthalmology physician records in Pennsylvania
Thomas Tien, M.D. is one of 1,088 ophthalmology physician records with a practice address in Pennsylvania. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 85% of them.
- NPI issued2016 · 85% of these records are older, 14% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2016 · median 2000 among the 734 with a school on file
- Record last updated2024 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Pennsylvania
There are 1,088 ophthalmology physician records in Pennsylvania.
All 1,088 in Pennsylvania → Every provider in Lancaster → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Justin Cappiello, MDLancaster, PA 176031043259559
- Francis Manning, MDLancaster, PA 176031891787404
- Catherine Rommel, MDLancaster, PA 176031194717090
- Bethany Rommel, M.D.Lancaster, PA 176031750792552
- Nora Siegal, MD PHDLancaster, PA 176031356786594
- Adam Thode, M.D.Lancaster, PA 176031063738987
- Patrick Tiedeken, M.D.Lancaster, PA 176031013994805
- John Bowman, M.D.Lancaster, PA 176021477824589
Common questions
What is Thomas Tien, M.D.'s NPI number?
Thomas Tien, M.D.'s National Provider Identifier (NPI) is 1700234051, issued on May 26, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Tien, M.D. located?
The NPPES record lists a practice address at 2115 Noll Dr, Lancaster, PA, 17603. Phone: (717) 393-7980. Providers update this record themselves, so call before visiting.
How can I verify Thomas Tien, M.D.'s license?
NPPES lists Pennsylvania license number MD470022, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Tien, M.D. prescribe under Medicare Part D?
In 2024, Thomas Tien, M.D. had 1,057 Medicare Part D claims for 367 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.