Thomas Tien, M.D.
NPI 1700234051 · Ophthalmology Physician · Lancaster, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Tien, M.D. is a Ophthalmology Physician provider in Lancaster, PA (NPI 1700234051).
Provider details
- NPI number
- 1700234051
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD470022 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
733 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 309 | $92 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 89 | $497 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 62 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 | $63 |
| Established Patient Complete Exam of Visual System92014 | 48 | $71 |
| Imaging of Retina92134 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 316 | 173 |
| Moxifloxacin Hclbrand: Moxifloxacin | 196 | 152 |
| Timolol Maleate | 71 | 24 |
| Latanoprost | 65 | 23 |
| Cyclosporine | 62 | 26 |
| Erythromycin Basebrand: Erythromycin | 51 | 24 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 46 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$406 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 675 Baltimore DrWilkes Barre, PA 18702-7900Phone: (570) 808-5441Fax: (570) 808-5371
Registry dates
- Enumerated
- 2016-05-26
- Last updated
- 2024-10-01
- Certified
- 2024-10-01
Frequently asked questions
- What is Thomas Tien's NPI number?
- Thomas Tien's National Provider Identifier (NPI) is 1700234051, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Tien's specialty?
- Thomas Tien is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Tien located?
- Thomas Tien's practice location on file with NPPES is 2115 Noll Dr, Lancaster, PA 17603-7600.
- What is Thomas Tien's phone number?
- The practice phone number listed in the NPPES registry for Thomas Tien is (717) 393-7980.
- Does Thomas Tien accept Medicare?
- Thomas Tien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Tien's NPI active?
- Yes — Thomas Tien's NPI (1700234051) is active in the NPPES registry as of the last update on 2024-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.