Thomas Chi, MD
NPI 1851341846 · Ophthalmology Physician · Medina, OH
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Chi, MD is a Ophthalmology Physician provider in Medina, OH (NPI 1851341846).
Provider details
- NPI number
- 1851341846
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35066729 (OH)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,891 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 | 520 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 510 | $86 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 505 | $23 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 279 | $458 |
| Imaging of Retina92134 | 222 | $36 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 819 | 279 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 444 | 137 |
| Prednisolone Acetate | 435 | 332 |
| Timolol Maleate | 382 | 150 |
| Moxifloxacin Hclbrand: Moxifloxacin | 325 | 225 |
| Diclofenac Sodium | 309 | 223 |
| Brimonidine Tartrate | 177 | 63 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,256 across 15 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
Registry dates
- Enumerated
- 2006-05-11
- Last updated
- 2008-10-02
Frequently asked questions
- What is Thomas Chi's NPI number?
- Thomas Chi's National Provider Identifier (NPI) is 1851341846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Chi's specialty?
- Thomas Chi is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Chi located?
- Thomas Chi's practice location on file with NPPES is 3583 Reserve Commons Dr, Medina, OH 44256-8180.
- What is Thomas Chi's phone number?
- The practice phone number listed in the NPPES registry for Thomas Chi is (330) 722-8300.
- Does Thomas Chi accept Medicare?
- Thomas Chi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Chi's NPI active?
- Yes — Thomas Chi's NPI (1851341846) is active in the NPPES registry as of the last update on 2008-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.