Thomas John, MD
NPI 1457351041 · Ophthalmology Physician · Tinley Park, IL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas John, MD is a Ophthalmology Physician provider in Tinley Park, IL (NPI 1457351041).
Provider details
- NPI number
- 1457351041
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036074878 (IL)
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
1,226 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 Problem Focused Exam of Visual System92012 | 457 | $90 |
| Closure of Tear Duct Opening Using Plug68761 | 203 | $144 |
| Established Patient Complete Exam of Visual System92014 | 99 | $127 |
| New Patient Complete Exam of Visual System92004 | 74 | $149 |
| Imaging of Optic Nerve92133 | 66 | $37 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 62 | $38 |
| Exam of Visual Field With Extended Testing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 536 | 120 |
| Brimonidine Tartrate | 387 | 106 |
| Prednisolone Acetate | 384 | 197 |
| Dorzolamide Hcl | 245 | 65 |
| Ofloxacin | 184 | 109 |
| Erythromycin Basebrand: Erythromycin | 157 | 100 |
| Ketorolac Tromethamine | 152 | 92 |
| Timolol Maleate | 118 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33 across 2 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
- 2005-07-26
- Last updated
- 2015-03-20
Frequently asked questions
- What is Thomas John's NPI number?
- Thomas John's National Provider Identifier (NPI) is 1457351041, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas John's specialty?
- Thomas John is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas John located?
- Thomas John's practice location on file with NPPES is 16532 S Oak Park Avenue, Tinley Park, IL 60477.
- What is Thomas John's phone number?
- The practice phone number listed in the NPPES registry for Thomas John is (708) 429-2223.
- Does Thomas John accept Medicare?
- Thomas John is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas John's NPI active?
- Yes — Thomas John's NPI (1457351041) is active in the NPPES registry as of the last update on 2015-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.