Thomas Patrianakos, D.O.
NPI 1073530929 · Ophthalmology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Patrianakos, D.O. is a Ophthalmology Physician provider in Chicago, IL (NPI 1073530929).
Provider details
- NPI number
- 1073530929
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036-113316 (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
19 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
2,307 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 | 512 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 343 | $93 |
| Established Patient Complete Exam of Visual System92014 | 276 | $76 |
| Established Patient Problem Focused Exam of Visual System92012 | 213 | $50 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 170 | $175 |
| Imaging of Optic Nerve92133 | 132 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 607 | 166 |
| Prednisolone Acetate | 229 | 120 |
| Brimonidine Tartrate | 203 | 63 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 188 | 48 |
| Timolol Maleate | 154 | 51 |
| Dorzolamide Hcl | 154 | 57 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 100 | 68 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,448 across 21 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
- 2006-07-16
- Last updated
- 2026-05-26
- Certified
- 2026-05-26
Frequently asked questions
- What is Thomas Patrianakos's NPI number?
- Thomas Patrianakos's National Provider Identifier (NPI) is 1073530929, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Patrianakos's specialty?
- Thomas Patrianakos is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Patrianakos located?
- Thomas Patrianakos's practice location on file with NPPES is 5872 N Milwaukee Ave, Chicago, IL 60646-5425.
- What is Thomas Patrianakos's phone number?
- The practice phone number listed in the NPPES registry for Thomas Patrianakos is (773) 792-2020.
- Does Thomas Patrianakos accept Medicare?
- Thomas Patrianakos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Patrianakos's NPI active?
- Yes — Thomas Patrianakos's NPI (1073530929) is active in the NPPES registry as of the last update on 2026-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.