Marius Gradianu, D.O.
NPI 1144665878 · Ophthalmology Physician · Elmhurst, IL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marius Gradianu, D.O. is a Ophthalmology Physician provider in Elmhurst, IL (NPI 1144665878).
Provider details
- NPI number
- 1144665878
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036154553 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,216 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 466 | $93 |
| Imaging of Retina92134 | 369 | $41 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 357 | $131 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 184 | $38 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 160 | $484 |
| 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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 519 | 344 |
| Ketorolac Tromethamine | 336 | 197 |
| Moxifloxacin Hclbrand: Moxifloxacin | 302 | 180 |
| Latanoprost | 287 | 106 |
| Brimonidine Tartrate | 121 | 49 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 114 | 37 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 105 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,833 across 131 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 (3)
- 205 N East AveJackson, MI 49201Phone: (517) 788-4800Fax: (517) 817-7050
- 2575 Airport RdJackson, MI 49202-1867Phone: (269) 888-4432Fax: (269) 585-6259
- 2877 Crooks Rd Ste BTroy, MI 48084-4717Phone: (248) 822-7003Fax: (248) 822-7008
Registry dates
- Enumerated
- 2013-05-08
- Last updated
- 2023-05-18
- Certified
- 2021-09-30
Frequently asked questions
- What is Marius Gradianu's NPI number?
- Marius Gradianu's National Provider Identifier (NPI) is 1144665878, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marius Gradianu's specialty?
- Marius Gradianu is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Marius Gradianu located?
- Marius Gradianu's practice location on file with NPPES is 152 N Addison Ave, Elmhurst, IL 60126-2821.
- What is Marius Gradianu's phone number?
- The practice phone number listed in the NPPES registry for Marius Gradianu is (630) 833-9621.
- Does Marius Gradianu accept Medicare?
- Marius Gradianu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marius Gradianu's NPI active?
- Yes — Marius Gradianu's NPI (1144665878) is active in the NPPES registry as of the last update on 2023-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.