John H. Iljas, D.O.
NPI 1669440079ActiveIndividual· Surgery, Vascular Surgery· Livonia, MI
Surgery, Vascular Surgery (D.O.) in Livonia, Michigan, trained at Philadelphia College of Osteopathic Medicine (class of 1991). 1,207 Medicare patients in 2024, $900,865 paid; nearly all of their 845 Part D prescriptions were generic (90%). Endologix LLC was the largest of 17 companies reporting payments in 2025, $3,508 in all, mostly food and beverage.
Overview
| NPI | 1669440079 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 10, 2006 |
| Last updated in NPPES | Nov 6, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | 5101013457 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Vascular Surgery (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,207 |
|---|---|
| Services billed | 9,446 across 130 procedure codes |
| Paid by Medicare | $900,865 |
Part D prescriptions in 2024
| Prescriptions (claims) | 845 · 1,517 30-day fills |
|---|---|
| Patients | 298 |
| Total drug cost | $56,499 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Vascular Surgery |
Medical group
- Vellore R Ramakrishnan M.D., P.C.Livonia, MI · 3 clinicians
Hospital affiliations
- Ascension Providence Hospital, Southfield and NoviSouthfield, MI
- Huron Valley-Sinai HospitalCommerce Township, MI
- Sinai-Grace HospitalDetroit, MI
- St Joe Mercy Hospital System LivoniaLivonia, MI
- Trinity Health Oakland HospitalPontiac, MI
Industry payments (Open Payments)
- 2025$3,508 · 34 payments from 17 companies
- 2024$3,065 · 28 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Endologix LLC | $2,186 | 7 |
| Abbott Laboratories | $221.74 | 3 |
| Lemaitre Vascular, Inc. | $214.53 | 2 |
| Boston Scientific Corporation | $194.88 | 4 |
| Bard Peripheral Vascular, Inc. | $173.84 | 1 |
What the 2025 payments were for
- Food and Beverage$3,508 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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