John Iljas, D.O.
NPI 1669440079 · Vascular Surgery Physician · Livonia, MI
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Iljas, D.O. is a Vascular Surgery Physician provider in Livonia, MI (NPI 1669440079).
Provider details
- NPI number
- 1669440079
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101013457 (MI)
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
2,358 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 370 | $90 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 352 | $60 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 190 | $96 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 186 | $35 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 124 | $22 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cilostazol | 203 | 77 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 201 | 84 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 134 | 94 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 58 | 37 |
| Apixabanbrand: Eliquis | 52 | 13 |
| Pentoxifylline | 37 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,065 across 28 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
- 2006-03-10
- Last updated
- 2019-11-06
Frequently asked questions
- What is John Iljas's NPI number?
- John Iljas's National Provider Identifier (NPI) is 1669440079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Iljas's specialty?
- John Iljas is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Iljas located?
- John Iljas's practice location on file with NPPES is 15370 Levan Road, Livonia, MI 48154-1903.
- What is John Iljas's phone number?
- The practice phone number listed in the NPPES registry for John Iljas is (734) 462-8401.
- Does John Iljas accept Medicare?
- John Iljas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Iljas's NPI active?
- Yes — John Iljas's NPI (1669440079) is active in the NPPES registry as of the last update on 2019-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.