Mark Stefaniuk, M.D.
NPI 1013932409 · Family Medicine Physician · Glenview, IL
Mark Stefaniuk, M.D. is a Family Medicine Physician provider in Glenview, IL (NPI 1013932409).
Provider details
- NPI number
- 1013932409
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 89349 (ID#) (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Metformin Hcl | 46 |
| Gabapentin | 39 |
| Escitalopram Oxalate | 33 |
| Pantoprazole Sodium | 25 |
| Atorvastatin Calcium | 23 |
| Rosuvastatin Calcium | 22 |
| Metoprolol Succinate | 21 |
| Alprazolam | 21 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,226 across 32 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
- 2006-07-13
- Last updated
- 2022-11-14
- Certified
- 2022-11-14
Frequently asked questions
- What is Mark Stefaniuk's NPI number?
- Mark Stefaniuk's National Provider Identifier (NPI) is 1013932409, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Stefaniuk's specialty?
- Mark Stefaniuk is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Stefaniuk located?
- Mark Stefaniuk's practice location on file with NPPES is 3633 W Lake Ave Ste 108, Glenview, IL 60026-5801.
- What is Mark Stefaniuk's phone number?
- The practice phone number listed in the NPPES registry for Mark Stefaniuk is (847) 510-2805.
- Is Mark Stefaniuk's NPI active?
- Yes — Mark Stefaniuk's NPI (1013932409) is active in the NPPES registry as of the last update on 2022-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.