Jennafer Birne Ottenheimer, PA-C
NPI 1356753016ActiveIndividual· Physician Assistant· Lake Forest, IL
Physician Assistant (PA-C) with Northwestern Medical Faculty Foundation, practicing in Lake Forest, Illinois. Their prescriptions cost Medicare Part D more than their services did: $31,994 for 231 claims, against $16,392 paid for services in 2024. Abbvie Inc. reported $514.59 in payments in 2025, mostly food and beverage. Lists Northwestern Lake Forest Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1356753016 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | May 28, 2014 |
| Last updated in NPPES | Jun 30, 2021 |
| Certified by provider | Jun 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085005056 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 165 |
|---|---|
| Services billed | 338 across 15 procedure codes |
| Paid by Medicare | $16,392 |
Part D prescriptions in 2024
| Prescriptions (claims) | 231 · 331 30-day fills |
|---|---|
| Patients | 89 |
| Total drug cost | $31,994 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine McHenryMcHenry, IL
- Northwestern Memorial HospitalChicago, IL
Industry payments (Open Payments)
- 2025$514.59 · 6 payments from 1 company
- 2024$650.43 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $514.59 | 6 |
What the 2025 payments were for
- Food and Beverage$514.59 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 69 physician assistants in Lake Forest · All physician assistants in Illinois