Johanna Elaine Killian, PA
NPI 1114038700ActiveIndividual· Physician Assistant· Saint Joseph, MI
Physician Assistant (PA) with Dermatology and Skin Surgery Center, practicing in Saint Joseph, Michigan. Their prescriptions cost Medicare Part D more than their services did: $1,214,737 for 799 claims, against $104,344 paid for services in 2024. Incyte Corporation was the largest of 19 companies reporting payments in 2025, $1,373 in all, mostly food and beverage. Lists Lakeland Hospital, St Joseph as a hospital affiliation.
Overview
| NPI | 1114038700 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Feb 25, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601003414 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 675 |
|---|---|
| Services billed | 3,259 across 58 procedure codes |
| Paid by Medicare | $104,344 |
Part D prescriptions in 2024
| Prescriptions (claims) | 799 · 1,135 30-day fills |
|---|---|
| Patients | 291 |
| Total drug cost | $1,214,737 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Dermatology and Skin Surgery CenterJackson, MI · 30 clinicians
Hospital affiliation
- Lakeland Hospital, St JosephSt Joseph, MI
Industry payments (Open Payments)
- 2025$1,373 · 79 payments from 19 companies
- 2024$1,120 · 58 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Incyte Corporation | $166.36 | 8 |
| Ucb, Inc. | $160.74 | 10 |
| Amgen Inc. | $147.96 | 10 |
| Lilly USA, LLC | $138.74 | 9 |
| Organon LLC | $134.80 | 14 |
What the 2025 payments were for
- Food and Beverage$1,373 · 79 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 47 physician assistants in Saint Joseph · All physician assistants in Michigan