Ericka Shannon Sikkenga, D.O.
NPI 1952520736ActiveIndividual· Obstetrics & Gynecology· Muskegon, MI
Obstetrics & Gynecology (D.O.) in Muskegon, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $28,816 for 242 claims, against $3,047 paid for services in 2024. Astellas Pharma US Inc was the largest of 8 companies reporting payments in 2025, $314.95 in all, mostly food and beverage.
Overview
| NPI | 1952520736 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 24, 2007 |
| Last updated in NPPES | Jan 10, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 5101015950 | 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 - Obstetrics/Gynecology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 35 across 13 procedure codes |
| Paid by Medicare | $3,047 |
Part D prescriptions in 2024
| Prescriptions (claims) | 242 · 616 30-day fills |
|---|---|
| Patients | 81 |
| Total drug cost | $28,816 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Mercy Health Partners-Obstetrics and Gynecology SpecialistMuskegon, MI · 7 clinicians
Hospital affiliation
- Trinity Health Muskegon HospitalMuskegon, MI
Industry payments (Open Payments)
- 2025$314.95 · 11 payments from 8 companies
- 2024$772.57 · 29 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $90.18 | 3 |
| Intuitive Surgical, Inc. | $89.88 | 1 |
| Organon LLC | $40.54 | 2 |
| Sumitomo Pharma America, Inc. | $21.76 | 1 |
| Merck Sharp & Dohme LLC | $20.14 | 1 |
What the 2025 payments were for
- Food and Beverage$314.95 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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