Karen Elizabeth Chandler, NP
NPI 1669007944ActiveIndividual· Nurse Practitioner, Family· Mattawan, MI
Nurse Practitioner, Family (NP) with Ascension Medical Group Promed, practicing in Mattawan, Michigan. Their prescriptions cost Medicare Part D more than their services did: $658,300 for 8,926 claims, against $13,639 paid for services in 2024. Novo Nordisk Inc was the largest of 2 companies reporting payments in 2025, $248.62 in all, mostly food and beverage. Lists Borgess Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1669007944 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | Yes |
| NPI issued | Mar 7, 2020 |
| Last updated in NPPES | Mar 7, 2020 |
| Certified by provider | Mar 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 4704338231 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 170 |
|---|---|
| Services billed | 400 across 19 procedure codes |
| Paid by Medicare | $13,639 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,926 · 19,595 30-day fills |
|---|---|
| Patients | 708 |
| Total drug cost | $658,300 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Ascension Medical Group PromedKalamazoo, MI · 262 clinicians
Hospital affiliations
- Borgess Medical CenterKalamazoo, MI
- Bronson Methodist HospitalKalamazoo, MI
Other facilities
- Beacon PlainwellLong-term care hospital · Plainwell, MI
Industry payments (Open Payments)
- 2025$248.62 · 9 payments from 2 companies
- 2024$26.68 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $227.00 | 8 |
| Regeneron Healthcare Solutions, Inc. | $21.62 | 1 |
What the 2025 payments were for
- Food and Beverage$248.62 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records