Shanon L. Custer, MD
NPI 1902870637ActiveIndividual· Internal Medicine· Hays, KS
Internal Medicine (MD) in Hays, Kansas, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $1,145,667 for 15,502 claims, against $221,087 paid for services in 2024. Amgen Inc. was the largest of 11 companies reporting payments in 2025, $359.57 in all, mostly food and beverage.
Overview
| NPI | 1902870637 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 17, 2006 |
| Last updated in NPPES | Dec 16, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 04-30345 | KS |
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 - Internal Medicine (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,218 |
|---|---|
| Services billed | 6,836 across 33 procedure codes |
| Paid by Medicare | $221,087 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,502 · 25,725 30-day fills |
|---|---|
| Patients | 559 |
| Total drug cost | $1,145,667 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Internal Medicine |
Medical group
- Hays Medical Center IncHays, KS · 191 clinicians
Hospital affiliations
- Hays Medical CenterHays, KS
- Rooks County Health CenterPlainville, KS
- Rush County Memorial HospitalLa Crosse, KS
- Russell Regional HospitalRussell, KS
- University of Ks Hlth System Great Bend CampusGreat Bend, KS
Other facilities
- Angels Care Home Health of Dodge CityHome health agency · Wa Keeney, KS
- Good Samaritan Home Health of Central KansasHome health agency · Hays, KS
- Hospice & Palliative Care at HaysmedHospice · Hays, KS
- Good Samaritan - EllisNursing home · Ellis, KS
- Good Samaritan - HaysNursing home · Hays, KS
- Via Christi Village Hays Ks LLCNursing home · Hays, KS
Industry payments (Open Payments)
- 2025$359.57 · 18 payments from 11 companies
- 2024$567.71 · 35 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $71.31 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $44.29 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $39.16 | 2 |
| Alnylam Pharmaceuticals Inc. | $32.28 | 1 |
| Apellis Pharmaceuticals, Inc. | $31.59 | 1 |
What the 2025 payments were for
- Food and Beverage$359.57 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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