Marcus Weiser, DO
NPI 1598993065ActiveIndividual· Family Medicine· Onaga, KS
Family Medicine (DO) in Onaga, Kansas, trained at Kansas City University of Physicians and Surgeons (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $796,347 for 6,825 claims, against $24,282 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 9 companies reporting payments in 2025, $241.84 in all, mostly food and beverage.
Overview
| NPI | 1598993065 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 23, 2009 |
| Last updated in NPPES | Oct 29, 2020 |
| Certified by provider | Oct 29, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 05-34404 | KS |
| Family Medicine | 207Q00000X | 7189 | KS |
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 - Family Practice (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 99 |
|---|---|
| Services billed | 352 across 18 procedure codes |
| Paid by Medicare | $24,282 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,825 · 10,943 30-day fills |
|---|---|
| Patients | 372 |
| Total drug cost | $796,347 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Kansas City University of Physicians and Surgeons |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Family Practice |
Medical group
- Community Healthcare System IncOnaga, KS · 32 clinicians
Hospital affiliations
- Community Hospital, Onaga and St Marys CampusOnaga, KS
- Nemaha Valley Community HospitalSeneca, KS
- Stormont Vail HospitalTopeka, KS
- University of Kansas Health System - St Francis CampusTopeka, KS
Other facilities
- Community HomehealthHome health agency · Onaga, KS
- Elara CaringHospice · Topeka, KS
- Onaga Operator, LLCNursing home · Onaga, KS
Industry payments (Open Payments)
- 2025$241.84 · 13 payments from 9 companies
- 2024$91.13 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $64.61 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $36.49 | 2 |
| Novartis Pharmaceuticals Corporation | $32.04 | 2 |
| Melinta Therapeutics, LLC | $22.96 | 1 |
| Lilly USA, LLC | $19.82 | 1 |
What the 2025 payments were for
- Food and Beverage$241.84 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine providers in Onaga
- 1093771776
- 1578528824
- 1649852997
- 1063482115