David M. Guernsey, MD
NPI 1538388251ActiveIndividual· Family Medicine· Chanute, KS
Family Medicine (MD) in Chanute, Kansas, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $684,591 for 12,038 claims, against $139,734 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 17 companies reporting payments in 2025, $1,073 in all, mostly food and beverage.
Overview
| NPI | 1538388251 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 24, 2007 |
| Last updated in NPPES | Jun 12, 2026 |
| Certified by provider | Jun 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 04-33246 | 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 | 429 |
|---|---|
| Services billed | 10,625 across 147 procedure codes |
| Paid by Medicare | $139,734 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,038 · 19,787 30-day fills |
|---|---|
| Patients | 452 |
| Total drug cost | $684,591 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Family Practice |
Medical group
- Neosho Memorial Regional Medical CenterChanute, KS · 26 clinicians
Hospital affiliations
- Allen County Regional HospitalIola, KS
- Fredonia Regional HospitalFredonia, KS
- Neosho Memorial Regional Medical CenterChanute, KS
Other facilities
- Angels Care Home HealthHome health agency · Chanute, KS
- Nmrmc Home Health AgencyHome health agency · Chanute, KS
- Diversicare of ChanuteNursing home · Chanute, KS
- Heritage Health Care Rehabilitation & Skilled NursNursing home · Chanute, KS
Industry payments (Open Payments)
- 2025$1,073 · 70 payments from 17 companies
- 2024$517.45 · 31 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $276.82 | 20 |
| Abbvie Inc. | $197.21 | 19 |
| Shield Therapeutics Inc | $110.97 | 2 |
| Amgen Inc. | $104.91 | 6 |
| Pfizer Inc. | $93.36 | 6 |
What the 2025 payments were for
- Food and Beverage$1,073 · 70 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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