Paul A. Klaassen, M.D.
NPI 1053313361ActiveIndividual· Family Medicine· Arkansas City, KS
Family Medicine (M.D.) in Arkansas City, Kansas, trained at University of Oklahoma College of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $1,365,233 for 22,698 claims, against $11,549 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 8 companies reporting payments in 2025, $233.28 in all, mostly food and beverage.
Overview
| NPI | 1053313361 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 1, 2005 |
| Last updated in NPPES | Feb 11, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 04-27243 | 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 | 62 |
|---|---|
| Services billed | 133 across 17 procedure codes |
| Paid by Medicare | $11,549 |
Part D prescriptions in 2024
| Prescriptions (claims) | 22,698 · 31,812 30-day fills |
|---|---|
| Patients | 665 |
| Total drug cost | $1,365,233 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Family Practice |
Medical groups
- Select Rehabilitation, LLCGlenview, IL · 2,046 clinicians
- South Central Kansas Regional Medical CenterArkansas City, KS · 18 clinicians
Hospital affiliations
- Sck HealthArkansas City, KS
- Wesley Medical CenterWichita, KS
- William Newton HospitalWinfield, KS
Other facilities
- Angels Care Home HealthHome health agency · Chanute, KS
- Interim Healthcare of WichitaHome health agency · Wichita, KS
- GentivaHospice · Wichita, KS
- Interim Healthcare of Wichita Inc (Hospice)Hospice · Wichita, KS
- Arkansas City Presbyterian ManorNursing home · Arkansas City, KS
- Medicalodges Arkansas CityNursing home · Arkansas City, KS
- Winfield Rest Haven II, LLCNursing home · Winfield, KS
Industry payments (Open Payments)
- 2025$233.28 · 13 payments from 8 companies
- 2024$149.20 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $62.21 | 4 |
| Novo Nordisk Inc | $43.57 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $36.34 | 2 |
| Vanda Pharmaceuticals Inc. | $25.37 | 1 |
| Glaxosmithkline, LLC. | $23.53 | 1 |
What the 2025 payments were for
- Food and Beverage$233.28 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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