Nathan Douglas Tofteland, MD
NPI 1528280328ActiveIndividual· Internal Medicine, Gastroenterology· Wichita, KS
Internal Medicine, Gastroenterology (MD) in Wichita, Kansas, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 2006). 310 Medicare patients in 2024, $56,641 paid; nearly all of their 444 Part D prescriptions were generic (95%). Aimmune Therapeutics, Inc. was the largest of 3 companies reporting payments in 2025, $50.52 in all, mostly food and beverage.
Overview
| NPI | 1528280328 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 2, 2007 |
| Last updated in NPPES | Jun 1, 2023 |
| Certified by provider | Jun 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 04-32659 | KS |
| Internal Medicine | 207R00000X | 04-32659 | KS |
| Pediatrics | 208000000X | 04-32659 | 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 - Gastroenterology (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 310 |
|---|---|
| Services billed | 588 across 47 procedure codes |
| Paid by Medicare | $56,641 |
Part D prescriptions in 2024
| Prescriptions (claims) | 444 · 844 30-day fills |
|---|---|
| Patients | 144 |
| Total drug cost | $64,067 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine, Pediatric Medicine |
Medical group
- University of Kansas School of Medicine Wichita Medical Practice AssocWichita, KS · 55 clinicians
Hospital affiliations
- Ascension Via Christi Hospitals Wichita, Inc.Wichita, KS
- Nmc HealthNewton, KS
- Wesley Medical CenterWichita, KS
Industry payments (Open Payments)
- 2025$50.52 · 3 payments from 3 companies
- 2024$57.60 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aimmune Therapeutics, Inc. | $24.78 | 1 |
| Celltrion USA Inc. | $20.74 | 1 |
| Phathom Pharmaceuticals, Inc. | $5.00 | 1 |
What the 2025 payments were for
- Food and Beverage$50.52 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 gastroenterologists in Wichita · All gastroenterologists in Kansas