Jonathan Hattenhauer, D.O.
NPI 1013302348ActiveIndividual· Internal Medicine, Gastroenterology· Milwaukie, OR
Internal Medicine, Gastroenterology (D.O.) in Milwaukie, Oregon, trained at Western Un of Hlth Sciences, Col of Podiatric Med (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $193,494 for 710 claims, against $75,532 paid for services in 2024.
Overview
| NPI | 1013302348 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 3, 2015 |
| Last updated in NPPES | Aug 19, 2025 |
| Certified by provider | Aug 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | DO203654 | OR |
| Internal Medicine, Gastroenterology | 207RG0100X | OP61629049 | WA |
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 (OR); Practitioner - Gastroenterology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 331 |
|---|---|
| Services billed | 1,013 across 42 procedure codes |
| Paid by Medicare | $75,532 |
Part D prescriptions in 2024
| Prescriptions (claims) | 710 · 857 30-day fills |
|---|---|
| Patients | 511 |
| Total drug cost | $193,494 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Western Un of Hlth Sciences, Col of Podiatric Med |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Yakima Valley Memorial PhysiciansYakima, WA · 391 clinicians
- PeacehealthVancouver, WA · 249 clinicians
- PeacehealthVancouver, WA · 103 clinicians
Hospital affiliations
- Peacehealth Southwest Medical CenteVancouver, WA
- Yakima Valley MemorialYakima, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Milwaukie
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