Christopher H. Tashjian, MD
NPI 1134112634ActiveIndividual· Family Medicine· River Falls, WI
Family Medicine (MD) in River Falls, Wisconsin, trained at University of Minnesota Medical School (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $377,749 for 4,595 claims, against $44,353 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. reported $31.69 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1134112634 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2005 |
| Last updated in NPPES | Apr 19, 2024 |
| Certified by provider | Apr 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 31569 | WI |
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 - Family Practice (MN); Practitioner - Family Practice (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 157 |
|---|---|
| Services billed | 1,179 across 71 procedure codes |
| Paid by Medicare | $44,353 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,595 · 10,212 30-day fills |
|---|---|
| Patients | 319 |
| Total drug cost | $377,749 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Family Practice |
Medical group
- Fairview ClinicsEagan, MN · 782 clinicians
Hospital affiliations
- M Health Fairview University of Mn Medical CenterMinneapolis, MN
- M Health Fairview Woodwinds HospitalWoodbury, MN
- River Falls Area HospitalRiver Falls, WI
Other facilities
- Adoray Home Health and HospiceHome health agency · Baldwin, WI
- Interim Healthcare of Western WisconsinHome health agency · Hudson, WI
Industry payments (Open Payments)
- 2025$31.69 · 2 payments from 1 company
- 2024$112.11 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $31.69 | 2 |
What the 2025 payments were for
- Food and Beverage$31.69 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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