Diana Immenhausen, D.O.
NPI 1821331604ActiveIndividual· Family Medicine· Brimfield, MA
Family Medicine (D.O.) in Brimfield, Massachusetts, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $498,785 for 4,388 claims, against $42,885 paid for services in 2024.
Overview
| NPI | 1821331604 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 31, 2013 |
| Last updated in NPPES | Feb 2, 2023 |
| Certified by provider | Feb 2, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 295025 | MA |
| Family Medicine | 207Q00000X | 283013 | NY |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 256 |
|---|---|
| Services billed | 846 across 26 procedure codes |
| Paid by Medicare | $42,885 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,388 · 9,514 30-day fills |
|---|---|
| Patients | 581 |
| Total drug cost | $498,785 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Lake Erie College of Osteopathic Medicine, Erie |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Family Practice |
Medical group
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
Hospital affiliations
- Umass Memorial Health - Harrington HospitalSouthbridge, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Other facilities
- Care Central Vna & Hospice IncHome health agency · Gardner, MA
- Elara CaringHome health agency · Braintree, MA
- Pathways HealthcareHome health agency · Westwood, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine providers in Brimfield
- 1780646927
- 1821062407
- 1700263944