Ari L. Nahum, M.D.
NPI 1538503719ActiveIndividual· Internal Medicine· Saint Paul, MN
Internal Medicine (M.D.) with Group Health Inc, practicing in Saint Paul, Minnesota. Their prescriptions cost Medicare Part D more than their services did: $52,496 for 764 claims, against $27,512 paid for services in 2024. Lists Lakeview Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1538503719 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 18, 2013 |
| Last updated in NPPES | Jun 14, 2023 |
| Certified by provider | Jun 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 60230 | MN |
| Internal Medicine | 207R00000X | 69932-20 | 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 - Internal Medicine (MN); Practitioner - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 139 |
|---|---|
| Services billed | 388 across 21 procedure codes |
| Paid by Medicare | $27,512 |
Part D prescriptions in 2024
| Prescriptions (claims) | 764 · 916 30-day fills |
|---|---|
| Patients | 94 |
| Total drug cost | $52,496 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
| Telehealth | Offers telehealth |
Medical group
- Group Health IncBloomington, MN · 1,638 clinicians
Hospital affiliations
- Lakeview Memorial HospitalStillwater, MN
- Regions HospitalSaint Paul, MN
- Westfields Hospital and ClinicNew Richmond, WI
Other facilities
- Lakeview HospiceHospice · Oak Park Heights, MN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 259 internal medicine physicians in Saint Paul · All internal medicine physicians in Minnesota