Hanna Mariani, M.D.
NPI 1013206556ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Kenosha, WI
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Kenosha, Wisconsin, trained at Geisel School of Medicine at Dartmouth (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $1,852,644 for 4,147 claims, against $96,665 paid for services in 2024. Tandem Diabetes Care, Inc. was the largest of 2 companies reporting payments in 2025, $182.54 in all, mostly food and beverage.
Overview
| NPI | 1013206556 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 5, 2011 |
| Last updated in NPPES | Feb 16, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 66687-20 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 224 |
|---|---|
| Services billed | 6,471 across 13 procedure codes |
| Paid by Medicare | $96,665 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,147 · 9,848 30-day fills |
|---|---|
| Patients | 448 |
| Total drug cost | $1,852,644 |
| Generic share | 40% of claims |
Education and affiliations
| Medical school | Geisel School of Medicine at Dartmouth |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Froedtert South IncKenosha, WI · 161 clinicians
Hospital affiliation
- Froedtert South Inc.Kenosha, WI
Industry payments (Open Payments)
- 2025$182.54 · 2 payments from 2 companies
- 2024$32.27 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tandem Diabetes Care, Inc. | $122.45 | 1 |
| Insulet Corporation | $60.09 | 1 |
What the 2025 payments were for
- Food and Beverage$182.54 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Kenosha
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