Cary N. Mariash, MD
NPI 1477636371ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Indianapolis, IN
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Iu Health Medical Group LLC, practicing in Indianapolis, Indiana. Their prescriptions cost Medicare Part D more than their services did: $830,916 for 1,502 claims, against $20,502 paid for services in 2024. Pfizer Inc. reported $17.54 in payments in 2025, mostly food and beverage. Lists Indiana University Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1477636371 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 23, 2006 |
| Last updated in NPPES | Mar 14, 2025 |
| Certified by provider | Mar 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 01065821A | IN |
| Internal Medicine | 207R00000X | 01065821A | IN |
| Internal Medicine | 207R00000X | 20921 | MN |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 20921 | MN |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 01065821 | IN |
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 - Endocrinology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 167 |
|---|---|
| Services billed | 409 across 11 procedure codes |
| Paid by Medicare | $20,502 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,502 · 3,534 30-day fills |
|---|---|
| Patients | 215 |
| Total drug cost | $830,916 |
| Generic share | 65% of claims |
Education and affiliations
| Graduation year | 1972 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Iu Health Medical Group LLCIndianapolis, IN · 4,462 clinicians
Hospital affiliations
- Indiana University HealthIndianapolis, IN
- Indiana University Health North HospitalCarmel, IN
Industry payments (Open Payments)
- 2025$17.54 · 1 payment from 1 company
- 2024$1,278 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $17.54 | 1 |
What the 2025 payments were for
- Food and Beverage$17.54 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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