Rowen Gumpas Diano, MD
Internal Medicine, Geriatric Medicine (MD) in Montclair, New Jersey, licensed in NJ, with an NPI issued in January 2007. Their prescriptions cost Medicare Part D more than their services did: $1,329,669 for 12,112 claims, against $422,491 paid for services in 2024. Otsuka America Pharmaceutical, Inc. reported $120.29 in payments in 2025, mostly food and beverage. Lists Cooperman Barnabas Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1992862585 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 2, 2007 |
| Last updated in NPPES | Aug 1, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 25MA0693000 | NJ |
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 - Geriatric Medicine (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 325 |
|---|---|
| Services billed | 4,267 across 34 procedure codes |
| Paid by Medicare | $422,491 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,112 · 16,470 30-day fills |
|---|---|
| Patients | 437 |
| Total drug cost | $1,329,669 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Geriatric Medicine |
| Secondary specialties | Hospice/Palliative Care, Internal Medicine |
Hospital affiliations
- Cooperman Barnabas Medical CenterLivingston, NJ
- Hackensack Meridian Mountainside MedicalMontclair, NJ
Other facilities
- Adoration Home HealthHome health agency · Clifton, NJ
- Ascend Home HealthHome health agency · Rochelle Park, NJ
- Patient CareHome health agency · West Orange, NJ
- Promise Care NjHome health agency · East Orange, NJ
- Hospice of New Jersey, LLCHospice · Bloomfield, NJ
- Complete Care at Cedar GroveNursing home · Cedar Grove, NJ
- Complete Care at West Caldwell LLCNursing home · West Caldwell, NJ
- Family of Caring Healthcare at MontclairNursing home · Montclair, NJ
- Green HillNursing home · West Orange, NJ
- Montclair Care CenterNursing home · Montclair, NJ
Industry payments (Open Payments)
- 2025$120.29 · 1 payment from 1 company
- 2024$518.13 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $120.29 | 1 |
What the 2025 payments were for
- Food and Beverage$120.29 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Geriatric Medicine providers in Montclair
- 1902927874
- 1306597026
- 1972987907
All Internal Medicine, Geriatric Medicine providers in New Jersey →