Nasim Mastouri
NPI 1710121132ActiveIndividual· Internal Medicine, Nephrology· Lima, OH
Internal Medicine, Nephrology with Lima Memorial Professional Corporation, practicing in Lima, Ohio. Their prescriptions cost Medicare Part D more than their services did: $400,562 for 3,393 claims, against $157,227 paid for services in 2024. Amgen Inc. was the largest of 18 companies reporting payments in 2025, $1,190 in all, mostly food and beverage. Lists Grand Lake Health System and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1710121132 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 29, 2009 |
| Last updated in NPPES | Jan 4, 2021 |
| Certified by provider | Jan 4, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 35.120131 | OH |
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 - Nephrology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 572 |
|---|---|
| Services billed | 1,913 across 31 procedure codes |
| Paid by Medicare | $157,227 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,393 · 7,561 30-day fills |
|---|---|
| Patients | 463 |
| Total drug cost | $400,562 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Lima Memorial Professional CorporationLima, OH · 165 clinicians
Hospital affiliations
- Grand Lake Health SystemSaint Marys, OH
- Lima Memorial Health SystemLima, OH
- Mercer County Joint Township Community HospitalColdwater, OH
- Mercy Health St Ritas Medical CenterLima, OH
- Wilson Memorial HospitalSidney, OH
Other facilities
- Fmc - Rcg Van WertDialysis facility · Van Wert, OH
- Fresenius Kidney Care LimaDialysis facility · Lima, OH
- Liberty Dialysis ServicesDialysis facility · Lima, OH
- Lima Memorial Health SystemInpatient rehabilitation facility · Lima, OH
Industry payments (Open Payments)
- 2025$1,190 · 57 payments from 18 companies
- 2024$1,493 · 68 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $275.93 | 11 |
| Novartis Pharmaceuticals Corporation | $146.56 | 6 |
| Calliditas Therapeutics US Inc. | $127.35 | 5 |
| Otsuka America Pharmaceutical, Inc. | $117.83 | 5 |
| Mallinckrodt Hospital Products Inc. | $86.05 | 4 |
What the 2025 payments were for
- Food and Beverage$1,118 · 49 payments
- Education$71.92 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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