Karishma Iyer, MD
NPI 1336762830ActiveIndividual· Internal Medicine, Nephrology· Lancaster, PA
Internal Medicine, Nephrology (MD) with Nephrology Associates of Lancaster, Ltd, practicing in Lancaster, Pennsylvania. Part D covered 69 prescriptions written in 2024, 74% of them generic. Mallinckrodt Hospital Products Inc. was the largest of 4 companies reporting payments in 2025, $94.69 in all, mostly food and beverage. Lists Lancaster General Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1336762830 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 19, 2020 |
| Last updated in NPPES | Jul 10, 2025 |
| Certified by provider | Jul 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD490469 | PA |
| Internal Medicine | 207R00000X | MT220592 | PA |
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 - Nephrology (PA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 69 · 156 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $20,579 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Nephrology Associates of Lancaster, LtdStevens, PA · 20 clinicians
Hospital affiliations
- Lancaster General HospitalLancaster, PA
- Penn State Health Lancaster Medical CenterLancaster, PA
- Wellspan Ephrata Community HospitalEphrata, PA
Other facilities
- Davita Manheim Pike DialysisDialysis facility · Lancaster, PA
- Davita Willow Lakes DialysisDialysis facility · Willow Street, PA
Industry payments (Open Payments)
- 2025$94.69 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $25.83 | 1 |
| Apellis Pharmaceuticals, Inc. | $24.27 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $22.70 | 1 |
| Otsuka America Pharmaceutical, Inc. | $21.89 | 1 |
What the 2025 payments were for
- Food and Beverage$94.69 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 nephrologists in Lancaster · All nephrologists in Pennsylvania