Anna M. Korkis, MD
NPI 1912014887ActiveIndividual· Internal Medicine, Gastroenterology· Ridgewood, NJ
Internal Medicine, Gastroenterology (MD) in Ridgewood, New Jersey, trained at University of Virginia School of Medicine (class of 1986). 261 Medicare patients in 2024, $220,390 paid; nearly all of their 1,844 Part D prescriptions were generic (90%). Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $1,011 in all, mostly food and beverage.
Overview
| NPI | 1912014887 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 24, 2006 |
| Last updated in NPPES | Nov 21, 2023 |
| Certified by provider | Nov 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MA054387 | 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 - Gastroenterology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 261 |
|---|---|
| Services billed | 2,791 across 45 procedure codes |
| Paid by Medicare | $220,390 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,844 · 4,582 30-day fills |
|---|---|
| Patients | 245 |
| Total drug cost | $176,634 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Hospital affiliation
- Valley HospitalParamus, NJ
Industry payments (Open Payments)
- 2025$1,011 · 66 payments from 14 companies
- 2024$1,020 · 58 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $203.50 | 18 |
| Vivus LLC | $171.43 | 10 |
| Madrigal Pharmaceuticals | $156.88 | 9 |
| Phathom Pharmaceuticals, Inc. | $107.32 | 7 |
| Takeda Pharmaceuticals U.S.A., Inc. | $86.82 | 5 |
What the 2025 payments were for
- Food and Beverage$1,011 · 66 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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