Ik Jo Ahn, M.D.
NPI 1215917893ActiveIndividual· Anesthesiology· Fpo, AP
Anesthesiology (M.D.) in Fpo, Armed Forces Pacific, trained at George Washington University School of Medicine (class of 1999). Medicare paid $43,093 for services to 175 patients in 2024. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $114.62 in all, mostly food and beverage.
Overview
| NPI | 1215917893 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 19, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | D0056642 | MD |
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 - Anesthesiology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 175 |
|---|---|
| Services billed | 298 across 51 procedure codes |
| Paid by Medicare | $43,093 |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Anesthesiology |
Medical group
- North Calvert Anesthesiology Services LLCBaltimore, MD · 62 clinicians
Hospital affiliation
- Mercy Medical Center IncBaltimore, MD
Industry payments (Open Payments)
- 2025$114.62 · 6 payments from 2 companies
- 2024$109.20 · 5 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $80.64 | 4 |
| Vertex Pharmaceuticals Incorporated | $33.98 | 2 |
What the 2025 payments were for
- Food and Beverage$114.62 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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