Sang Wook An, M.D.
NPI 1033437017ActiveIndividual· Internal Medicine· Baltimore, MD
Internal Medicine (M.D.) in Baltimore, Maryland, trained at Temple University School of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $854,107 for 8,395 claims, against $117,071 paid for services in 2024.
Overview
| NPI | 1033437017 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 14, 2010 |
| Last updated in NPPES | Jun 21, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D0075745 | MD |
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 - Internal Medicine (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 490 |
|---|---|
| Services billed | 2,823 across 33 procedure codes |
| Paid by Medicare | $117,071 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,395 · 20,178 30-day fills |
|---|---|
| Patients | 575 |
| Total drug cost | $854,107 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Temple University School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Maryland Family Care IncReisterstown, MD · 157 clinicians
Hospital affiliations
- Johns Hopkins Hospital, theBaltimore, MD
- Medstar Good Samaritan HospitalBaltimore, MD
- Mercy Medical Center IncBaltimore, MD
Other facilities
- Amedisys Home Health of Maryland LLCHome health agency · Rosedale, MD
- Medstar Health Home CareHome health agency · Baltimore, MD
- Stella Maris, Inc.Home health agency · Timonium, MD
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,555 internal medicine physicians in Baltimore · All internal medicine physicians in Maryland