Ying Wei Lum, M.D.
NPI 1144372384ActiveIndividual· Surgery, Vascular Surgery· Baltimore, MD
Surgery, Vascular Surgery (M.D.) with Johns Hopkins University and 1 other group, practicing in Baltimore, Maryland. Mostly services rather than prescriptions: Medicare paid $134,201 for 316 patients in 2024, with only 32 Part D claims. W. L. Gore & Associates, Inc. was the largest of 3 companies reporting payments in 2025, $414.01 in all, mostly food and beverage. Lists Johns Hopkins Bayview Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1144372384 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 17, 2007 |
| Last updated in NPPES | Aug 21, 2024 |
| Certified by provider | Aug 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | D70744 | MD |
| Surgery | 208600000X | D70744 | 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 - Vascular Surgery (DC); Practitioner - General Surgery (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 316 |
|---|---|
| Services billed | 698 across 123 procedure codes |
| Paid by Medicare | $134,201 |
Part D prescriptions in 2024
| Prescriptions (claims) | 32 · 60 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $6,565 |
| Generic share | 63% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | General Surgery |
| Secondary specialties | Vascular Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Johns Hopkins UniversityBaltimore, MD · 2,909 clinicians
- Johns Hopkins UniversityBaltimore, MD · 713 clinicians
Hospital affiliations
- Johns Hopkins Bayview Medical CenterBaltimore, MD
- Johns Hopkins Hospital, theBaltimore, MD
- Johns Hopkins Howard County Medical CenterColumbia, MD
Other facilities
- The Johns Hopkins Home Health Services, IncHome health agency · Baltimore, MD
Industry payments (Open Payments)
- 2025$414.01 · 5 payments from 3 companies
- 2024$1,156 · 12 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| W. L. Gore & Associates, Inc. | $246.48 | 2 |
| Cook Medical LLC | $149.80 | 2 |
| Lemaitre Vascular, Inc. | $17.73 | 1 |
What the 2025 payments were for
- Food and Beverage$414.01 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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