Sow-Sei James Lin, M.D.
NPI 1457417990ActiveIndividual· Anesthesiology· Baltimore, MD
Anesthesiology (M.D.) with North Calvert Anesthesiology Services LLC, practicing in Baltimore, Maryland. Mostly services rather than prescriptions: Medicare paid $29,577 for 218 patients in 2024, with only 21 Part D claims. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $183.21 in all, mostly food and beverage. Lists Mercy Medical Center Inc as a hospital affiliation.
Overview
| NPI | 1457417990 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 29, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | D0029468 | 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 - Anesthesiology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 218 |
|---|---|
| Services billed | 222 across 33 procedure codes |
| Paid by Medicare | $29,577 |
Part D prescriptions in 2024
| Prescriptions (claims) | 21 · 59 30-day fills |
|---|---|
| Total drug cost | $2,275 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 1979 |
|---|---|
| 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$183.21 · 9 payments from 2 companies
- 2024$114.74 · 6 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $149.21 | 7 |
| Vertex Pharmaceuticals Incorporated | $34.00 | 2 |
What the 2025 payments were for
- Food and Beverage$183.21 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 569 anesthesiologists in Baltimore · All anesthesiologists in Maryland