Lin Huang, MD, PHD
NPI 1639154149ActiveIndividual· Internal Medicine, Gastroenterology· Tacoma, WA
Internal Medicine, Gastroenterology (MD, PHD) with Washington Gastroenterology PLLC, practicing in Tacoma, Washington. Their prescriptions cost Medicare Part D more than their services did: $234,907 for 739 claims, against $54,451 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 11 companies reporting payments in 2025, $557.67 in all, mostly food and beverage. Lists Multicare Auburn Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1639154149 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Dec 8, 2005 |
| Last updated in NPPES | Apr 8, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD000039882 | WA |
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 - Gastroenterology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 278 |
|---|---|
| Services billed | 481 across 36 procedure codes |
| Paid by Medicare | $54,451 |
Part D prescriptions in 2024
| Prescriptions (claims) | 739 · 1,275 30-day fills |
|---|---|
| Patients | 353 |
| Total drug cost | $234,907 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Washington Gastroenterology PLLCTacoma, WA · 143 clinicians
Hospital affiliations
- Multicare Auburn Medical CenterAuburn, WA
- Multicare Covington Medical CenterCovington, WA
- Multicare Good Samaritan HospitalPuyallup, WA
- St Francis Community HospitalFederal Way, WA
- Tacoma General Allenmore HospitalTacoma, WA
Industry payments (Open Payments)
- 2025$557.67 · 22 payments from 11 companies
- 2024$327.87 · 11 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $112.08 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $101.07 | 4 |
| Abbvie Inc. | $78.69 | 3 |
| Phathom Pharmaceuticals, Inc. | $61.58 | 3 |
| Ipsen Biopharmaceuticals, Inc | $39.93 | 2 |
What the 2025 payments were for
- Food and Beverage$557.67 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 50 gastroenterologists in Tacoma · All gastroenterologists in Washington