Chi-Whei Lin, M.D.
NPI 1114057254ActiveIndividual· Internal Medicine· Laguna Hills, CA
Internal Medicine (M.D.) in Laguna Hills, California, trained at Creighton University School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $524,696 for 6,411 claims, against $49,043 paid for services in 2024. Revance Therapeutics, Inc. was the largest of 7 companies reporting payments in 2025, $316.19 in all, mostly food and beverage.
Overview
| NPI | 1114057254 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 7, 2007 |
| Last updated in NPPES | May 6, 2026 |
| Certified by provider | May 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A55435 | CA |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | A55435 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 192 |
|---|---|
| Services billed | 600 across 12 procedure codes |
| Paid by Medicare | $49,043 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,411 · 15,487 30-day fills |
|---|---|
| Patients | 457 |
| Total drug cost | $524,696 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
Other facilities
- Acacia Hh&p of Southern California, LLCHome health agency · Irvine, CA
Industry payments (Open Payments)
- 2025$316.19 · 11 payments from 7 companies
- 2024$368.29 · 17 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Revance Therapeutics, Inc. | $162.69 | 3 |
| Glaxosmithkline, LLC. | $45.37 | 2 |
| Exact Sciences Corporation | $30.63 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $21.14 | 1 |
| Pfizer Inc. | $19.86 | 1 |
What the 2025 payments were for
- Food and Beverage$316.19 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 86 internal medicine physicians in Laguna Hills · All internal medicine physicians in California