Grace Y. Lin, M.D.
NPI 1114167178ActiveIndividual· Internal Medicine, Nephrology· Whittier, CA
Internal Medicine, Nephrology (M.D.) with Whittier Internal Medicine and Nephrology Medical Group Inc, practicing in Whittier, California. In 2024 Medicare paid $144,028 for 374 patients, and Part D covered 1,389 of their prescriptions, 76% of them generic. Otsuka America Pharmaceutical, Inc. was the largest of 4 companies reporting payments in 2025, $83.33 in all, mostly food and beverage. Lists Pih Health Hospital-Whittier and 1 other hospital as hospital affiliations.
Overview
| NPI | 1114167178 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 3, 2009 |
| Last updated in NPPES | Apr 11, 2020 |
| Certified by provider | Apr 11, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A106746 | CA |
| Internal Medicine | 207R00000X | A 106746 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 374 |
|---|---|
| Services billed | 1,872 across 26 procedure codes |
| Paid by Medicare | $144,028 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,389 · 2,947 30-day fills |
|---|---|
| Patients | 304 |
| Total drug cost | $202,523 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- Whittier Internal Medicine and Nephrology Medical Group IncWhittier, CA · 7 clinicians
Hospital affiliations
- Pih Health Hospital-WhittierWhittier, CA
- Whittier Hospital Medical CenterWhittier, CA
Other facilities
- Davita Bluff Rd DialysisDialysis facility · Montebello, CA
- Davita Lambert DialysisDialysis facility · Whittier, CA
- Davita Maybrook DialysisDialysis facility · Whittier, CA
- Presbyterian Intercommunity Hospital Home HealthHome health agency · La Mirada, CA
- Presbyterian IntercommunityInpatient rehabilitation facility · Whittier, CA
Industry payments (Open Payments)
- 2025$83.33 · 4 payments from 4 companies
- 2024$285.71 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $27.13 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $23.09 | 1 |
| Amgen Inc. | $17.05 | 1 |
| Fresenius USA Marketing, Inc. | $16.06 | 1 |
What the 2025 payments were for
- Food and Beverage$83.33 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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