Hajin Lim, MD
NPI 1457324592ActiveIndividual· Internal Medicine, Cardiovascular Disease· The Woodlands, TX
Internal Medicine, Cardiovascular Disease (MD) with Memorial Hermann Medical Group, practicing in The Woodlands, Texas. Their prescriptions cost Medicare Part D more than their services did: $541,764 for 2,993 claims, against $118,438 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 14 companies reporting payments in 2025, $527.41 in all, mostly food and beverage. Lists Memorial Hermann Hospital System and 1 other hospital as hospital affiliations.
Overview
| NPI | 1457324592 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 9, 2006 |
| Last updated in NPPES | Apr 5, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | P0624 | TX |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 1999137431 | MO |
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 - Cardiovascular Disease (Cardiology) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 941 |
|---|---|
| Services billed | 2,171 across 39 procedure codes |
| Paid by Medicare | $118,438 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,993 · 7,638 30-day fills |
|---|---|
| Patients | 405 |
| Total drug cost | $541,764 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Memorial Hermann Medical GroupSugar Land, TX · 762 clinicians
Hospital affiliations
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Northeast HospitalHumble, TX
Industry payments (Open Payments)
- 2025$527.41 · 28 payments from 14 companies
- 2024$741.33 · 32 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $169.70 | 10 |
| Bayer Healthcare Pharmaceuticals Inc. | $46.24 | 3 |
| Imperative Care, Inc | $43.85 | 2 |
| E.R. Squibb & Sons, L.L.C. | $39.26 | 2 |
| Kestra Medical Technology Services, Inc. | $38.31 | 1 |
What the 2025 payments were for
- Food and Beverage$527.41 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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