Ling Lan
NPI 1851895544ActiveIndividual· Internal Medicine· Warren, NJ
Internal Medicine with Summit Medical Group PA, practicing in Warren, New Jersey. 190 Medicare patients in 2024, $75,532 paid; nearly all of their 1,373 Part D prescriptions were generic (93%). Boehringer Ingelheim Pharmaceuticals, Inc. reported $106.43 in payments in 2024, mostly food and beverage. Lists Overlook Medical Center as a hospital affiliation.
Overview
| NPI | 1851895544 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 19, 2018 |
| Last updated in NPPES | Sep 28, 2022 |
| Certified by provider | Sep 26, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25MA11470400 | NJ |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 190 |
|---|---|
| Services billed | 1,216 across 71 procedure codes |
| Paid by Medicare | $75,532 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,373 · 3,298 30-day fills |
|---|---|
| Patients | 222 |
| Total drug cost | $71,433 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Summit Medical Group PABerkeley Heights, NJ · 1,212 clinicians
Hospital affiliation
- Overlook Medical CenterSummit, NJ
Industry payments (Open Payments)
- 2024$106.43 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $106.43 | 1 |
What the 2024 payments were for
- Food and Beverage$106.43 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Warren
- 1174967426
- 1407954548
- 1528105640
- 1639293244
- 1669736195
- 1699070441
- 1932175361
- 1992793418
- 1073638797
- 1326129586
- 1457798829
- 1033165295
All 39 internal medicine physicians in Warren · All internal medicine physicians in New Jersey