Vivian E. Lan, MD
NPI 1619912284ActiveIndividual· Internal Medicine· Emerson, NJ
Internal Medicine (MD) in Emerson, New Jersey, trained at Icahn School of Medicine at Mount Sinai (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $330,486 for 6,527 claims, against $128,806 paid for services in 2024. Novo Nordisk Inc was the largest of 20 companies reporting payments in 2025, $1,299 in all, mostly food and beverage.
Overview
| NPI | 1619912284 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 18, 2006 |
| Last updated in NPPES | Jul 13, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MA65656 | NJ |
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 | 656 |
|---|---|
| Services billed | 3,692 across 36 procedure codes |
| Paid by Medicare | $128,806 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,527 · 15,712 30-day fills |
|---|---|
| Patients | 994 |
| Total drug cost | $330,486 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mpv New Jersey MD Services PCDumont, NJ · 151 clinicians
Hospital affiliations
- Englewood Hospital and Medical CenterEnglewood, NJ
- Hackensack Meridian Health Pascack Valley MedicalWestwood, NJ
- Hackensack University Medical CenterHackensack, NJ
- Holy Name Medical CenterTeaneck, NJ
- Valley HospitalParamus, NJ
Other facilities
- Amedisys Home HealthHome health agency · Hackensack, NJ
- Valley Home Care Inc.Home health agency · Paramus, NJ
- Kessler Rehab CenterInpatient rehabilitation facility · West Orange, NJ
Industry payments (Open Payments)
- 2025$1,299 · 66 payments from 20 companies
- 2024$1,624 · 71 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $221.95 | 7 |
| Janssen Biotech, Inc. | $172.06 | 10 |
| Ucb, Inc. | $169.29 | 9 |
| Madrigal Pharmaceuticals | $92.61 | 5 |
| Takeda Pharmaceuticals U.S.A., Inc. | $82.50 | 5 |
What the 2025 payments were for
- Food and Beverage$1,299 · 66 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Emerson
- 1033413422
- 1083641955
- 1366419145
- 1386670206
- 1396816427
- 1437134061
- 1538153531
- 1609870245
- 1760650394
- 1770845430
- 1821298795
- 1831168194
All 24 internal medicine physicians in Emerson · All internal medicine physicians in New Jersey