What is Vivian Lan's specialty?

Vivian Lan (NPI 1619912284) is a Medicare-billing provider whose primary specialty is Internal Medicine in Emerson, NJ.

Where does Vivian Lan practice?

Vivian Lan practices in Emerson, NJ, based on the location reported in the CMS Medicare provider datasets for NPI 1619912284.

How much does Medicare pay Vivian Lan?

Vivian Lan (NPI 1619912284) received approximately $129K in total Medicare Part B payments, serving 656 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1619912284

Vivian LanMD

Internal MedicineEmerson, NJI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,932

Unique beneficiaries

—

Total services

3,391

Distinct HCPCS

Medicare payment

$122K

Peer benchmark

Total Medicare services vs. 3,616 Internal Medicine providers in NJ — top quintile (cohort median 895).

PRESCRIBING · PART D · 2024

Total Rx claims

5,961

Beneficiaries

—

Total drug cost

$233K

Distinct drugs

Brand share

13.9%

Top prescribed drugs

Rosuvastatin Calcium421 claims

Atorvastatin Calcium403 claims

Amlodipine Besylate402 claims

Levothyroxine Sodium392 claims

Alprazolam299 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Education$79

Top paying entities

Food and Beverage$2K

Education$79

REFERRAL NETWORK

Where Vivian Lan's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE VALLEY HOSPITAL INC.	55	197
PASCACK VALLEY HOSPITAL LLC	28	47
HMH HOSPITALS CORPORATION	19	34
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	19	36
Joseph Smotkin Internal Medicine · Fair Lawn, NJ	19	73
Jeff Chung Rheumatology · Emerson, NJ	12	16
ENGLEWOOD HOSPITAL AND MEDICAL CENTER	12	14
VALLEY HOME CARE, INC	11	34

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events