What is Karen Sun's specialty?

Karen Sun (NPI 1558307900) is a Medicare-billing provider whose primary specialty is Internal Medicine in Bridgewater, NJ.

Where does Karen Sun practice?

Karen Sun practices in Bridgewater, NJ, based on the location reported in the CMS Medicare provider datasets for NPI 1558307900.

How much does Medicare pay Karen Sun?

Karen Sun (NPI 1558307900) received approximately $65K in total Medicare Part B payments, serving 143 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1558307900

Karen SunM.D.

PRACTICEALLIANCE MEDICAL ASSOCIATES, PCSee all providers at this practice →

Internal MedicineBridgewater, NJI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

493

Unique beneficiaries

—

Total services

754

Distinct HCPCS

Medicare payment

$50K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

2,702

Beneficiaries

—

Total drug cost

$164K

Distinct drugs

Brand share

13.6%

Top prescribed drugs

Atorvastatin Calcium165 claims

Amlodipine Besylate161 claims

Levothyroxine Sodium160 claims

Mirtazapine150 claims

Metoprolol Succinate147 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$256

Payment records

By payment type

Food and Beverage$256

Top paying entities

Food and Beverage$256

REFERRAL NETWORK

Where Karen Sun'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). 42 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ROBERT WOOD JOHNSON UNIVERSITY HOSPITAL INC	142	565
Peimei Qu Internal Medicine · Bridgewater, NJ	137	825
FRIENDS RETIREMENT CONCEPT'S INC.	127	602
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	91	236
Anju Rustagi Physical Medicine and Rehabilitation · Somerset, NJ	68	237
Kavitha Kanuri Physical Medicine and Rehabilitation · Coconut Creek, FL	67	227
Robert Jaffe Diagnostic Radiology · Edison, NJ	47	155
Xinye Wu Internal Medicine · Somerset, NJ	46	143
Sadia Ahmed Internal Medicine · Somerville, NJ	44	180
Anthony Caravello Diagnostic Radiology · East Brunswick, NJ	42	115
Juliet Lwanga Internal Medicine · Wilkes Barre, PA	41	122
Alan Saunders Interventional Radiology · East Brunswick, NJ	41	133

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