What is Chang Sim's specialty?

Chang Sim (NPI 1821134842) is a Medicare-billing provider whose primary specialty is Podiatry in New York, NY.

Where does Chang Sim practice?

Chang Sim practices in New York, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1821134842.

How much does Medicare pay Chang Sim?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Chang Sim (NPI 1821134842) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1821134842

Chang Sim

PRACTICENEW YORK & NEW JERSEY FOOT & ANKLE CARE ASSOCIATES P.C.See all providers at this practice →

PodiatryNew York, NYI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

818

Beneficiaries

—

Total drug cost

$11K

Distinct drugs

Brand share

4.4%

Top prescribed drugs

Diclofenac Sodium282 claims

Clotrimazole269 claims

Ammonium Lactate120 claims

Mupirocin100 claims

Clotrimazole/Betamethasone Dip36 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$52

Payment records

By payment type

Food and Beverage$52

Top paying entities

Food and Beverage$52

REFERRAL NETWORK

Where Chang Sim'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
TSANG, FLORA	66	361
NPI 1205878154	53	74
ANCIRO, GLEEN	44	537
Hamid Lalani Family Practice · Corona, NY	26	36
LUVR DIAGNOSTIC SERVICES INC	19	47
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	11	20

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