What is Natan Bar-Chama's specialty?

Natan Bar-Chama (NPI 1366426652) is a Medicare-billing provider whose primary specialty is Urology in New York, NY.

Where does Natan Bar-Chama practice?

Natan Bar-Chama practices in New York, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1366426652.

How much does Medicare pay Natan Bar-Chama?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Natan Bar-Chama (NPI 1366426652) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1366426652

Natan Bar-Chama

UrologyNew York, NYI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$35

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Anastrozole15 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$16K

Payment records

By payment type

Travel and Lodging$9K

Consulting Fee$6K

Food and Beverage$833

Top paying entities

Travel and Lodging$9K

Consulting Fee$6K

Food and Beverage$833

REFERRAL NETWORK

Where Natan Bar-Chama'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). 1 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MOUNT SINAI HOSPITAL	69	180

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
MOUNT SINAI HOSPITAL	22	88
Ashutosh Tewari Urology · New York, NY	20	68
MOUNT SINAI HOSPITAL	14	36

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