What is Marlee Zweifach's specialty?

Marlee Zweifach (NPI 1114097466) is a Medicare-billing provider whose primary specialty is Registered Dietitian or Nutrition Professional in New York, NY.

Where does Marlee Zweifach practice?

Marlee Zweifach practices in New York, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1114097466.

How much does Medicare pay Marlee Zweifach?

Marlee Zweifach (NPI 1114097466) received approximately $12K in total Medicare Part B payments, serving 36 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1114097466

Marlee ZweifachM.S., R.D., C.D.E.,

PRACTICEZACHARY T. BLOOMGARDEN MD PCSee all providers at this practice →

Registered Dietitian or Nutrition ProfessionalNew York, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

271

Distinct HCPCS

Medicare payment

$8K

Peer benchmark

Total Medicare services vs. 183 Registered Dietitian or Nutrition Professional providers in NY — top quintile (cohort median 123).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Marlee Zweifach'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 · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	14	20

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Zachary Bloomgarden Internal Medicine · New York, NY	22	80
Quest Diagnostics Incorporated Clinical Laboratory · Clifton, NJ	15	43

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