What is Mariegrace Witham's specialty?

Mariegrace Witham (NPI 1164496519) is a Medicare-billing provider whose primary specialty is Family Practice in East Orange, NJ.

Where does Mariegrace Witham practice?

Mariegrace Witham practices in East Orange, NJ, based on the location reported in the CMS Medicare provider datasets for NPI 1164496519.

How much does Medicare pay Mariegrace Witham?

Mariegrace Witham (NPI 1164496519) received approximately $5K in total Medicare Part B payments, serving 50 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1164496519

Mariegrace WithamD.O.

PRACTICERN STAFFSee all providers at this practice →

Family PracticeEast Orange, NJI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$5K

Peer benchmark

Total Medicare services vs. 1,769 Family Practice providers in NJ — bottom quintile (cohort median 715).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$71

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Amoxicillin17 claims

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 Mariegrace Witham'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
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	26	52

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Andrew Becker Family Practice · Baltimore, MD	23	59
Cooperman Barnabas Medical Center Inc Medicare Diabetes Preventive Program · Livingston, NJ	21	34
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	15	24

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