What is Claire Grigaux's specialty?

Claire Grigaux (NPI 1992883557) is a Medicare-billing provider whose primary specialty is Internal Medicine in Union, NJ.

Where does Claire Grigaux practice?

Claire Grigaux practices in Union, NJ, based on the location reported in the CMS Medicare provider datasets for NPI 1992883557.

How much does Medicare pay Claire Grigaux?

Claire Grigaux (NPI 1992883557) received approximately $143K in total Medicare Part B payments, serving 295 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1992883557

Claire GrigauxM.D.

Internal MedicineUnion, NJI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,214

Unique beneficiaries

—

Total services

2,752

Distinct HCPCS

Medicare payment

$137K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

6,377

Beneficiaries

—

Total drug cost

$305K

Distinct drugs

Brand share

11.6%

Top prescribed drugs

Atorvastatin Calcium1,049 claims

Amlodipine Besylate548 claims

Levothyroxine Sodium548 claims

Simvastatin334 claims

Metformin Hcl331 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 Claire Grigaux'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). 22 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Nina Andreoli Internal Medicine · Union, NJ	102	329
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	43	135
AHS HOSPITAL CORP.	34	95
Cooperman Barnabas Medical Center Inc Medicare Diabetes Preventive Program · Livingston, NJ	33	145
Alexander Volvovsky Diagnostic Radiology · New York, NY	26	66
Jeffrey Doskow Cardiology · Union, NJ	25	92
Erika Berman Diagnostic Radiology · Berkeley Heights, NJ	24	42
CHRISTIAN HEALTH CARE CENTER	23	158
FEIGELMAN, THEODOR	22	43
Terrence Lee Diagnostic Radiology · New Providence, NJ	20	58
Allison Gunzburg Ophthalmology · South Orange, NJ	19	30
Jeffrey Gold Cardiology · Union, NJ	18	51

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