Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Claire Nathalie Grigaux, MD

Individual provider Internal Medicine Physician · NPI 1992883557

Dr. Claire Nathalie Grigaux, MD is an Internal Medicine in Union, New Jersey. Graduated from State University of Ny Upstate Medical University in 1998, 28 years ago. Practices with Practice Associates Medical Group, a 1,403-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and New Jersey.

Years since qualifying
28
Trained at
State University of Ny Upstate Medical University
Licensed in
CA, NJ
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1000 Galloping Hill Road Developmental Disabilities Ctr
Union, NJ 07083
Phone: (908) 598-6655
Fax: (908) 686-8374
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 25MA08546700 (NJ)
Internal Medicine Physician Taxonomy 207R00000X · Licence A83392 (CA)

Record details

NPI number1992883557
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESNovember 23, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolSTATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY
Graduated 1998 (28 years in practice)
Group practice Practice Associates Medical Group — 1403 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Union