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

Dr. John Louis McCarthy, MD

Individual provider Emergency Medicine Physician · NPI 1083636807

Dr. John Louis McCarthy, MD is an Emergency Medicine in Uniondale, New York. Graduated from Howard University College of Medicine in 1995, 31 years ago. Practices with Interfaith Emergency Medicine PC, a 31-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
31
Trained at
Howard University College of Medicine
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1345 Rxr Plz
Uniondale, NY 11556
Phone: (516) 783-4600
Fax: (516) 783-4612
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 214648 (NY)

Record details

NPI number1083636807
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 24, 2006
Last updated in NPPESJanuary 14, 2015
Mailing address1345 Rxr Plaza, Uniondale, NY 11556

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolHOWARD UNIVERSITY COLLEGE OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Interfaith Emergency Medicine Pc — 31 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Uniondale