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

Luis Diaz, MD

Individual provider Internal Medicine Physician · NPI 1861966178

Luis Diaz, MD is an Internal Medicine in Fair Lawn, New Jersey. Qualified in 2013, 13 years ago. Practices with Sovereign Medical Group LLC, a 20-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New Jersey and New York.

Years since qualifying
13
Licensed in
NJ, NY
In the registry since
2019
Specialties on file
2
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

14-01 Broadway Ste B
Fair Lawn, NJ 07410-2001
Phone: (201) 791-4544
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 7721 66th Dr, Middle Village, NY 11379-2620 — (305) 781-9994

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 25MA12831900 (NJ)
Internal Medicine Physician Taxonomy 207R00000X · Licence P12405 (NY)

Record details

NPI number1861966178
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 20, 2019
Last updated in NPPESNovember 10, 2025
Certification dateNovember 10, 2025
Mailing address680 Kinderkamack Rd Ste 300, Oradell, NJ 07649-1600

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Sovereign Medical Group Llc — 20 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Fair Lawn