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

Dr. Michael W Mendelson, MD

Individual provider Internal Medicine Physician · NPI 1043323835

Dr. Michael W Mendelson, MD is an Internal Medicine in Port Jefferson Station, New York. Graduated from Saint Louis University School of Medicine in 1965, 61 years ago. Practices with Cardiac EKG Interpretation, P. C., a 57-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
61
Trained at
Saint Louis University School 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.

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Practice location Address checks out

5360 Nesconset Hghy Ste B
Port Jefferson Station, NY 11776-2018
Phone: (631) 331-3200
Fax: (631) 331-3694
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 110115 (NY)

Record details

NPI number1043323835
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 16, 2006
Last updated in NPPESMay 24, 2021
Certification dateMay 24, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1965 (61 years in practice)
Group practice Cardiac Ekg Interpretation, P. C. — 57 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Port Jefferson Station