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

Individual provider Internal Medicine Physician · NPI 1942271283

Mr. Jeffrey Robert Koretzky, MD is an Internal Medicine in Howell, New Jersey. Graduated from Rutgers New Jersey Medical School in 1993, 33 years ago. Accepts Medicare assignment and offers telehealth. Licensed in New Jersey.

Years since qualifying
33
Trained at
Rutgers New Jersey Medical School
Licensed in
NJ
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

4618 Route 9 S
Howell, NJ 07731
Phone: (732) 364-5533
Fax: (732) 367-1325
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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 25MA06614600 (NJ)

Record details

NPI number1942271283
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 26, 2006
Last updated in NPPESAugust 21, 2014

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolRUTGERS NEW JERSEY MEDICAL SCHOOL
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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