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

Dr. Elliott B Dreznick, MD

Individual provider Gastroenterology Physician · NPI 1861448078

Dr. Elliott B Dreznick, MD is a Gastroenterology in Port Jefferson Station, New York. Graduated from New York Medical College in 1984, 42 years ago. Practices with Chs Physician Partners PC, a 747-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
42
Trained at
New York Medical College
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

1174 Route 112
Port Jefferson Station, NY 11776-3057
Phone: (631) 642-9090
Fax: (631) 642-2475
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 164235 (NY)

Record details

NPI number1861448078
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 26, 2006
Last updated in NPPESMarch 16, 2012

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1984 (42 years in practice)
Group practice Chs Physician Partners Pc — 747 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Port Jefferson Station