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

Dennis Stephen Strittmatter, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1508840711

Dennis Stephen Strittmatter, MD is an Obstetrics/Gynecology in Port Jefferson, New York. Graduated from Creighton University School of Medicine in 1998, 28 years ago. Practices with North Shore Hematology Oncology Associates PC, a 473-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
28
Trained at
Creighton University School of Medicine
Licensed in
NY
In the registry since
2005
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

118 N Country Rd
Port Jefferson, NY 11777-2120
Phone: (631) 473-7171
Fax: (631) 473-4605
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 223903 (NY)

Record details

NPI number1508840711
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 1, 2005
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolCREIGHTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice North Shore Hematology Oncology Associates Pc — 473 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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