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

Theodore Blaszczyk, MD

Individual provider Obstetrics Physician · NPI 1962588640

Theodore Blaszczyk, MD is an Obstetrics/Gynecology in Smithtown, New York. Graduated from Northwestern University Feinberg Medical School in 1983, 43 years ago. Practices with University Associates in Obstetrics and Gynecology University Faculty, a 115-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
43
Trained at
Northwestern University Feinberg Medical School
Licensed in
NY
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

200 E Main St Ste 1E
Smithtown, NY 11787
Phone: (631) 265-4567
Fax: (631) 265-4704
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 169211 (NY)
Obstetrics Physician Taxonomy 207VX0000X · Licence 169211 (NY)
Gynecology Physician Taxonomy 207VG0400X · Licence 169211 (NY)

Record details

NPI number1962588640
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 27, 2006
Last updated in NPPESApril 27, 2022
Certification dateApril 27, 2022
Mailing address45 Research Way Ste 208a, East Setauket, NY 11733-6401

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1983 (43 years in practice)
Group practice University Associates In Obstetrics And Gynecology University Faculty — 115 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare