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

Dr. Sidney Olefson

Individual provider Internal Medicine Physician · NPI 1457798506

Dr. Sidney Olefson is a Gastroenterology in Burnt Hills, New York. Graduated from Albany Medical College of Union University in 2013, 13 years ago. Practices with Physicians of Cape Cod Hospital, a 327-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Connecticut and Massachusetts.

Years since qualifying
13
Trained at
Albany Medical College of Union University
Licensed in
CT, MA
In the registry since
2013
Specialties on file
3

Practice location Address checks out

848 State Route 50
Burnt Hills, NY 12027-9511
Phone: (518) 831-1500
Fax: (518) 377-1677
Show map & directions

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

Additional practice locations (2)

  • 1770 Route 9, Halfmoon, NY 12065-2495 — (518) 831-1500
  • 1 West Ave Ste 130, Saratoga Springs, NY 12866-6050 — (518) 831-1500

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 278384 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 56817 (CT)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 56817 (CT)

Record details

NPI number1457798506
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 30, 2013
Last updated in NPPESFebruary 3, 2025
Certification dateFebruary 3, 2025
Mailing address848 State Route 50, Burnt Hills, NY 12027-9511

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolALBANY MEDICAL COLLEGE OF UNION UNIVERSITY
Graduated 2013 (13 years in practice)
Group practice Physicians Of Cape Cod Hospital — 327 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Burnt Hills