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

William Sacks, MD

Individual provider Emergency Medicine Physician · NPI 1871537548

William Sacks, MD is an Emergency Medicine in Milford, Connecticut. Graduated from New York Medical College in 1983, 43 years ago. Practices with Hartford Healthcare Medical Group Specialists PLLC, a 1,537-clinician group and accepts Medicare assignment. Licensed in Connecticut and New York.

Years since qualifying
43
Trained at
New York Medical College
Licensed in
CT, NY
In the registry since
2006
Specialties on file
2
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

300 Seaside Avenue Milford Hospital
Milford, CT 06460
Phone: (203) 876-4000
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 027774 (CT)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 162917-1 (NY)

Record details

NPI number1871537548
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2006
Last updated in NPPESSeptember 19, 2015
Mailing address345 Joan Dr, Fairfield, CT 06824-2238

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Also practisesINTERNAL MEDICINE, NEPHROLOGY, NEUROLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1983 (43 years in practice)
Group practice Hartford Healthcare Medical Group Specialists Pllc — 1537 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Milford