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

William E Shay, MD

Individual provider Internal Medicine Physician · NPI 1033198627

William E Shay, MD is an Internal Medicine in Provincetown, Massachusetts. Graduated from Albany Medical College of Union University in 1981, 45 years ago. Practices with Outer Cape Health Services Inc, a 50-clinician group and accepts Medicare assignment. Licensed in Massachusetts and New York.

Years since qualifying
45
Trained at
Albany Medical College of Union University
Licensed in
MA, 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

49 Harry Kemp Way
Provincetown, MA 02657-1618
Phone: (508) 487-9395
Fax: (508) 487-6298
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 202858 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 151526 (NY)

Record details

NPI number1033198627
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 11, 2006
Last updated in NPPESJuly 8, 2026
Certification dateJuly 8, 2026
Mailing addressPo Box 2796, Orleans, MA 02653-6796

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolALBANY MEDICAL COLLEGE OF UNION UNIVERSITY
Graduated 1981 (45 years in practice)
Group practice Outer Cape Health Services Inc — 50 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Provincetown