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

Haven William Spencer, DO

Individual provider Emergency Medicine Physician · NPI 1982193389

Haven William Spencer, DO is an Emergency Medicine in Hyannis, Massachusetts. Graduated from University of New England, College of Osteo Medicine in 2018, 8 years ago. Practices with Cape Cod Emergency Associates LLP, a 33-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
8
Trained at
University of New England, College of Osteo Medicine
Licensed in
MA
In the registry since
2018
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

27 Park St
Hyannis, MA 02601-5203
Phone: (508) 771-1800
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 287099 (MA)

Record details

NPI number1982193389
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 2, 2018
Last updated in NPPESJune 30, 2022
Certification dateJune 30, 2022
Mailing address27 Park St, Hyannis, MA 02601-5230

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Graduated 2018 (8 years in practice)
Group practice Cape Cod Emergency Associates Llp — 33 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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