Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

William Chase Boyd, MD

Individual provider Anesthesiology Physician · NPI 1215009634

William Chase Boyd, MD practises Anesthesiology in Portland, Maine. Graduated from University of Wisconsin School of Medicine in 1994, 32 years ago. Practices with Spectrum Healthcare Partners PA, a 298-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
32
Trained at
University of Wisconsin School of Medicine
Licensed in
ME
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

22 Bramhall St
Portland, ME 04102-3134 Not confirmed with CMS for 11 years — call before visiting
Phone: (207) 662-2526
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence MD15393 (ME)

Record details

NPI number1215009634
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 14, 2006
Last updated in NPPESOctober 26, 2015

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Spectrum Healthcare Partners Pa — 298 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients65
Services billed 122 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Spectrum Healthcare Partners PA

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 298 clinicians in the practice; 12 are shown here.

Other providers in Portland