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

Individual provider Internal Medicine Physician · NPI 1366454696

Dr. William Nicholas Fenney, MD is an Internal Medicine in Hyannis, Massachusetts. Graduated from New York Medical College in 1979, 47 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
47
Trained at
New York Medical College
Licensed in
MA
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

35 Cedar St
Hyannis, MA 02601-3009
Phone: (508) 778-6363
Fax: (508) 778-6677
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MA51180 (MA)

Record details

NPI number1366454696
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 13, 2006
Last updated in NPPESSeptember 25, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1979 (47 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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