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

William J. Mullally, MD

Individual provider Internal Medicine Physician · NPI 1659463339

William J. Mullally, MD is a Neurology in Braintree, Massachusetts. Graduated from Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc) in 1976, 50 years ago. Practices with Brigham and Womens Physicians Organization Inc, a 2,916-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
50
Trained at
Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc)
Licensed in
MA
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

111 Grossman Dr Neurology
Braintree, MA 02184-4997
Phone: (781) 849-2265
Fax: (781) 849-2274
Show map & directions

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

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence 46261 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 46261 (MA)

Record details

NPI number1659463339
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 29, 2006
Last updated in NPPESJune 7, 2011
Mailing address147 Milk St, Provider Enrollment 9th Floor, Boston, MA 02109-4806

Medicare enrollment

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

Medicare specialtyNEUROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolRUTGERS R W JOHNSON MEDICAL SCHOOL (CAM/NEW BRUNS/PISC)
Graduated 1976 (50 years in practice)
Group practice Brigham And Womens Physicians Organization Inc — 2916 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Braintree