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

Dr. Jennifer Williams Mack, MD, MPH

Individual provider Pediatric Hematology & Oncology Physician · NPI 1225006398

Dr. Jennifer Williams Mack, MD, MPH is a Hematology/Oncology in Boston, Massachusetts. Graduated from Harvard Medical School in 1998, 28 years ago. Practices with Dana-Farber Cancer Institute, Inc, a 668-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
28
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

44 Binney St 454 Ste 21
Boston, MA 02115
Phone: (617) 632-6818
Fax: (617) 632-2270
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 212529 (MA)

Record details

NPI number1225006398
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedMarch 14, 2006
Last updated in NPPESMarch 13, 2012

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesPEDIATRIC MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1998 (28 years in practice)
Group practice Dana-Farber Cancer Institute, Inc. — 668 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Boston