Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Lillian E. C. McMahon, MD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1801873542

Dr. Lillian E. C. McMahon, MD is a Pediatric Medicine in Boston, Massachusetts. Qualified in 1963, 63 years ago. Practices with Evans Medical Foundation Inc, a 526-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
63
Licensed in
MA
In the registry since
2005
Specialties on file
2
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

830 Harrison Ave Moakley 3rd Fl
Boston, MA 02118-2905
Phone: (617) 638-6428
Fax: (617) 638-5756
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence 35185 (MA)
Pediatric Hematology & Oncology Physician Taxonomy 2080P0207X · Licence 35185 (MA)

Record details

NPI number1801873542
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 23, 2005
Last updated in NPPESSeptember 27, 2017
Mailing address720 Harrison Ave, Dob 503, Boston, MA 02118

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Also practisesHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 1963 (63 years in practice)
Group practice Evans Medical Foundation Inc — 526 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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