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

John Mark Madison, MD

Individual provider Pulmonary Disease Physician · NPI 1821070244

John Mark Madison, MD is a Pulmonary Disease in Worcester, Massachusetts. Graduated from Harvard Medical School in 1979, 47 years ago. Practices with Umass Memorial Medical Group Inc, a 2,467-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
47
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2005
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

55 Lake Ave N Dept OF Pulmonary Medicine
Worcester, MA 01655-0002
Phone: (508) 856-6938
Fax: (508) 856-3999
Show map & directions

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

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 72090 (MA)

Record details

NPI number1821070244
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 20, 2005
Last updated in NPPESNovember 18, 2020
Certification dateNovember 18, 2020
Mailing addressPo Box 415348, Boston, MA 02241-5348

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1979 (47 years in practice)
Group practice Umass Memorial Medical Group Inc — 2467 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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