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

Dr. Paul Brian Dieffenbach, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1376717348

Dr. Paul Brian Dieffenbach, MD is a Pulmonary Disease in Boston, Massachusetts. Graduated from Harvard Medical School in 2008, 18 years ago. Practices with Brigham and Womens Physicians Organization Inc, a 2,916-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
18
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2008
Specialties on file
3
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

15 Francis St Center For Chest Diseases
Boston, MA 02115-6105
Phone: (617) 732-6770
Fax: (617) 582-6102
Show map & directions

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

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 250616 (MA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 250616 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 250616 (MA)

Record details

NPI number1376717348
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 21, 2008
Last updated in NPPESApril 14, 2013

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2008 (18 years in practice)
Group practice Brigham And Womens Physicians Organization Inc — 2916 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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