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

Individual provider Nephrology Physician · NPI 1992025274

Dr. Gearoid Michael McMahon, MBBCHBAO is a Nephrology in Boston, Massachusetts. Qualified in 1999, 27 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
27
Licensed in
MA
In the registry since
2010
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Practice location Address checks out

75 Francis St MRB4
Boston, MA 02115-6110
Phone: (617) 732-5500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 244817 (MA)

Record details

NPI number1992025274
Entity typeIndividual (Type 1)
GenderMale
Credentials MBBCHBAO
Sole proprietorNo
NPI enumeratedJune 9, 2010
Last updated in NPPESMay 5, 2021
Certification dateMay 5, 2021

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1999 (27 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

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