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

John Leso, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1972063006

John Leso, DO is a Cardiovascular Disease (Cardiology) in Brighton, Massachusetts. Qualified in 2019, 7 years ago. Works from 4 locations. Licensed in Massachusetts and New York.

Years since qualifying
7
Licensed in
MA, NY
In the registry since
2019
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

736 Cambridge St 2nd Fl Bldg C 7TH Fl
Brighton, MA 02135
Phone: (617) 789-2344
Fax: (617) 789-2975
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 830 Oak St, Brockton, MA 02301 — (508) 583-4440
  • 60 East St, Methuen, MA 01844 — (617) 789-2045
  • 1 Hospital Dr Dept Of, Columbia, MO 65212-1000 — (573) 884-6393

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X · Licence 64189 (NY)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 1027986 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 1027986 (MA)

Record details

NPI number1972063006
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 24, 2019
Last updated in NPPESMay 15, 2026
Certification dateMay 15, 2026
Mailing address960 Massachusetts Ave, Fl 2, Boston, MA 02118

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Accepts Medicare assignment Not indicated

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