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

Gregory Baker

Individual provider Internal Medicine Physician · NPI 1255726667

Gregory Baker is a Cardiovascular Disease (Cardiology) in Boston, Massachusetts. Qualified in 2015, 11 years ago. Practices with Cardiology Physicians, LLC, a 46-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
11
Licensed in
MA
In the registry since
2015

Practice location Address checks out

801 Massachusetts Ave Crosstown 2
Boston, MA 02118-2605
Phone: (617) 414-7399
Fax: (617) 414-4676
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 274252 (MA)

Record details

NPI number1255726667
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedApril 2, 2015
Last updated in NPPESJune 5, 2018
Mailing address720 Harrison Ave, Dob 503, Boston, MA 02118-2371

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERVENTIONAL CARDIOLOGY
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Cardiology Physicians, Llc — 46 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

Other providers in Boston