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

Dr. Rajesh Roy Zacharias, MD

Individual provider Pulmonary Disease Physician · NPI 1952534364

Dr. Rajesh Roy Zacharias, MD is a Critical Care (Intensivists) in Boston, Massachusetts. Qualified in 2007, 19 years ago. Practices with Pratt Medical Group Inc, a 277-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
19
Licensed in
MA
In the registry since
2009
Specialties on file
2
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

800 Washington St
Boston, MA 02111-1552
Phone: (617) 636-5000
Fax: (617) 636-1465
Show map & directions

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

Additional practice locations (1)

  • 41 Mall Rd, Burlington, MA 01805-1552 — (781) 744-8000

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 283964 (MA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 283964 (MA)

Record details

NPI number1952534364
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 1, 2009
Last updated in NPPESOctober 27, 2022
Certification dateOctober 27, 2022

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesPULMONARY DISEASE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Pratt Medical Group Inc — 277 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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