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

Dr. Mark C Poznansky, MDPHD

Individual provider Internal Medicine Physician · NPI 1265509889

Dr. Mark C Poznansky, MDPHD is an Infectious Disease in Boston, Massachusetts. Qualified in 1985, 41 years ago. Practices with The General Hospital Corporation, a 1,276-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
41
Licensed in
MA
In the registry since
2006
Specialties on file
2
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Practice location Partly verified

Some contact details are missing from the federal record.

Infectious Disease Associates 55 Fruit Street Cox 5
Boston, MA 02114-2696
Phone: (617) 726-3906
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 157686 (MA)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 157686 (MA)

Record details

NPI number1265509889
Entity typeIndividual (Type 1)
GenderMale
Credentials MDPHD
Sole proprietorNo
NPI enumeratedNovember 29, 2006
Last updated in NPPESOctober 29, 2007

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Group practice The General Hospital Corporation — 1276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Boston