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

Frank J Twarog, MD, PHD

Individual provider Allergy Physician · NPI 1386676674

Frank J Twarog, MD, PHD is an Allergy Physician in Concord, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

86 Baker Avenue Ext Ste 304
Concord, MA 01742-2132
Phone: (978) 369-3567
Fax: (978) 369-5811
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy Physician (primary) Taxonomy 207KA0200X · Licence 34521 (MA)

Record details

NPI number1386676674
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESApril 3, 2019
Mailing address86 Baker Avenue Ext Ste 304, Concord, MA 01742-2132

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