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

David a Bailen MD PC

Organization Internal Medicine Physician · NPI 1861606642

David a Bailen MD PC is an Internal Medicine Physician in Boston, Massachusetts. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

720 Harrison Ave Ste 506
Boston, MA 02118-2371
Phone: (617) 638-8134
Fax: (617) 638-8115
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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

Record details

NPI number1861606642
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official David Bailen — Chairman · (617) 267-4520
NPI enumeratedMay 10, 2007
Last updated in NPPESNovember 9, 2010
Mailing address720 Harrison Ave, Suite 506, Boston, MA 02118-2371

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