Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

OT Tan, MD, PC

Organization Specialist · NPI 1114198306

OT Tan, MD, PC provides Specialist services in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2008.

Licensed in
MA
In the registry since
2008
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

29 Commonwealth Ave Ste #101
Boston, MA 02116-2349 Not confirmed with CMS for 18 years — call before visiting
Phone: (617) 424-8335
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 51655 (MA)

Record details

NPI number1114198306
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Oon Tan — Owner · (617) 424-8335
NPI enumeratedMarch 17, 2008
Last updated in NPPESMarch 17, 2008
Mailing address29 Commonwealth Ave, Suite #101, Boston, MA 02116-2349

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