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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

FREDERICK LEE
NPI 1295710473
Internal Medicine in Boston, MA

Active since December 11, 2005
50 COMMONWEALTH AVE, APT 601, BOSTON, MA 02116(617) 308-3804 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Frederick Lee NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

FREDERICK LEE (NPI 1295710473) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (153685) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1295710473
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameFREDERICK LEE
Location Address50 COMMONWEALTH AVE, APT 601Boston, MA 02116-3025
Mailing Address50 Commonwealth Ave, Apt 601Boston, MA 02116-3025
Phone(617) 308-3804
Sole ProprietorNo
Enumeration DateDecember 11, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1295710473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 153685
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License 153685 (MA)
50 COMMONWEALTH AVE, Boston, MA 02116
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Other Identifiers 1

Medicaid3199282MA

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Frederick Lee's NPI number?

The NPI number for Frederick Lee is 1295710473. It was assigned to this individual provider in the NPPES registry on December 11, 2005.

Where is Frederick Lee located?

Frederick Lee practices at 50 Commonwealth Ave Apt 601, Boston, MA 02116. The listed phone number is (617) 308-3804.

What is Frederick Lee's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Frederick Lee was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.