Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DENISE H TAM M.D.
NPI 1578511580
Internal Medicine in Boston, MA

Q: What is Denise Tam's NPI number?

The NPI number for Denise Tam is 1578511580. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Q: What is Denise Tam's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Denise Tam was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 04, 2006

850 HARRISON AVE, BOSTON, MA 02118(617) 638-7970 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Denise H Tam M.d. NPPES

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

DENISE H TAM M.D. (NPI 1578511580) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (223758) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1578511580

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDENISE H TAMCredential: M.D.

Location Address850 HARRISON AVEBoston, MA 02118-4072

Mailing Address560 Harrison Ave, Suite 411Boston, MA 02118-2436

Phone(617) 638-7970

Sole ProprietorNo

Enumeration DateMay 4, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1578511580 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MA · 223758

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.

850 HARRISON AVE, Boston, MA 02118

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