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DR. THOMAS C GIANNULLI MS, MS
NPI 1861637027
Internal Medicine in Westlake Village, CA

Active since December 02, 2008
4195 E THOUSAND OAKS BLVD STE 135, WESTLAKE VILLAGE, CA 91362(805) 504-2813 Get Directions Write a Review

NPPES record last updated: December 2, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Thomas C Giannulli Ms, Ms NPPES

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

DR. THOMAS C GIANNULLI MS, MS (NPI 1861637027) is an individual internal medicine provider in Westlake Village, California, licensed in California (C52458) and active in the NPI registry since December 2008.

NPPES Registry Identity

NPI1861637027
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. THOMAS C GIANNULLICredential: MS, MS
Location Address4195 E THOUSAND OAKS BLVD STE 135Westlake Village, CA 91362-7233
Mailing Address4195 E Thousand Oaks Blvd Ste 135Westlake Village, CA 91362-7233 · (805) 504-2813
Phone(805) 504-2813
Sole ProprietorYes
Enumeration DateDecember 2, 2008
✔ NPI 1861637027 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · C52458
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.
4195 E THOUSAND OAKS BLVD STE 135, Westlake Village, CA 91362
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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 Thomas Giannulli's NPI number?

The NPI number for Thomas Giannulli is 1861637027. It was assigned to this individual provider in the NPPES registry on December 2, 2008.

Where is Thomas Giannulli located?

Thomas Giannulli practices at 4195 E Thousand Oaks Blvd Ste 135, Westlake Village, CA 91362. The listed phone number is (805) 504-2813.

What is Thomas Giannulli'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 Thomas Giannulli was last updated on December 2, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.