1. Home
  2. Directory
  3. California
  4. Duarte
  5. Internal Medicine
  6. NPI Profile

DR. RAZMIK THOMASSIAN M.D.
NPI 1518351733
Internal Medicine in Duarte, CA

Active since March 25, 2015
1227 BUENA VISTA ST STE F, DUARTE, CA 91010(877) 254-4496 Get Directions Write a Review

NPPES record last updated: December 19, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 19, 2022, Sep 12, 2018 (2 updates tracked since 2018).

About Dr. Razmik Thomassian M.d. NPPES

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

DR. RAZMIK THOMASSIAN M.D. (NPI 1518351733) is an individual internal medicine provider in Duarte, California, licensed in California (A152242) and active in the NPI registry since March 2015.

NPPES Registry Identity

NPI1518351733
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. RAZMIK THOMASSIANCredential: M.D.
Location Address1227 BUENA VISTA ST STE FDuarte, CA 91010-2486
Mailing Address3746 Foothill Blvd # 506Glendale, CA 91214-1740 · (818) 473-0355 · Fax (818) 473-0015
Phone(877) 254-4496
Sole ProprietorNo
Enumeration DateMarch 25, 2015
Last NPPES UpdateDecember 19, 20222 updates tracked since enumeration
NPPES CertifiedDecember 19, 2022
✔ NPI 1518351733 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 · A152242
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.
1227 BUENA VISTA ST STE F, Duarte, CA 91010
Open in Google Maps ↗

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EXECUTIVE MEDICINE, INC.
Clinic/Center (Urgent Care)
1227 BUENA VISTA ST STE F
DUARTE, CA 91010
Los Angeles County (877) 254-4496
JENNIFER YANG PA-C
Physician Assistant
1227 BUENA VISTA ST STE F
DUARTE, CA 91010
Los Angeles County (877) 254-4496
RAZMIK THOMASSIAN MD APC
Clinic/Center
1227 BUENA VISTA ST STE F
DUARTE, CA 91010
Los Angeles County (877) 254-4496

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 Razmik Thomassian's NPI number?

The NPI number for Razmik Thomassian is 1518351733. It was assigned to this individual provider in the NPPES registry on March 25, 2015.

Where is Razmik Thomassian located?

Razmik Thomassian practices at 1227 Buena Vista St Ste F, Duarte, CA 91010. The listed phone number is (877) 254-4496.

What is Razmik Thomassian'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 Razmik Thomassian was last updated on December 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.