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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.

DR. CLAIRE ELIZABETH DANIEL MD
NPI 1851928428
Internal Medicine in Diamond Bar, CA

Active since March 24, 2020
21015 PATHFINDER RD STE 110, DIAMOND BAR, CA 91765(916) 602-9801 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 7, 2026, Jan 3, 2024, Mar 24, 2020 (3 updates tracked since 2020).

About Dr. Claire Elizabeth Daniel Md NPPES

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

DR. CLAIRE ELIZABETH DANIEL MD (NPI 1851928428) is an individual internal medicine provider in Diamond Bar, California, licensed in California (A188369) and active in the NPI registry since March 2020.

NPPES Registry Identity

NPI1851928428
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. CLAIRE ELIZABETH DANIELCredential: MD
Location Address21015 PATHFINDER RD STE 110Diamond Bar, CA 91765-4020
Mailing Address21015 Pathfinder Rd Ste 110Diamond Bar, CA 91765-4020 · (916) 602-9801
Phone(916) 602-9801
Sole ProprietorNo
Enumeration DateMarch 24, 2020
Last NPPES UpdateJuly 7, 20263 updates tracked since enumeration
NPPES CertifiedJuly 7, 2026
✔ NPI 1851928428 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 · A188369
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.
21015 PATHFINDER RD STE 110, Diamond Bar, CA 91765
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Other Providers at the Same Location NPPES 4

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

MRS. CLEIDE KLASSEN LCSW93624
Social Worker (Clinical)
21015 PATHFINDER RD STE 110
DIAMOND BAR, CA 91765
Los Angeles County (559) 289-7056
MANISH MEHTA M.D.
Internal Medicine
21015 PATHFINDER RD STE 110
DIAMOND BAR, CA 91765
Los Angeles County (909) 979-3162
DR. SONA KHACHIKYAN PHD
Psychologist
21015 PATHFINDER RD STE 110
DIAMOND BAR, CA 91765
Los Angeles County (909) 552-2614
SARAH CATHERINE HUIZENGA MSW, LCSW
Social Worker
21015 PATHFINDER RD STE 110
DIAMOND BAR, CA 91765
Los Angeles County (657) 643-6731

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 Claire Daniel's NPI number?

The NPI number for Claire Daniel is 1851928428. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is Claire Daniel located?

Claire Daniel practices at 21015 Pathfinder Rd Ste 110, Diamond Bar, CA 91765. The listed phone number is (916) 602-9801.

What is Claire Daniel'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 Claire Daniel was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 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.