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

ALAN HSIEH DO
NPI 1407600778
Internal Medicine in Santa Barbara, CA

Active since April 15, 2024
400 W PUEBLO ST, SANTA BARBARA, CA 93105(805) 682-7111 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2026, Mar 31, 2026, Apr 15, 2024 (3 updates tracked since 2024).

About Alan Hsieh Do NPPES

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

ALAN HSIEH DO (NPI 1407600778) is an individual internal medicine provider in Santa Barbara, California, licensed in California (5450) and active in the NPI registry since April 2024.

NPPES Registry Identity

NPI1407600778
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameALAN HSIEHCredential: DO
Location Address400 W PUEBLO STSanta Barbara, CA 93105-4353
Mailing Address400 W Pueblo StSanta Barbara, CA 93105-4353
Sole ProprietorYes
Enumeration DateApril 15, 2024
Last NPPES UpdateOctober 5, 20263 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1407600778 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 · 5450
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.
400 W PUEBLO ST, Santa Barbara, CA 93105

Other Providers at the Same Location NPPES 20

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

Pediatrics (Pediatric Infectious Diseases)
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Student in an Organized Health Care Education/Training Program
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Radiology (Diagnostic Radiology)
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Internal Medicine
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Emergency Medicine
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Student in an Organized Health Care Education/Training Program
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Student in an Organized Health Care Education/Training Program
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Pathology (Anatomic Pathology & Clinical Pathology)
400 W PUEBLO ST
SANTA BARBARA, CA 93105

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 Alan Hsieh's NPI number?

The NPI number for Alan Hsieh is 1407600778. It was assigned to this individual provider in the NPPES registry on April 15, 2024.

Where is Alan Hsieh located?

Alan Hsieh practices at 400 W Pueblo St, Santa Barbara, CA 93105. The listed phone number is (805) 682-7111.

What is Alan Hsieh'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 Alan Hsieh was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.