HAPPY CHAN
NPI 1740409218
Internal Medicine - Rheumatology in Davis, CA

Q: What is Happy Chan's NPI number?

The NPI number for Happy Chan is 1740409218. It was assigned to this individual provider in the NPPES registry on April 24, 2007.

Q: What is Happy Chan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Happy Chan was last updated on September 11, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since April 24, 2007

451 E HEALTH SCIENCES DRIVE GBSF SUITE 6510, DIVISION OF RHEUMATOLOGY, DAVIS, CA 95616(530) 752-2884 Get Directions Write a Review

NPPES record last updated: September 11, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Happy Chan NPPES

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

HAPPY CHAN (NPI 1740409218) is an individual rheumatology provider in Davis, California, licensed in California (20A8277) and active in the NPI registry since April 2007.

NPPES Registry Identity

NPI1740409218

Entity TypeIndividualFemale

Primary Taxonomy207RR0500X

Provider Legal NameHAPPY CHAN

Location Address451 E HEALTH SCIENCES DRIVE GBSF SUITE 6510, DIVISION OF RHEUMATOLOGYDavis, CA 95616

Mailing Address451 E Health Sciences Drive Gbsf Suite 6510, Division Of RheumatologyDavis, CA 95616

Phone(530) 752-2884

Sole ProprietorNo

Enumeration DateApril 24, 2007

Last NPPES UpdateSeptember 11, 2011

✔ NPI 1740409218 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in CA · 20A8277

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

451 E HEALTH SCIENCES DRIVE GBSF SUITE 6510, Davis, CA 95616

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Other Identifiers 1

Medicare PIN020A82771CA

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 Happy Chan's NPI number?

The NPI number for Happy Chan is 1740409218. It was assigned to this individual provider in the NPPES registry on April 24, 2007.

Where is Happy Chan located?

Happy Chan practices at 451 E Health Sciences Drive Gbsf Suite 6510 Division Of Rheumatology, Davis, CA 95616. The listed phone number is (530) 752-2884.

What is Happy Chan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

When was this NPI record last updated?

The NPPES record for Happy Chan was last updated on September 11, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.