MRS. GRACE SUN DAUN NURSE PRACTITIONER
NPI 1699839415
Nurse Practitioner - Adult Health in San Jose, CA

Q: What is Grace Daun's NPI number?

The NPI number for Grace Daun is 1699839415. It was assigned to this individual provider in the NPPES registry on December 20, 2006.

Q: What is Grace Daun's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Q: When was this NPI record last updated?

The NPPES record for Grace Daun was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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 December 20, 2006

270 INTERNATIONAL CIR, SAN JOSE, CA 95119(408) 972-6527 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Mrs. Grace Sun Daun Nurse Practitioner NPPES

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

MRS. GRACE SUN DAUN NURSE PRACTITIONER (NPI 1699839415) is an individual adult health provider in San Jose, California, licensed in California (390394) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1699839415

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameMRS. GRACE SUN DAUNCredential: NURSE PRACTITIONER

Location Address270 INTERNATIONAL CIRSan Jose, CA 95119-1130

Mailing Address1032 Mount Carmel DrSan Jose, CA 95120-1924 · (408) 323-1316

Phone(408) 972-6527

Sole ProprietorNo

Enumeration DateDecember 20, 2006

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1699839415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in CA · 390394

Also ListedNurse PractitionerTaxonomy 363L00000X · License 390394 (CA)

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.

KATHERINE SUSAN CASTO PT

Physical Therapist

270 INTERNATIONAL CIR
SAN JOSE, CA 95119

Santa Clara County (408) 972-6400

LAUREN VICIK

Physical Therapist

270 INTERNATIONAL CIR
SAN JOSE, CA 95119

Santa Clara County (508) 423-1381

AARON ALLAN BOSEL

Physical Therapist

270 INTERNATIONAL CIR
SAN JOSE, CA 95119

Santa Clara County (408) 972-6400

MR. CALVIN WILLIAM LEUNG DPT

Physical Therapist

270 INTERNATIONAL CIR, 2 NORTH, FIRST FLOOR
SAN JOSE, CA 95119

Santa Clara County (408) 972-6400

MONA M LIU MD

Allergy & Immunology

270 INTERNATIONAL CIR
SAN JOSE, CA 95119

Santa Clara County (408) 890-0629

MRS. KATHERINE JEAN STARK M.P.T., ATC

Physical Therapist

270 INTERNATIONAL CIR
SAN JOSE, CA 95119

Santa Clara County (408) 972-6400

CHRISTINA MARIA LYONS

Pharmacist

270 INTERNATIONAL CIR
SAN JOSE, CA 95119

Santa Clara County (408) 972-5408

SHAMUN MOHAMMED

Speech-Language Pathologist

270 INTERNATIONAL CIR
SAN JOSE, CA 95119

Santa Clara County (408) 972-3000

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 Grace Daun's NPI number?

The NPI number for Grace Daun is 1699839415. It was assigned to this individual provider in the NPPES registry on December 20, 2006.

Where is Grace Daun located?

Grace Daun practices at 270 International Cir, San Jose, CA 95119. The listed phone number is (408) 972-6527.

What is Grace Daun's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

When was this NPI record last updated?

The NPPES record for Grace Daun was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.