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

GRACE LING SUN MD
NPI 1356071336
Internal Medicine in Sacramento, CA

Q: What is Grace Sun's NPI number?

The NPI number for Grace Sun is 1356071336. It was assigned to this individual provider in the NPPES registry on June 13, 2022.

Q: What is Grace Sun's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Grace Sun was last updated on August 4, 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.

Active since June 13, 2022

4501 X ST STE 3016, SACRAMENTO, CA 95817(916) 734-5959 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 4, 2026, Jul 28, 2026, Nov 9, 2025 and 1 more (4 updates tracked since 2025).

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About Grace Ling Sun Md NPPES

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

GRACE LING SUN MD (NPI 1356071336) is an individual internal medicine provider in Sacramento, California, licensed in California (A202313) and active in the NPI registry since June 2022.

NPPES Registry Identity

NPI1356071336

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameGRACE LING SUNCredential: MD

Location Address4501 X ST STE 3016Sacramento, CA 95817-2229

Mailing Address4501 X St Ste 3016Sacramento, CA 95817-2229 · (916) 734-5959

Phone(916) 734-5959

Sole ProprietorNo

Enumeration DateJune 13, 2022

Last NPPES UpdateAugust 4, 20264 updates tracked since enumeration

NPPES CertifiedAugust 4, 2026

✔ NPI 1356071336 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 · A202313

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.

4501 X ST STE 3016, Sacramento, CA 95817

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Other Providers at the Same Location NPPES 15

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

MICHAEL PATRICK OLVERA MD

Internal Medicine