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

KUAN-TUNG LIN MD
NPI 1447954334
Internal Medicine in San Francisco, CA

Q: What is Kuan-tung Lin's NPI number?

The NPI number for Kuan-tung Lin is 1447954334. It was assigned to this individual provider in the NPPES registry on March 27, 2023.

Q: What is Kuan-tung Lin'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 Kuan-tung Lin was last updated on August 21, 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 March 27, 2023

1520 STOCKTON ST, SAN FRANCISCO, CA 94133(415) 391-9686 Get Directions Write a Review

NPPES record last updated: August 21, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 21, 2026, Mar 27, 2023 (2 updates tracked since 2023).

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About Kuan-tung Lin Md NPPES

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

KUAN-TUNG LIN MD (NPI 1447954334) is an individual internal medicine provider in San Francisco, California, licensed in California (A204485) and active in the NPI registry since March 2023. He maintains 2 additional practice locations.

NPPES Registry Identity

NPI1447954334

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameKUAN-TUNG LINCredential: MD

Location Address1520 STOCKTON STSan Francisco, CA 94133-3354

Mailing Address2171 Junipero Serra Blvd Ste 700Daly City, CA 94014-1982 · (415) 391-9686

Phone(415) 391-9686

Sole ProprietorNo

Enumeration DateMarch 27, 2023

Last NPPES UpdateAugust 21, 20262 updates tracked since enumeration

NPPES CertifiedAugust 21, 2026

✔ NPI 1447954334 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 · A204485

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.

1520 STOCKTON ST, San Francisco, CA 94133

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Secondary Practice Locations 2

Location 11870 Lundy AveSan Jose, CA 95131-1826 · Phone (408) 573-9686

Location 235 Baywood AveSan Mateo, CA 94402-1516 · Phone (888) 500-1886

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.

MAI ABDELNABI MD

Internal Medicine (Rheumatology)