CLAYSON LONGVIEW HEALTH
NPI 1275400681
Internal Medicine in San Francisco, CA

Q: What is Clayson Longview Health's NPI number?

The NPI number for Clayson Longview Health is 1275400681. It was assigned to this organization in the NPPES registry on October 21, 2025.

Q: What is Clayson Longview Health's specialty?

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

Active since October 21, 2025

1575 7TH AVE, SAN FRANCISCO, CA 94122(702) 453-3799(702) 453-5741 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Clayson Longview Health NPPES

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

CLAYSON LONGVIEW HEALTH (NPI 1275400681) is a healthcare organization registered as an internal medicine in San Francisco, California and active in the NPI registry since October 2025. The organization lists Darby Clayson, President, as its authorized official.

NPPES Registry Identity

NPI1275400681

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameCLAYSON LONGVIEW HEALTH

Location Address1575 7TH AVESan Francisco, CA 94122-3704

Mailing AddressPo Box 31085San Francisco, CA 94131-0085 · (702) 218-2690

Phone(702) 453-3799

Fax(702) 453-5741

Organization SubpartNo

Authorized OfficialDarby ClaysonPresident · (702) 218-2690

Enumeration DateOctober 21, 2025

Last NPPES UpdateMarch 5, 2026

NPPES CertifiedMarch 5, 2026

✔ NPI 1275400681 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

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.

1575 7TH AVE, San Francisco, CA 94122

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 17

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

JOANNA GILBERT OTR/L

Occupational Therapist