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KENNETH P. JIANG MD, INC
NPI 1669691374
Internal Medicine - Infectious Disease in Hollister, CA

Active since April 24, 2007
890 SUNSET DR., SUITE A-2, HOLLISTER, CA 95023(831) 636-3116(831) 636-1204 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Kenneth P. Jiang Md, Inc NPPES

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

KENNETH P. JIANG MD, INC (NPI 1669691374), doing business as Cornerstone Health, is a healthcare organization registered as an infectious disease in Hollister, California and active in the NPI registry since April 2007. The organization lists Ray Seiji Kusumoto, President, as its authorized official.

NPPES Registry Identity

NPI1669691374
Entity TypeOrganization
Primary Taxonomy207RI0200X
Legal Business NameKENNETH P. JIANG MD, INC
Location Address890 SUNSET DR., SUITE A-2Hollister, CA 95023
Mailing Address1760 F Airline Hwy #193Hollister, CA 95023 · (831) 636-1204
Phone(831) 636-3116
Fax(831) 636-1204
Organization SubpartNo
Authorized OfficialRay Seiji KusumotoPresident · (831) 636-3116
Enumeration DateApril 24, 2007
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1669691374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · A65656
Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedInternal MedicineTaxonomy 207R00000X · License A66628 (CA)
890 SUNSET DR., Hollister, CA 95023
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Other Names 1

Doing Business AsCornerstone Health

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES

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

MEENU VAID M.D.
Internal Medicine (Infectious Disease)
890 SUNSET DR., BLDG A ST 2A
HOLLISTER, CA 95023
San Benito County (831) 635-9788

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 Kenneth P. Jiang MD, Inc's NPI number?

The NPI number for Kenneth P. Jiang MD, Inc is 1669691374. It was assigned to this organization in the NPPES registry on April 24, 2007. The provider is doing business as Cornerstone Health.

Where is Kenneth P. Jiang MD, Inc located?

Kenneth P. Jiang MD, Inc is located at 890 Sunset Dr. Suite A-2, Hollister, CA 95023. The listed phone number is (831) 636-3116.

What is Kenneth P. Jiang MD, Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

When was this NPI record last updated?

The NPPES record for Kenneth P. Jiang MD, Inc was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.