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JANE W CHIEN MD INC
NPI 1871004523
Internal Medicine in Los Gatos, CA

Active since October 21, 2017
14981 NATIONAL AVE STE 6, LOS GATOS, CA 95032(408) 358-1811 Get Directions Write a Review

NPPES record last updated: April 13, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 13, 2025, Oct 21, 2017 (2 updates tracked since 2017).

About Jane W Chien Md Inc NPPES

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

JANE W CHIEN MD INC (NPI 1871004523) is a healthcare organization registered as an internal medicine in Los Gatos, California and active in the NPI registry since October 2017. The organization lists Jane W Chien, Owner, as its authorized official.

NPPES Registry Identity

NPI1871004523
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameJANE W CHIEN MD INC
Location Address14981 NATIONAL AVE STE 6Los Gatos, CA 95032-2600
Mailing Address10669 Eloise CirLos Altos Hills, CA 94024-6505 · (650) 559-0401 · Fax (408) 913-2943
Phone(408) 358-1811
Organization SubpartNo
Authorized OfficialJane W ChienOwner · (650) 559-0401
Enumeration DateOctober 21, 2017
Last NPPES UpdateApril 13, 20252 updates tracked since enumeration
NPPES CertifiedApril 13, 2025
✔ NPI 1871004523 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 · A55106
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.
14981 NATIONAL AVE STE 6, Los Gatos, CA 95032
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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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jane W Chien Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Jane W Chien MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Jane Chien, MD
Internal Medicine
NPI 1588620785
14981 NATIONAL AVE STE 6
Los Gatos, CA 95032
(408) 358-1811
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Jane W Chien MD Inc's NPI number?

The NPI number for Jane W Chien MD Inc is 1871004523. It was assigned to this organization in the NPPES registry on October 21, 2017.

Where is Jane W Chien MD Inc located?

Jane W Chien MD Inc is located at 14981 National Ave Ste 6, Los Gatos, CA 95032. The listed phone number is (408) 358-1811.

What is Jane W Chien MD Inc's specialty?

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

Is Jane W Chien MD Inc enrolled in Medicare?

Yes. Jane W Chien MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Jane W Chien MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Jane W Chien MD Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Jane W Chien MD Inc was last updated on April 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.