YI ZHENG MD PC
NPI 1083280853
Internal Medicine - Gastroenterology in Walnut Creek, CA

Active since June 02, 2021
2121 YGNACIO VALLEY RD STE E105, WALNUT CREEK, CA 94598(925) 384-9276 Get Directions Write a Review

NPPES record last updated: June 2, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Yi Zheng Md Pc NPPES

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

YI ZHENG MD PC (NPI 1083280853) is a healthcare organization registered as a gastroenterology in Walnut Creek, California and active in the NPI registry since June 2021. The organization lists Yi Zheng, Md, as its authorized official.

NPPES Registry Identity

NPI1083280853
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameYI ZHENG MD PC
Location Address2121 YGNACIO VALLEY RD STE E105Walnut Creek, CA 94598-3340
Mailing Address2121 Ygnacio Valley Rd Ste E105Walnut Creek, CA 94598-3340 · (415) 828-7915
Organization SubpartNo
Authorized OfficialYi ZhengMd · (415) 828-7915
Enumeration DateJune 2, 2021
NPPES CertifiedJune 2, 2021
✔ NPI 1083280853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
2121 YGNACIO VALLEY RD STE E105, Walnut Creek, CA 94598

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)

Yi Zheng Md Pc 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 Yi Zheng MD PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Gastroenterology
NPI 1851622427
2021 YGNACIO VALLEY RD STE E105
Walnut Creek, CA 94598
(925) 384-9276
✔ PECOS✔ Accepts Medicare0.1 mi

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 Yi Zheng MD PC's NPI number?

The NPI number for Yi Zheng MD PC is 1083280853. It was assigned to this organization in the NPPES registry on June 2, 2021.

Where is Yi Zheng MD PC located?

Yi Zheng MD PC is located at 2121 Ygnacio Valley Rd Ste E105, Walnut Creek, CA 94598. The listed phone number is (925) 384-9276.

What is Yi Zheng MD PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Yi Zheng MD PC enrolled in Medicare?

Yes. Yi Zheng MD PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Yi Zheng MD PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Yi Zheng MD PC. 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 Yi Zheng MD PC was last updated on June 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.