TIMOTHY H CHEN MD INC
NPI 1982261046
Internal Medicine - Gastroenterology in San Francisco, CA
About Timothy H Chen Md Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY H CHEN MD INC (NPI 1982261046) is a healthcare organization registered as a gastroenterology in San Francisco, California and active in the NPI registry since May 2019. The organization lists Timothy Chen, Physician Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Timothy H Chen 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 Timothy H Chen MD Inc, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Timothy H Chen MD Inc's NPI number?
The NPI number for Timothy H Chen MD Inc is 1982261046. It was assigned to this organization in the NPPES registry on May 23, 2019.
Where is Timothy H Chen MD Inc located?
Timothy H Chen MD Inc is located at 2100 Webster St Ste 115, San Francisco, CA 94115. The listed phone number is (415) 387-8800.
What is Timothy H Chen MD Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Timothy H Chen MD Inc enrolled in Medicare?
Yes. Timothy H Chen MD Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Timothy H Chen MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Timothy H Chen 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 Timothy H Chen MD Inc was last updated on February 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Timothy H Chen Md Inc · NPI 1982261046
Gastroenterology organization in San Francisco, California. Organization record, active in the CMS NPPES registry since May 23, 2019.
## Identity
- **NPI:** 1982261046 (Entity type: Organization)
- **Enumerated:** May 23, 2019
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Timothy Chen, PHYSICIAN OWNER
## Practice location
- **Address:** 2100 WEBSTER ST STE 115, San Francisco, CA 94115-2374
- **Phone:** (415) 387-8800 · **Fax:** (415) 387-5204
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Gastroenterology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 14, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1982261046) · Data from the CMS NPPES public registry.