GASTRO CARE INSTITUTE
NPI 1326514746
Internal Medicine - Gastroenterology in Lancaster, CA
About Gastro Care Institute NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GASTRO CARE INSTITUTE (NPI 1326514746) is a healthcare organization registered as a gastroenterology in Lancaster, California and active in the NPI registry since October 2018. The organization lists Vivaik Tyagi, President, 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)
Gastro Care Institute is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
16Medicare enrollment records show 16 clinicians reassign Medicare billing to Gastro Care Institute, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 8 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 6
Clinicians, nearest first (16)
Sylmar, CA 91342
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 Gastro Care Institute's NPI number?
The NPI number for Gastro Care Institute is 1326514746. It was assigned to this organization in the NPPES registry on October 23, 2018.
Where is Gastro Care Institute located?
Gastro Care Institute is located at 1331 W Avenue J Ste 202, Lancaster, CA 93534. The listed phone number is (661) 529-7550.
What is Gastro Care Institute's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Gastro Care Institute enrolled in Medicare?
Yes. Gastro Care Institute is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Gastro Care Institute?
According to the CMS Revalidation Reassignment List (October 2026 release), 16 clinicians in 6 Medicare specialties reassign their Medicare billing to Gastro Care Institute. 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. The largest specialties are Gastroenterology (4), Nurse Practitioner (4) and Registered Dietitian or Nutrition Professional (4). Of these, 4 practice at this address and 8 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Gastro Care Institute was last updated on October 23, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Gastro Care Institute · NPI 1326514746
Gastroenterology organization in Lancaster, California. Organization record, active in the CMS NPPES registry since October 23, 2018.
## Identity
- **NPI:** 1326514746 (Entity type: Organization)
- **Enumerated:** October 23, 2018
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Vivaik Tyagi, PRESIDENT
## Practice location
- **Address:** 1331 W AVENUE J STE 202, Lancaster, CA 93534-2954
- **Phone:** (661) 529-7550 · **Fax:** (661) 529-7560
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 16 clinicians in 6 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Gastroenterology (4), Nurse Practitioner (4), Registered Dietitian or Nutrition Professional (4); 4 practice at this address and 8 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 23, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1326514746) · Data from the CMS NPPES public registry.