PACIFIC GASTROENTEROLOGY MEDICAL ASSOCIATES, INC.
NPI 1932232576
Internal Medicine - Gastroenterology in Mission Viejo, CA
About Pacific Gastroenterology Medical Associates, Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PACIFIC GASTROENTEROLOGY MEDICAL ASSOCIATES, INC. (NPI 1932232576) is a healthcare organization registered as a gastroenterology in Mission Viejo, California and active in the NPI registry since March 2007. The organization lists Om P Chaurasia, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Pacific Gastroenterology Medical Associates, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by January 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
16Medicare enrollment records show 16 clinicians reassign Medicare billing to Pacific Gastroenterology Medical Associates, Inc., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 4
Clinicians, nearest first (16)
Mission Viejo, CA 92691
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 Om P. Chaurasia, MD, Inc.'s NPI number?
The NPI number for Om P. Chaurasia, MD, Inc. is 1932232576. It was assigned to this organization in the NPPES registry on March 13, 2007. The provider is doing business as Pacific Gastroenterology Medical Associates, Inc..
Where is Om P. Chaurasia, MD, Inc. located?
Om P. Chaurasia, MD, Inc. is located at 26421 Crown Valley Pkwy Suite 140A, Mission Viejo, CA 92691. The listed phone number is (949) 365-8836.
What is Om P. Chaurasia, MD, Inc.'s specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Om P. Chaurasia, MD, Inc. enrolled in Medicare?
Yes. Om P. Chaurasia, MD, Inc. is registered in the Medicare PECOS enrollment system.
When is Om P. Chaurasia, MD, Inc.'s Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Om P. Chaurasia, MD, Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 16 clinicians in 4 Medicare specialties reassign their Medicare billing to Om P. Chaurasia, 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. The largest specialties are Certified Registered Nurse Anesthetist (CRNA) (11), Gastroenterology (2) and Pathology (2). Of these, 1 practice at this address and 3 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 Om P. Chaurasia, MD, Inc. was last updated on June 3, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Pacific Gastroenterology Medical Associates, Inc. · NPI 1932232576
Gastroenterology organization in Mission Viejo, California. Organization record, active in the CMS NPPES registry since March 13, 2007.
## Identity
- **NPI:** 1932232576 (Entity type: Organization)
- **Enumerated:** March 13, 2007
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Legal business name:** Om P. Chaurasia, Md, Inc.
- **Organization subpart:** No
- **Authorized official:** Om Chaurasia, PRESIDENT
## Practice location
- **Address:** 26421 CROWN VALLEY PKWY, SUITE 140A, Mission Viejo, CA 92691-8564
- **Phone:** (949) 365-8836 · **Fax:** (949) 365-8837
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 16 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Certified Registered Nurse Anesthetist (CRNA) (11), Gastroenterology (2), Pathology (2); 1 practice at this address and 3 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 3, 2015
- **Other identifiers:** Medicare PIN W14853 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1932232576) · Data from the CMS NPPES public registry.