KHOI M TRAN MD
NPI 1821076316
Internal Medicine - Gastroenterology in Costa Mesa, CA
About Khoi M Tran Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KHOI M TRAN MD (NPI 1821076316) is an individual gastroenterology provider in Costa Mesa, California, licensed in California (A54763) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Good Samaritan Regional Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Khoi M Tran Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Khoi Tran reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 525 clinicians in this Medicare group
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 clinicians in this Medicare group
Sweet Home, OR 97386
- Reassigned Medicare billing, Oregon enrollment
- 416 clinicians in this Medicare group
Corvallis, OR 97333
- Reassigned Medicare billing, Oregon enrollment
- 522 clinicians in this Medicare group
Albany, OR 97322
- Reassigned Medicare billing, Oregon enrollment
- 432 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Good Samaritan Regional Medical Center
Acute Care Hospitals · Corvallis, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92627 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COSTA MESA, CA 92627
COSTA MESA, CA 92627
COSTA MESA, CA 92627
COSTA MESA, CA 92627
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 Khoi Tran's NPI number?
The NPI number for Khoi Tran is 1821076316. It was assigned to this individual provider in the NPPES registry on January 4, 2006.
Where is Khoi Tran located?
Khoi Tran practices at 1640 Newport Blvd Ste 350, Costa Mesa, CA 92627. The listed phone number is (949) 386-5260.
What is Khoi Tran's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Khoi Tran enrolled in Medicare?
Yes. Khoi Tran is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Khoi Tran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Khoi Tran reassigns Medicare benefits to 6 organizations: Uc Regents (Orange, CA), Southern California Permanente Medical Group (Anaheim, CA), City Of Hope Medical Foundation (Duarte, CA), Mid-Valley Healthcare, Inc. (Sweet Home, OR), Good Samaritan Hospital Corvallis (Corvallis, OR) and 1 more organization, listed in the Medicare section above. Each 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 Khoi Tran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Khoi Tran accept?
Health plans from BridgeSpan Health Company and Regence BlueCross BlueShield of Oregon list Khoi Tran as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Khoi Tran affiliated with any hospitals?
According to CMS data, Khoi Tran is affiliated with Good Samaritan Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Khoi Tran was last updated on March 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Khoi M Tran, MD · NPI 1821076316
Gastroenterology physician in Costa Mesa, California. Individual provider, active in the CMS NPPES registry since January 4, 2006.
## Identity
- **NPI:** 1821076316 (Entity type: Individual)
- **Enumerated:** January 4, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** A54763 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1640 NEWPORT BLVD, STE 350, Costa Mesa, CA 92627-7745
- **Phone:** (949) 386-5260 · **Fax:** (949) 515-0031
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Uc Regents (NPI 1003864174, Orange, CA); Southern California Permanente Medical Group (NPI 1952333460, Anaheim, CA); City Of Hope Medical Foundation (NPI 1871886366, Duarte, CA); Mid-Valley Healthcare, Inc. (NPI 1528334125, Sweet Home, OR); Good Samaritan Hospital Corvallis (NPI 1376809475, Corvallis, OR); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 1990
## Record status
- **NPPES last updated:** March 21, 2025
- **Other identifiers:** Medicaid 288183 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1821076316) · Data from the CMS NPPES public registry.