DR. JAMES C JENG MD
NPI 1407847775
Surgery - Trauma Surgery in Orange, CA
About Dr. James C Jeng Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES C JENG MD (NPI 1407847775) is an individual trauma surgery provider in Orange, California, licensed in California (G172654) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Orange, and is a graduate of Columbia University College Of Physicians And Surgeons (1986).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Dr. James C Jeng 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
4Medicare enrollment records show James Jeng reassigns Medicare billing to 4 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
- 180 clinicians in this Medicare group
Glen Mills, PA 19342
- Reassigned Medicare billing, Pennsylvania enrollment
- 654 clinicians in this Medicare group
New York, NY 10019
- Reassigned Medicare billing, New York enrollment
- 346 clinicians in this Medicare group
Elmhurst, NY 11373
- Reassigned Medicare billing, New York enrollment
- 836 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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.
ORANGE, CA 92868
ORANGE, CA 92868
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 James Jeng's NPI number?
The NPI number for James Jeng is 1407847775. It was assigned to this individual provider in the NPPES registry on November 4, 2005.
Where is James Jeng located?
James Jeng practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 880-7812.
What is James Jeng's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Trauma Surgery, with taxonomy code 2086S0127X.
Is James Jeng enrolled in Medicare?
Yes. James Jeng 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 James Jeng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Jeng reassigns Medicare benefits to 4 organizations: University Surgeons Of Orange A Medical Group (Orange, CA), Prospect Health Access Network, Inc. (Glen Mills, PA), Icahn School Of Medicine At Mount Sinai (New York, NY) and Icahn School Of Medicine At Mount Sinai (Elmhurst, NY). 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 James Jeng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for James Jeng was last updated on February 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. James C Jeng, MD · NPI 1407847775
Trauma Surgery physician in Orange, California. Individual provider, active in the CMS NPPES registry since November 4, 2005.
## Identity
- **NPI:** 1407847775 (Entity type: Individual)
- **Enumerated:** November 4, 2005
- **Primary specialty:** Surgery - Trauma Surgery · taxonomy 2086S0127X
- **State license:** G172654 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 880-7812
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): University Surgeons Of Orange A Medical Group (NPI 1407806904, Orange, CA); Prospect Health Access Network, Inc. (NPI 1083061006, Glen Mills, PA); Icahn School Of Medicine At Mount Sinai (NPI 1740659424, New York, NY); Icahn School Of Medicine At Mount Sinai (NPI 1578817540, Elmhurst, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 1986
## Record status
- **NPPES last updated:** February 7, 2023
- **Other identifiers:** Other G172654 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1407847775) · Data from the CMS NPPES public registry.