DR. JAMES A KAHN MD
NPI 1851822084
Anesthesiology in Orange, CA
About Dr. James A Kahn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES A KAHN MD (NPI 1851822084) is an individual anesthesiology provider in Orange, California, licensed in California (A170437) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and is a graduate of Rutgers New Jersey Medical School (2017).
NPPES Registry Identity
Specialties & Licenses
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 A Kahn 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 Kahn 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
- 420 clinicians in this Medicare group
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Long Beach, CA 90806
- Reassigned Medicare billing, California enrollment
- 107 clinicians in this Medicare group
Sacramento, CA 95817
- Reassigned Medicare billing, California enrollment
- 2,570 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 2
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 Kahn's NPI number?
The NPI number for James Kahn is 1851822084. It was assigned to this individual provider in the NPPES registry on March 21, 2017.
Where is James Kahn located?
James Kahn practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-2986.
What is James Kahn's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is James Kahn enrolled in Medicare?
Yes. James Kahn 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 Kahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Kahn reassigns Medicare benefits to 4 organizations: Regents Of The University Of (Orange, CA), Cep America - Anesthesia PC (Laguna Hills, CA), California Anesthesia Associates Medical Group, Inc. (Long Beach, CA) and Regents Of The Univ Of Ca (Sacramento, CA). 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 Kahn'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 Kahn was last updated on February 21, 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.