MR. JAMES G JAKOWATZ MD
NPI 1649225384
Surgery - Surgical Oncology in Orange, CA
About Mr. James G Jakowatz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JAMES G JAKOWATZ MD (NPI 1649225384) is an individual surgical oncology provider in Orange, California, licensed in California (G49811) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Mr. James G Jakowatz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show James Jakowatz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 180 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92868 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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ORANGE, CA 92868
SOUTH ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
CITY TOWER, 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 Jakowatz's NPI number?
The NPI number for James Jakowatz is 1649225384. It was assigned to this individual provider in the NPPES registry on May 23, 2006.
Where is James Jakowatz located?
James Jakowatz practices at 101 The City Drive Bldg 56 Rt 81, Orange, CA 92868. The listed phone number is (714) 456-8171.
What is James Jakowatz's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is James Jakowatz enrolled in Medicare?
Yes. James Jakowatz is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for James Jakowatz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Jakowatz reassigns Medicare benefits to University Surgeons Of Orange A Medical Group (Orange, CA). The 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 Jakowatz'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 Jakowatz 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.