DR. AARON SPITZ M.D.
NPI 1164487674
Urology in Laguna Hills, CA
About Dr. Aaron Spitz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AARON SPITZ M.D. (NPI 1164487674) is an individual urology provider in Laguna Hills, California, licensed in California (G79034) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Js Weill Medical College, Cornell University (1992).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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. Aaron Spitz M.d. 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
2Medicare enrollment records show Aaron Spitz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 17 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 85 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 21
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92653 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
LAGUNA HILLS, CA 92653
LAGUNA HILLS, CA 92653
LAGUNA HILLS, CA 92653
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 Aaron Spitz's NPI number?
The NPI number for Aaron Spitz is 1164487674. It was assigned to this individual provider in the NPPES registry on April 18, 2006.
Where is Aaron Spitz located?
Aaron Spitz practices at 23961 Calle De La Magdalena Ste 500, Laguna Hills, CA 92653. The listed phone number is (949) 855-1101.
What is Aaron Spitz's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Aaron Spitz enrolled in Medicare?
Yes. Aaron Spitz 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 Aaron Spitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Spitz reassigns Medicare benefits to 2 organizations: Orange County Urology Associates, Inc. A Medical Group (Laguna Hills, CA) and Uci Department Of Urology (Orange, 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 Aaron Spitz'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 Aaron Spitz was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.