DR. STEPHEN COHEN M.D.
NPI 1225031586
Specialist in Santa Ana, CA
About Dr. Stephen Cohen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN COHEN M.D. (NPI 1225031586) is an individual specialist in Santa Ana, California, licensed in California (A45078) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Stephen Cohen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Stephen Cohen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Ana, CA 92705
- Reassigned Medicare billing, California enrollment
- 10 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 24
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.
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.
Reported Quality Measures
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA ANA, CA 92705
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 Stephen Cohen's NPI number?
The NPI number for Stephen Cohen is 1225031586. It was assigned to this individual provider in the NPPES registry on May 31, 2005.
Where is Stephen Cohen located?
Stephen Cohen practices at 700 N Tustin Ave, Santa Ana, CA 92705. The listed phone number is (714) 245-1444.
What is Stephen Cohen's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Stephen Cohen enrolled in Medicare?
Yes. Stephen Cohen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Stephen Cohen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Cohen reassigns Medicare benefits to Cardiology Specialists Of Orange County (Santa Ana, 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 Stephen Cohen'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 Stephen Cohen was last updated on May 6, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.