MICHAEL C STEPHEN MD
NPI 1629006598
Emergency Medicine in Lynwood, CA
About Michael C Stephen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL C STEPHEN MD (NPI 1629006598) is an individual emergency medicine provider in Lynwood, California, licensed in California (G75813) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Michael C Stephen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Michael Stephen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lynwood, CA 90262
- Reassigned Medicare billing, California enrollment
- 1,204 clinicians in this Medicare group
Irvine, CA 92618
- Reassigned Medicare billing, California enrollment
- 684 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 90262 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LYNWOOD, CA 90262
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 Michael Stephen's NPI number?
The NPI number for Michael Stephen is 1629006598. It was assigned to this individual provider in the NPPES registry on June 29, 2006.
Where is Michael Stephen located?
Michael Stephen practices at 3630 East Imperial Highway, Lynwood, CA 90262. The listed phone number is (310) 900-8900.
What is Michael Stephen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Michael Stephen enrolled in Medicare?
Yes. Michael Stephen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Michael Stephen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Stephen reassigns Medicare benefits to 2 organizations: Cep America - California (Lynwood, CA) and Providence Facey Medical Foundation (Irvine, 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 Michael Stephen'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 Michael Stephen was last updated on April 16, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Michael C Stephen, MD · NPI 1629006598
Emergency Medicine physician in Lynwood, California. Individual provider, active in the CMS NPPES registry since June 29, 2006.
## Identity
- **NPI:** 1629006598 (Entity type: Individual)
- **Enumerated:** June 29, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** G75813 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3630 EAST IMPERIAL HIGHWAY, Lynwood, CA 90262-2678
- **Phone:** (310) 900-8900
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Cep America - California (NPI 1932596848, Lynwood, CA); Providence Facey Medical Foundation (NPI 1891348447, Irvine, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 16, 2008
- **Other identifiers:** Medicare UPIN F71415; Medicare PIN WG75813G (CA); Medicaid 00G758130 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1629006598) · Data from the CMS NPPES public registry.