STEPHEN ANDERSON M.D
NPI 1659554194
Emergency Medicine in Apple Valley, CA
About Stephen Anderson M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN ANDERSON M.D (NPI 1659554194) is an individual emergency medicine provider in Apple Valley, California, licensed in Florida (ME154012) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS, is affiliated with Ascension St Vincent's Riverside, and is a graduate of Loma Linda University School Of Medicine (2001).
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 and accepts Medicare assignment
Stephen Anderson 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
3Medicare enrollment records show Stephen Anderson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pensacola, FL 32507
- Reassigned Medicare billing, Florida enrollment
- 367 clinicians in this Medicare group
Jacksonville, FL 32207
- Reassigned Medicare billing, Florida enrollment
- 428 clinicians in this Medicare group
Winter Haven, FL 33881
- Reassigned Medicare billing, Florida enrollment
- 1,065 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 4
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St Vincent's Riverside
Acute Care Hospitals · Jacksonville, FLAscension St Vincent's Southside
Acute Care Hospitals · Jacksonville, FLAscension St Vincent's Clay County
Acute Care Hospitals · Middleburg, FLAscension St Vincent's St Johns County
Acute Care Hospitals · St Johns, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92307 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
APPLE VALLEY, CA 92307
APPLE VALLEY, CA 92307
APPLE VALLEY, CA 92307
APPLE VALLEY, CA 92307
APPLE VALLEY, CA 92307
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 Anderson's NPI number?
The NPI number for Stephen Anderson is 1659554194. It was assigned to this individual provider in the NPPES registry on December 6, 2007.
Where is Stephen Anderson located?
Stephen Anderson practices at 18300 Us Highway 18, Apple Valley, CA 92307. The listed phone number is (760) 242-2311.
What is Stephen Anderson's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Stephen Anderson enrolled in Medicare?
Yes. Stephen Anderson 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 Stephen Anderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Anderson reassigns Medicare benefits to 3 organizations: Cep America LLC (Pensacola, FL), Emergency Physicians Inc (Jacksonville, FL) and Paragon Emergency Services LLC (Winter Haven, FL). 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 Stephen Anderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephen Anderson affiliated with any hospitals?
According to CMS data, Stephen Anderson is affiliated with Ascension St Vincent's Riverside, Ascension St Vincent's Southside, Ascension St Vincent's Clay County and Ascension St Vincent's St Johns County.
When was this NPI record last updated?
The NPPES record for Stephen Anderson was last updated on June 22, 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.