STEFAN RYAN ERICKSON
NPI 1104445915
Radiology - Diagnostic Radiology in Evanston, IL
About Stefan Ryan Erickson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEFAN RYAN ERICKSON (NPI 1104445915) is an individual diagnostic radiology provider in Evanston, Illinois, licensed in California (A188524) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of University Of Chicago, Pritzker School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Stefan Ryan Erickson 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 Stefan Erickson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sacramento, CA 95816
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Stockton, CA 95204
- Reassigned Medicare billing, California enrollment
- 110 clinicians in this Medicare group
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 96 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 60202 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.
EVANSTON, IL 60202
EVANSTON, IL 60202
EVANSTON, IL 60202
EVANSTON, IL 60202
EVANSTON, IL 60202
EVANSTON, IL 60202
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 Stefan Erickson's NPI number?
The NPI number for Stefan Erickson is 1104445915. It was assigned to this individual provider in the NPPES registry on April 11, 2020.
Where is Stefan Erickson located?
Stefan Erickson practices at 355 Ridge Ave, Evanston, IL 60202. The listed phone number is (847) 316-4000.
What is Stefan Erickson's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Stefan Erickson enrolled in Medicare?
Yes. Stefan Erickson 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 Stefan Erickson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stefan Erickson reassigns Medicare benefits to 3 organizations: Sutter Bay Medical Foundation (Sacramento, CA), Advanced Radiology And Interventional Associates Inc (Stockton, CA) and California Advanced Imaging Medical Associates Inc (San Francisco, 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 Stefan Erickson'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 Stefan Erickson was last updated on October 15, 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.
# Stefan Ryan Erickson · NPI 1104445915
Diagnostic Radiology physician in Evanston, Illinois. Individual provider, active in the CMS NPPES registry since April 11, 2020.
## Identity
- **NPI:** 1104445915 (Entity type: Individual)
- **Enumerated:** April 11, 2020
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** A188524 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 355 RIDGE AVE, Evanston, IL 60202-3328
- **Phone:** (847) 316-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Sutter Bay Medical Foundation (NPI 1003267196, Sacramento, CA); Advanced Radiology And Interventional Associates Inc (NPI 1669123626, Stockton, CA); California Advanced Imaging Medical Associates Inc (NPI 1881646909, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Chicago, Pritzker School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** October 15, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1104445915) · Data from the CMS NPPES public registry.