SULLIVAN ARMANDO AYUSO MD
NPI 1194220921
Surgery in Evanston, IL
About Sullivan Armando Ayuso Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SULLIVAN ARMANDO AYUSO MD (NPI 1194220921) is an individual surgery provider in Evanston, Illinois, licensed in Illinois (036169491) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Dell Seton Med Center At The University Of Tx, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2018).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Sullivan Armando Ayuso Md 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
4Medicare enrollment records show Sullivan Ayuso reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Mansfield, TX 76063
- Reassigned Medicare billing, Texas enrollment
- 127 clinicians in this Medicare group
Austin, TX 78712
- Reassigned Medicare billing, Texas enrollment
- 294 clinicians in this Medicare group
Austin, TX 78712
- Reassigned Medicare billing, Texas enrollment
- 208 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Dell Seton Med Center At The University Of Tx
Acute Care Hospitals · Austin, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60201 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 60201
EVANSTON, IL 60201
EVANSTON, IL 60201
EVANSTON, IL 60201
EVANSTON, IL 60201
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 Sullivan Ayuso's NPI number?
The NPI number for Sullivan Ayuso is 1194220921. It was assigned to this individual provider in the NPPES registry on March 25, 2018.
Where is Sullivan Ayuso located?
Sullivan Ayuso practices at 2650 Ridge Ave. Walgreen 2507, Evanston, IL 60201. The listed phone number is (847) 570-2560.
What is Sullivan Ayuso's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Sullivan Ayuso enrolled in Medicare?
Yes. Sullivan Ayuso 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 Sullivan Ayuso's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sullivan Ayuso reassigns Medicare benefits to 4 organizations: Endeavor Health Medical Group (Evanston, IL), Arlington Physician Services PA (Mansfield, TX), The University Of Texas At Austin (Austin, TX) and University Of Texas At Austin Dell Medical School (Austin, TX). 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 Sullivan Ayuso's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sullivan Ayuso accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Sullivan Ayuso as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Sullivan Ayuso affiliated with any hospitals?
According to CMS data, Sullivan Ayuso is affiliated with Dell Seton Med Center At The University Of Tx.
When was this NPI record last updated?
The NPPES record for Sullivan Ayuso was last updated on July 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Sullivan Armando Ayuso, MD · NPI 1194220921
Surgery physician in Evanston, Illinois. Individual provider, active in the CMS NPPES registry since March 25, 2018.
## Identity
- **NPI:** 1194220921 (Entity type: Individual)
- **Enumerated:** March 25, 2018
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 036169491 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2650 RIDGE AVE., WALGREEN 2507, Evanston, IL 60201-1718
- **Phone:** (847) 570-2560 · **Fax:** (847) 570-2930
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Endeavor Health Medical Group (NPI 1265695944, Evanston, IL); Arlington Physician Services PA (NPI 1093144610, Mansfield, TX); The University Of Texas At Austin (NPI 1073032546, Austin, TX); University Of Texas At Austin Dell Medical School (NPI 1073066239, Austin, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2018
## Record status
- **NPPES last updated:** July 15, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1194220921) · Data from the CMS NPPES public registry.