DR. MICHAEL FENLON M.D.
NPI 1851779052
Transplant Surgery in Chicago, IL
About Dr. Michael Fenlon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL FENLON M.D. (NPI 1851779052) is an individual transplant surgery provider in Chicago, Illinois, licensed in Utah (14158197-1235) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with University Of Utah Hospitals And Clinics, and maintains a secondary practice location in Los Angeles.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Dr. Michael Fenlon 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 Michael Fenlon reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Logan, UT 84341
- Reassigned Medicare billing, Utah enrollment
- 1,729 clinicians in this Medicare group
Sandy, UT 84092
- Reassigned Medicare billing, Utah enrollment
- 2,620 clinicians in this Medicare group
Sandy, UT 84092
- Reassigned Medicare billing, Utah enrollment
- 751 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.
University Of Utah Hospitals And Clinics
Acute Care Hospitals · Salt Lake City, UTOther Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
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 Fenlon's NPI number?
The NPI number for Michael Fenlon is 1851779052. It was assigned to this individual provider in the NPPES registry on May 8, 2015.
Where is Michael Fenlon located?
Michael Fenlon practices at 225 East Chicago Avenue Box#57, Chicago, IL 60611. The listed phone number is (312) 227-4646.
What is Michael Fenlon's specialty?
The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.
Is Michael Fenlon enrolled in Medicare?
Yes. Michael Fenlon 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 Michael Fenlon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Fenlon reassigns Medicare benefits to 3 organizations: Ihc Health Services Inc (Logan, UT), University Of Utah Adult Services (Sandy, UT) and University Of Utah Pediatric Services (Sandy, UT). 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 Fenlon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Fenlon accept?
Health plans from BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah and University of Utah Health Plans list Michael Fenlon 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 Michael Fenlon affiliated with any hospitals?
According to CMS data, Michael Fenlon is affiliated with University Of Utah Hospitals And Clinics.
When was this NPI record last updated?
The NPPES record for Michael Fenlon was last updated on December 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Michael Fenlon, M.D. · NPI 1851779052
Transplant Surgery physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since May 8, 2015.
## Identity
- **NPI:** 1851779052 (Entity type: Individual)
- **Enumerated:** May 8, 2015
- **Primary specialty:** Transplant Surgery · taxonomy 204F00000X
- **State license:** 14158197-1235 (Utah)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 225 EAST CHICAGO AVENUE, BOX#57, Chicago, IL 60611
- **Phone:** (312) 227-4646
## 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): Ihc Health Services Inc (NPI 1205963105, Logan, UT); University Of Utah Adult Services (NPI 1851904247, Sandy, UT); University Of Utah Pediatric Services (NPI 1386257152, Sandy, UT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 2013
## Record status
- **NPPES last updated:** December 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1851779052) · Data from the CMS NPPES public registry.