DR. MICHAEL FENLON M.D.
NPI 1851779052
Transplant Surgery in Chicago, IL

Active since May 08, 2015PECOS EnrolledAccepts Medicare Assignment
225 EAST CHICAGO AVENUE, BOX#57, CHICAGO, IL 60611(312) 227-4646 Get Directions Write a Review

NPPES record last updated: December 5, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 5, 2025, Oct 10, 2024 (2 updates tracked since 2024).

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

NPI1851779052
Entity TypeIndividualMale
Primary Taxonomy204F00000X
Provider Legal NameDR. MICHAEL FENLONCredential: M.D.
Location Address225 EAST CHICAGO AVENUE, BOX#57Chicago, IL 60611
Mailing Address225 East Chicago Avenue, Box#57Chicago, IL 60611
Sole ProprietorYes
Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 2013
Enumeration DateMay 8, 2015
Last NPPES UpdateDecember 5, 20252 updates tracked since enumeration
NPPES CertifiedDecember 5, 2025
NPI 1851779052 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyTransplant SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code204F00000X
License Licensed in UT · 14158197-1235
Definition
A surgeon who specializes in transplant surgery. Source: National Uniform Claim Committee
Also ListedSurgeryTaxonomy 208600000X · License 135974 (CA)
Also ListedSurgery · Pediatric SurgeryTaxonomy 2086S0120X · License 036166547 (IL)
225 EAST CHICAGO AVENUE, Chicago, IL 60611

Secondary Practice Location 1

Location 11520 San Pablo St # 3400Los Angeles, CA 90033-5310 · Phone (323) 442-9064

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID7416203708
PECOS Enrollment IDI20241101001603
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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, UT
5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number460009
Location50 North Medical DriveSalt Lake City, UT 84132 · Salt Lake County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics (Pediatric Cardiology)
225 EAST CHICAGO AVENUE, BOX 21 LURIE CHILDREN'S HOSPITAL,
CHICAGO, IL 60611
Anesthesiology (Pediatric Anesthesiology)
225 EAST CHICAGO AVENUE, ANN & ROBERT H LURIE CHILDREN'S HOSPITAL OF CHICAGO
CHICAGO, IL 60611
Nurse Anesthetist, Certified Registered
225 EAST CHICAGO AVENUE, DEPARTMENT OF ANESTHESIA
CHICAGO, IL 60611
Pediatrics (Pediatric Cardiology)
225 EAST CHICAGO AVENUE
CHICAGO, IL 60611
Psychologist
225 EAST CHICAGO AVENUE, BOX 10
CHICAGO, IL 60611
Nurse Practitioner (Neonatal)
225 EAST CHICAGO AVENUE, LURIE CHILDRENS HOSPITAL 14TH FLOOR NICU
CHICAGO, IL 60611
Student in an Organized Health Care Education/Training Program
225 EAST CHICAGO AVENUE
CHICAGO, IL 60611
Pediatrics
225 EAST CHICAGO AVENUE, BOX #152
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.

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 7 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.