MICHAEL FENLON M.D. – NPI #1851779052
Transplant Surgery

A surgeon who specializes in transplant surgery.

MICHAEL FENLON is a transplant surgeon located in CHICAGO, IL. NPPES has assigned the NPI number 1851779052 to MICHAEL FENLON on May 08, 2015. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 204F00000X from the Health Care Provider Taxonomy code set, which is classified as Transplant Surgery.

The NPI profile was last updated on Dec 05, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for MICHAEL FENLON below.

NPI Profile for
MICHAEL FENLON

NPI Number
1851779052
Enumeration Date

(more than 11 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
MICHAEL FENLON
Credentials
M.D.
Primary location
225 EAST CHICAGO AVENUE
BOX#57
CHICAGO, IL 60611
Phone: (312) 227-4646 Fax:
1 Other location(s):
1520 San Pablo St # 3400
Los Angeles, CA 90033-5310
Phone: (323) 442-9064
Mailing address
Same as primary location
Sole Proprietor
Yes
Updated
Certification Date
Dec 05, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
204F00000X
- Transplant Surgery (Primary)
UT 14158197-1235
2086S0120X
- Surgery / Pediatric Surgery
IL 036166547
208600000X
- Surgery
CA 135974

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
Content Type
CSV
Affiliation
Y
Endpoint Location
50 N MEDICAL DR,
SALT LAKE CITY, UT 77025-1669

Additional Information

Education
UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE - Graduated 2013
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.