DR. MARK ANDREW FENLON D.P.M.
NPI 1043341068
Podiatrist - Foot & Ankle Surgery in Palos Heights, IL

Q: What is Mark Fenlon's NPI number?

The NPI number for Mark Fenlon is 1043341068. It was assigned to this individual provider in the NPPES registry on March 8, 2007.

Q: What is Mark Fenlon's specialty?

The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.

Q: When was this NPI record last updated?

The NPPES record for Mark Fenlon was last updated on August 2, 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.

Active since March 08, 2007PECOS EnrolledAccepts Medicare Assignment

12620 S HARLEM AVE, PALOS HEIGHTS, IL 60463(708) 361-3338(708) 361-3748 Get Directions Write a Review

NPPES record last updated: August 2, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Mark Andrew Fenlon D.p.m. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK ANDREW FENLON D.P.M. (NPI 1043341068) is an individual foot & ankle surgery provider in Palos Heights, Illinois, licensed in Illinois (16-004799) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of William M. Scholl College Of Podiatric Medicine (1993).

NPPES Registry Identity

NPI1043341068

Entity TypeIndividualMale

Primary Taxonomy213ES0103X

Provider Legal NameDR. MARK ANDREW FENLONCredential: D.P.M.

Location Address12620 S HARLEM AVEPalos Heights, IL 60463-1428

Mailing Address12620 S Harlem AvePalos Heights, IL 60463-1428 · (708) 361-3338 · Fax (708) 361-3748

Phone(708) 361-3338

Fax(708) 361-3748

Sole ProprietorNo

Medical School CMSWilliam M. Scholl College Of Podiatric MedicineGraduated 1993

Enumeration DateMarch 8, 2007

Last NPPES UpdateAugust 2, 2024

NPPES CertifiedAugust 2, 2024

✔ NPI 1043341068 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPodiatrist · Foot & Ankle SurgeryPodiatric Medicine & Surgery Service Providers

Taxonomy Code213ES0103X

License✔ Licensed in IL · 16-004799

12620 S HARLEM AVE, Palos Heights, IL 60463

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Secondary Practice Locations 2

Location 1654 W Veterans Pkwy Ste DYorkville, IL 60560-2510 · Phone (630) 553-9300 · Fax (630) 553-9306

Location 21802 N Division St Ste 305Morris, IL 60450-1184 · Phone (815) 942-9050 · Fax (815) 942-9051

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. Mark Andrew Fenlon D.p.m. 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 ID7719957059

PECOS Enrollment IDI20040726001408

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.

Medicare Billing Reassignment

Medicare enrollment records show Mark Fenlon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Centers For Foot And Ankle Surgery

33 mi

Physical Therapist

654 W VETERANS PKWY STE C
Yorkville, IL 60560

Reassigned Medicare billing, Illinois enrollment
7 clinicians in this Medicare group

NPI 1316438799 (630) 553-9300

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of fingernails or toenails, 6 or more nails 11721

This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.

796 services379 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

163 services163 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

26 services20 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

15 services12 patients

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 Mark Fenlon's NPI number?

The NPI number for Mark Fenlon is 1043341068. It was assigned to this individual provider in the NPPES registry on March 8, 2007.

Where is Mark Fenlon located?

Mark Fenlon practices at 12620 S Harlem Ave, Palos Heights, IL 60463. The listed phone number is (708) 361-3338.

What is Mark Fenlon's specialty?

The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.

Is Mark Fenlon enrolled in Medicare?

Yes. Mark 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 organization bills Medicare for Mark Fenlon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Fenlon reassigns Medicare benefits to Centers For Foot And Ankle Surgery (Yorkville, IL). The 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 Mark Fenlon'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 Mark Fenlon was last updated on August 2, 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.