IRA F FENTON (DO) – Rheumatology Physician, NPI 1477551752

IRA F FENTON (DO) is a healthcare provider. based in Libertyville, Illinois. specializing in INTERNAL MEDICINE. They hold the professional credentials DO. They hold a License No. 36058893 (IL). The NPI Number for IRA F FENTON (DO) is 1477551752

Main info

Male
Sole Proprietor
48 Years Of Experience
Accepts Medicare Assignment
Name
IRA F FENTON (DO)
NPI
1477551752
Phone
(847) 224-0165
Address
1870 W WINCHESTER RD STE 112
Enumeration Date
12 July 2005
Last Update Date
26 April 2024

Doctor Profile

Medical School Name
COLLEGE OF OSTEOPATHIC PHYSICIANS AND SURGEONS OF LOS ANGELES
Secondary Phone
8473677340
Graduation Year
1978 (48 years ago)
PAC ID
9931151156
Group Practice PAC ID
5597717710
Professional Enrollment ID
I20101102000836
Address ID
IL600485365LI1870XRDXX401
Telehealth
Yes

Contacts

Secure Messaging
ifenton235911@direct.myadvocateaurora.org
FHIR Endpoint
https://epicfhir.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

8,824 INTERNAL MEDICINE in IL

Provider Addresses for IRA F FENTON (DO)

  • 1870 W WINCHESTER RD STE 112

    LIBERTYVILLE, IL 600485365

    Phone: (847) 224-0165

    Fax: (847) 367-7345

    Type: Location

  • 565, Lakeview Parkway, Vernon Hills, Illinois, 60061, United States

    SUITE 116

    VERNON HILLS, IL 600611857

    Phone: (847) 367-7340

    Fax: (847) 367-7345

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 379 Open Payments records for all available years, with a total value of $13,125.

Total Amount is formed as General ($12,791) + Research ($333) + Ownership ($0) = $13,125.

Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Amgen Inc. ($3,263).

Total Amount

$13,125

General + Research + Ownership

Payments

379

Total payment records

General Amount

$12,791

General payments

Research Amount

$333

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-18

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-11-02

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20101102000836IInternal MedicineILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
J0717Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)84,60035$0
J3111Injection, romosozumab-aqqg, 1 mg11,34012$0
J0897Injection, denosumab, 1 mg5,28058$0
96372Injection of drug or substance under skin or into muscle874159$0
J1030Injection, methylprednisolone acetate, 40 mg797235$0
View full utilization report →

Insurance plans in this area (ZIP 60048)

Loading plans...

Provider's Procedures

IRA F FENTON (DO) performs procedures in INTERNAL MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEIL20610Aspiration and/or injection of large joint or joint capsule721243
INTERNAL MEDICINEIL81002Urinalysis, manual test7658
INTERNAL MEDICINEIL90670Pneumococcal vaccine for injection into muscle5252

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5597717710View full group profile
NameSpecialtyState
Internal Medicine, Cardiovascular Disease (Cardiology)IL
Nurse PractitionerIL

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Does IRA F FENTON (DO) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — IRA F FENTON (DO) uses 1477551752.
Can I rely on IRA F FENTON (DO) being an active provider?
As of the registry snapshot, IRA F FENTON (DO) is marked active.
What healthcare role does IRA F FENTON (DO) hold?
Scheduling teams often label IRA F FENTON (DO) under Rheumatology Physician. Clinical services aligned with this taxonomy classification.
Where is IRA F FENTON (DO) based?
IRA F FENTON (DO) is tied to Libertyville, Illinois in the data we show; additional addresses may exist on the full record.
Why does IRA F FENTON (DO) have multiple addresses?
4 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

Similar Providers

KENNETH R MARGULES (MD)

Internal Medicine Physician
755, South Milwaukee Avenue, Libertyville, Lake, Illinois, 60048, United States
NPI: 1063403145

DEERBROOK MEDICAL ASSOCIATES

Internal Medicine Physician
565, Lakeview Parkway, Vernon Hills, Illinois, 60061, United States
NPI: 1629181284

ALLIANCE PHYSICIANS GROUP LLC

Family Medicine Physician
1795 N BUTTERFIELD RD STE 203
NPI: 1518780006