Physician Profile
Ira F. Fenton, DO is a healthcare provider in Libertyville, IL specializing in rheumatology. Ira trained at College of Osteopathic Physicians and Surgeons of Los Angeles, graduating in 1978. According to Medicare claims data, Ira cared for 2,687 Medicare patients across 159,663 services. The services billed most often include injection, 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), injection, romosozumab-aqqg, 1 mg, and injection, methylprednisolone acetate, 1 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1870 W WINCHESTER RD STE 112
Libertyville, IL 60048
Within Rheumatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Autoimmune
Bone
Bone Health
Connective Tissue
Genetic & Connective Tissue
Inflammatory
Joints
Nerve & Tendon
Skin & Soft Tissue
Skin & Vascular
Soft Tissue
Spine & Back
Vascular
Most searched procedures
Consultation
Consultations
Diagnostics & Injections
Education & Support
Imaging
Injections
Lab & Diagnostics
Lab Work
Medication Management
Pain Relief
Regenerative Medicine
159,663 services · 2,687 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
639 | More often than most peers in Rheumatology |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
509 | More than most peers in Rheumatology |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
68 | More often than most peers in Rheumatology |
| Injection into tendon at attachment to bone or muscle | Procedure | 20551 |
65 | More often than most peers in Rheumatology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
1,091 | More than most peers in Rheumatology |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
69 | More than most peers in Rheumatology |
| Injection, 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) | Drug given | J0717 |
97,000 | More often than most peers in Rheumatology |
| Injection, romosozumab-aqqg, 1 mg | Drug given | J3111 |
28,035 | More often than most peers in Rheumatology |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
23,560 | More than most peers in Rheumatology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
5,040 | As often as other peers in Rheumatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Fenton is a rheumatologist in Libertyville, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
Dr. Fenton is listed at 1870 W Winchester Rd Ste 112, Libertyville, IL 60048. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (847) 224-0165. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Fenton's National Provider Identifier is 1477551752. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Fenton attended College of Osteopathic Physicians and Surgeons of Los Angeles, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
Dr. Fenton has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Fenton performs procedures including insertion of needle into vein for collection of blood sample, aspiration and/or injection of fluid from large joint and aspiration and/or injection of fluid from small joint; provides treatments such as injection of drug or substance under skin or into muscle and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fenton. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.