Ira Fenton, DO
NPI 1477551752 · Rheumatology Physician · Libertyville, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ira Fenton, DO is a Rheumatology Physician provider in Libertyville, IL (NPI 1477551752).
Provider details
- NPI number
- 1477551752
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 36058893 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,934 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 1,091 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 639 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 580 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 561 | $93 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 509 | $59 |
| Red Blood Cell Sedimentation Rate, to Detect Inflammation, Non-Automated85651 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 152 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 542 | 179 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 391 | 55 |
| Celecoxib | 302 | 109 |
| Atorvastatin Calcium | 280 | 96 |
| Prednisone | 277 | 88 |
| Amlodipine Besylate | 271 | 92 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,519 across 206 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-12
- Last updated
- 2024-04-26
- Certified
- 2024-04-26
Frequently asked questions
- What is Ira Fenton's NPI number?
- Ira Fenton's National Provider Identifier (NPI) is 1477551752, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ira Fenton's specialty?
- Ira Fenton is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Ira Fenton located?
- Ira Fenton's practice location on file with NPPES is 1870 W Winchester Rd Ste 112, Libertyville, IL 60048-5365.
- What is Ira Fenton's phone number?
- The practice phone number listed in the NPPES registry for Ira Fenton is (847) 224-0165.
- Does Ira Fenton accept Medicare?
- Ira Fenton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ira Fenton's NPI active?
- Yes — Ira Fenton's NPI (1477551752) is active in the NPPES registry as of the last update on 2024-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.