Richard Izewski, MD
NPI 1306930177 · Internal Medicine Physician · Schaumburg, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Izewski, MD is a Internal Medicine Physician provider in Schaumburg, IL (NPI 1306930177).
Provider details
- NPI number
- 1306930177
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036085452 (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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
833 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 194 | $124 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 193 | $83 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 132 | $61 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 95 | $47 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 61 | $121 |
| Injection of Drug Or Substance Under Skin Or Into Muscle |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 108 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 303 | 85 |
| Lisinopril | 273 | 77 |
| Levothyroxine Sodium | 230 | 53 |
| Amlodipine Besylate | 208 | 59 |
| Metformin Hcl | 201 | 61 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 167 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$671 across 32 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
Additional practice locations (1)
- 800 Biesterfield Rd Ste 3007Elk Grove Village, IL 60007-3371Phone: (847) 301-1377Fax: (847) 301-1378
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2020-10-20
- Certified
- 2020-10-20
Frequently asked questions
- What is Richard Izewski's NPI number?
- Richard Izewski's National Provider Identifier (NPI) is 1306930177, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Izewski's specialty?
- Richard Izewski is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Izewski located?
- Richard Izewski's practice location on file with NPPES is 1094 S Roselle Rd, Schaumburg, IL 60193-3961.
- What is Richard Izewski's phone number?
- The practice phone number listed in the NPPES registry for Richard Izewski is (847) 301-1377.
- Does Richard Izewski accept Medicare?
- Richard Izewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Izewski's NPI active?
- Yes — Richard Izewski's NPI (1306930177) is active in the NPPES registry as of the last update on 2020-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.