Charles Friedl, D.O.
NPI 1003945320 · Family Medicine Physician · Lombard, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Friedl, D.O. is a Family Medicine Physician provider in Lombard, IL (NPI 1003945320).
Provider details
- NPI number
- 1003945320
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-116534 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,806 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 | 307 | $132 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 212 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 187 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 164 | $133 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 159 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 134 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 397 | 118 |
| Levothyroxine Sodium | 163 | 47 |
| Lisinopril | 151 | 44 |
| Metformin Hcl | 144 | 37 |
| Amlodipine Besylate | 143 | 41 |
| Losartan Potassium | 130 | 40 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$35 across 2 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
- 2007-03-04
- Last updated
- 2024-11-27
- Certified
- 2024-11-27
Frequently asked questions
- What is Charles Friedl's NPI number?
- Charles Friedl's National Provider Identifier (NPI) is 1003945320, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Friedl's specialty?
- Charles Friedl is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Friedl located?
- Charles Friedl's practice location on file with NPPES is 2050 S Finley Rd, Lombard, IL 60148-4837.
- What is Charles Friedl's phone number?
- The practice phone number listed in the NPPES registry for Charles Friedl is (630) 819-5600.
- Does Charles Friedl accept Medicare?
- Charles Friedl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Friedl's NPI active?
- Yes — Charles Friedl's NPI (1003945320) is active in the NPPES registry as of the last update on 2024-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.