Rizwan Ahmed, D.O
NPI 1821353475 · Diagnostic Radiology Physician · Mchenry, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rizwan Ahmed, D.O is a Diagnostic Radiology Physician provider in Mchenry, IL (NPI 1821353475).
Provider details
- NPI number
- 1821353475
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- 125062371 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,452 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 417 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 314 | $40 |
| Ct Scan of Upper Spine Without Contrast72125 | 93 | $46 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 60 | $87 |
| Ct Scan of Chest Without Contrast71250 | 47 | $51 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 44 | $84 |
| X-Ray of Chest, 2 Views |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-07-10
- Last updated
- 2023-03-08
- Certified
- 2023-03-08
Frequently asked questions
- What is Rizwan Ahmed's NPI number?
- Rizwan Ahmed's National Provider Identifier (NPI) is 1821353475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rizwan Ahmed's specialty?
- Rizwan Ahmed is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Rizwan Ahmed located?
- Rizwan Ahmed's practice location on file with NPPES is 3929 Mercy Drive, Mchenry, IL 60050-3151.
- What is Rizwan Ahmed's phone number?
- The practice phone number listed in the NPPES registry for Rizwan Ahmed is (815) 759-0800.
- Does Rizwan Ahmed accept Medicare?
- Rizwan Ahmed is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rizwan Ahmed's NPI active?
- Yes — Rizwan Ahmed's NPI (1821353475) is active in the NPPES registry as of the last update on 2023-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.