Nasir Siddiqui, M.D.
NPI 1285925248 · Diagnostic Radiology Physician · Joliet, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nasir Siddiqui, M.D. is a Diagnostic Radiology Physician provider in Joliet, IL (NPI 1285925248).
Provider details
- NPI number
- 1285925248
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036127558 (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
15 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
2,481 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) |
|---|---|---|
| X-Ray of Chest, 2 Views71046 | 273 | $34 |
| Ct Scan of Chest Without Contrast71250 | 207 | $138 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 183 | $314 |
| Piflufolastat F-18, Diagnostic, 1 MillicurieA9595 | 127 | $651 |
| Ct Scan of Chest With Contrast71260 | 86 | $139 |
| Mri Scan of Pelvis Before and After Contrast72197 | 76 | $336 |
| Low Dose Ct Scan of Chest for Lung Cancer Screening |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$121 across 1 record (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
- 2011-04-26
- Last updated
- 2023-08-31
- Certified
- 2023-08-31
Frequently asked questions
- What is Nasir Siddiqui's NPI number?
- Nasir Siddiqui's National Provider Identifier (NPI) is 1285925248, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nasir Siddiqui's specialty?
- Nasir Siddiqui is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nasir Siddiqui located?
- Nasir Siddiqui's practice location on file with NPPES is 2100 Glenwood Ave, Joliet, IL 60435-5487.
- What is Nasir Siddiqui's phone number?
- The practice phone number listed in the NPPES registry for Nasir Siddiqui is (815) 999-3400.
- Does Nasir Siddiqui accept Medicare?
- Nasir Siddiqui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nasir Siddiqui's NPI active?
- Yes — Nasir Siddiqui's NPI (1285925248) is active in the NPPES registry as of the last update on 2023-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.