Justin Gross, MD
NPI 1558676817 · Diagnostic Radiology Physician · Harvey, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Gross, MD is a Diagnostic Radiology Physician provider in Harvey, IL (NPI 1558676817).
Provider details
- NPI number
- 1558676817
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 335607 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
740 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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 284 | $37 |
| Ct Scan of Upper Spine Without Contrast72125 | 87 | $44 |
| Mri Scan of Brain Before and After Contrast70553 | 62 | $103 |
| Mri Scan of Brain Without Contrast70551 | 53 | $66 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 50 | $73 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 47 | $78 |
Practice location
Mailing address
Additional practice locations (3)
- 4800 Maine StQuincy, IL 62305-5875Phone: (217) 223-8400Fax: (217) 277-3960
- 927 Broadway StQuincy, IL 62301-2719Phone: (217) 223-8400Fax: (217) 277-3960
- 100 Medical DrHannibal, MO 63401-6877Phone: (217) 223-8400Fax: (217) 277-3960
Registry dates
- Enumerated
- 2010-08-11
- Last updated
- 2026-02-26
- Certified
- 2026-02-26
Frequently asked questions
- What is Justin Gross's NPI number?
- Justin Gross's National Provider Identifier (NPI) is 1558676817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Gross's specialty?
- Justin Gross is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Gross located?
- Justin Gross's practice location on file with NPPES is 71 W 156th St Ste 110, Harvey, IL 60426-4267.
- What is Justin Gross's phone number?
- The practice phone number listed in the NPPES registry for Justin Gross is (618) 319-5700.
- Does Justin Gross accept Medicare?
- Justin Gross is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Gross's NPI active?
- Yes — Justin Gross's NPI (1558676817) is active in the NPPES registry as of the last update on 2026-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.