Jonathan Alexander, M.D.
NPI 1245223098 · Diagnostic Radiology Physician · Skokie, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Alexander, M.D. is a Diagnostic Radiology Physician provider in Skokie, IL (NPI 1245223098).
Provider details
- NPI number
- 1245223098
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036080258 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
2,164 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) |
|---|---|---|
| Screening Mammography77067 | 358 | $36 |
| Screening 3d Breast Mammography77063 | 355 | $28 |
| X-Ray of Chest, 1 View71045 | 223 | $8 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 88 | $9 |
| X-Ray of Chest, 2 Views71046 | 80 | $11 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 74 | $86 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-26
- Last updated
- 2021-12-29
- Certified
- 2021-12-29
Frequently asked questions
- What is Jonathan Alexander's NPI number?
- Jonathan Alexander's National Provider Identifier (NPI) is 1245223098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Alexander's specialty?
- Jonathan Alexander is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Alexander located?
- Jonathan Alexander's practice location on file with NPPES is 9600 Gross Point Rd, Skokie, IL 60076-1214.
- What is Jonathan Alexander's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Alexander is (847) 933-6111.
- Does Jonathan Alexander accept Medicare?
- Jonathan Alexander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Alexander's NPI active?
- Yes — Jonathan Alexander's NPI (1245223098) is active in the NPPES registry as of the last update on 2021-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.