Sonia Ellisor Johnson, M.D.
NPI 1598736951 · Diagnostic Radiology Physician · Owings Mills, MD
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonia Ellisor Johnson, M.D. is a Diagnostic Radiology Physician provider in Owings Mills, MD (NPI 1598736951).
Provider details
- NPI number
- 1598736951
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D0061174 (MD)
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
3,342 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 | 623 | $8 |
| X-Ray of Chest, 2 Views71046 | 515 | $10 |
| Ct Scan Head Or Brain Without Contrast70450 | 258 | $40 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 187 | $35 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 135 | $27 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 126 | $38 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-01
- Last updated
- 2013-08-27
Frequently asked questions
- What is Sonia Ellisor Johnson's NPI number?
- Sonia Ellisor Johnson's National Provider Identifier (NPI) is 1598736951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonia Ellisor Johnson's specialty?
- Sonia Ellisor Johnson is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Sonia Ellisor Johnson located?
- Sonia Ellisor Johnson's practice location on file with NPPES is 21 Crossroads Dr, Owings Mills, MD 21117-5441.
- What is Sonia Ellisor Johnson's phone number?
- The practice phone number listed in the NPPES registry for Sonia Ellisor Johnson is (410) 356-8186.
- Does Sonia Ellisor Johnson accept Medicare?
- Sonia Ellisor Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonia Ellisor Johnson's NPI active?
- Yes — Sonia Ellisor Johnson's NPI (1598736951) is active in the NPPES registry as of the last update on 2013-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.