Samuel Johnson, MD
NPI 1891713186 · Specialist · Southfield, MI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Johnson, MD is a Specialist provider in Southfield, MI (NPI 1891713186).
Provider details
- NPI number
- 1891713186
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301051997 (MI)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
493 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) |
|---|---|---|
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 90 | $35 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 74 | $86 |
| Ct Scan of Chest With Contrast71260 | 59 | $54 |
| Limited Ultrasound Scan of Abdomen76705 | 55 | $27 |
| Complete Ultrasound Scan of Pelvis76856 | 37 | $32 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 35 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2007-12-05
Frequently asked questions
- What is Samuel Johnson's NPI number?
- Samuel Johnson's National Provider Identifier (NPI) is 1891713186, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Johnson's specialty?
- Samuel Johnson is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Samuel Johnson located?
- Samuel Johnson's practice location on file with NPPES is 24500 Northwestern Hwy, Southfield, MI 48075-2414.
- What is Samuel Johnson's phone number?
- The practice phone number listed in the NPPES registry for Samuel Johnson is (248) 353-1280.
- Does Samuel Johnson accept Medicare?
- Samuel Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Johnson's NPI active?
- Yes — Samuel Johnson's NPI (1891713186) is active in the NPPES registry as of the last update on 2007-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.