Sidney Walker, M.D.
NPI 1619930203 · Diagnostic Radiology Physician · Miami, FL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sidney Walker, M.D. is a Diagnostic Radiology Physician provider in Miami, FL (NPI 1619930203).
Provider details
- NPI number
- 1619930203
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME159906 (FL)
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
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,474 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 Abdomen, 1 View74018 | 292 | $9 |
| Limited Ultrasound Scan of Joint Or Other Extremity Structure Except Blood Vessels76882 | 120 | $33 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 106 | $36 |
| Limited Ultrasound Scan of Joint Or Other Extremity Structure Except Blood Vessels76882 | 104 | $34 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 103 | $88 |
| Limited Ultrasound Scan of Abdomen76705 | 80 |
Practice location
Mailing address
Additional practice locations (3)
- 1475 Nw 12th AveMiami, FL 33136-1002Phone: (305) 243-5512Fax: (305) 243-4613
- 900 Nw 17th St Rm 65Miami, FL 33136-1119Phone: (305) 243-5512
- 1400 Nw 12th AveMiami, FL 33136-1003Phone: (305) 243-5512
Registry dates
- Enumerated
- 2006-04-06
- Last updated
- 2023-05-16
- Certified
- 2023-05-16
Frequently asked questions
- What is Sidney Walker's NPI number?
- Sidney Walker's National Provider Identifier (NPI) is 1619930203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sidney Walker's specialty?
- Sidney Walker is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Sidney Walker located?
- Sidney Walker's practice location on file with NPPES is 1611 Nw 12th Ave, Miami, FL 33136-1005.
- What is Sidney Walker's phone number?
- The practice phone number listed in the NPPES registry for Sidney Walker is (305) 243-5512.
- Does Sidney Walker accept Medicare?
- Sidney Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sidney Walker's NPI active?
- Yes — Sidney Walker's NPI (1619930203) is active in the NPPES registry as of the last update on 2023-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.