SIDNEY P. WALKER M.D.
NPI 1619930203
Radiology - Diagnostic Radiology in Miami, FL
About Sidney P. Walker M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIDNEY P. WALKER M.D. (NPI 1619930203) is an individual diagnostic radiology provider in Miami, Florida, licensed in Florida (ME159906) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sidney P. Walker M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Sidney Walker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Miami, FL 33136
- Reassigned Medicare billing, Florida enrollment
- 3,639 clinicians in this Medicare group
Miami, FL 33155
- Reassigned Medicare billing, Florida enrollment
- 24 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 31
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33136 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MIAMI, FL 33136
MIAMI, FL 33136
MIAMI, FL 33136
MIAMI, FL 33136
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sidney Walker's NPI number?
The NPI number for Sidney Walker is 1619930203. It was assigned to this individual provider in the NPPES registry on April 6, 2006.
Where is Sidney Walker located?
Sidney Walker practices at 1611 NW 12th Ave, Miami, FL 33136. The listed phone number is (305) 243-5512.
What is Sidney Walker's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Sidney Walker enrolled in Medicare?
Yes. Sidney Walker is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sidney Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sidney Walker reassigns Medicare benefits to 2 organizations: University Of Miami (Miami, FL) and Westchester General Hospital, Inc. (Miami, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sidney Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sidney Walker was last updated on May 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.