JOHN W. ASHBY M.D.
NPI 1740229046
Physical Medicine & Rehabilitation in Wilmington, DE
About John W. Ashby M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN W. ASHBY M.D. (NPI 1740229046) is an individual physical medicine & rehabilitation provider in Wilmington, Delaware, licensed in Delaware (C1-0009237) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Wilmington, and is a graduate of Temple University School Of Medicine (1986).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John W. Ashby M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show John Ashby reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wilmington, DE 19802
- Reassigned Medicare billing, Delaware enrollment
- 5 clinicians in this Medicare group
Newark, DE 19713
- Reassigned Medicare billing, Delaware enrollment
- Medicare enrollment name: Diamond State Chiropractic, P.A.
- 6 clinicians in this Medicare group
Cherry Hill, NJ 08002
- Reassigned Medicare billing, New Jersey enrollment
- 16 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.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILMINGTON, DE 19806
WILMINGTON, DE 19806
WILMINGTON, DE 19806
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 John Ashby's NPI number?
The NPI number for John Ashby is 1740229046. It was assigned to this individual provider in the NPPES registry on June 5, 2006.
Where is John Ashby located?
John Ashby practices at 1600 Pennsylvania Ave Suite D, Wilmington, DE 19806. The listed phone number is (302) 439-3063.
What is John Ashby's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is John Ashby enrolled in Medicare?
Yes. John Ashby is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Ashby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Ashby reassigns Medicare benefits to 3 organizations: Nowcare LLC (Wilmington, DE), Diamond State Chiropractic PA (Newark, DE) and Regional Orthopedic Professional Association (Cherry Hill, NJ). 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 John Ashby'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 John Ashby was last updated on January 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.