MARK A FARTHING D.C.
NPI 1083639900
Chiropractor in Wilmington, DE
About Mark A Farthing D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK A FARTHING D.C. (NPI 1083639900) is an individual chiropractor in Wilmington, Delaware, licensed in Delaware (F10000649) and active in the NPI registry since July 2006. He is a graduate of Logan College Of Chiropractic (2006).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Mark A Farthing D.c. 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 Reassignment
Medicare enrollment records show Mark Farthing reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wilmington, DE 19810
- Reassigned Medicare billing, Delaware enrollment
- Medicare enrollment name: Rehabilitation Associates PA
- 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.
Areas of Expertise CMS Part B claims
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.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILMINGTON, DE 19810
WILMINGTON, DE 19810
WILMINGTON, DE 19810
WILMINGTON, DE 19810
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 Mark Farthing's NPI number?
The NPI number for Mark Farthing is 1083639900. It was assigned to this individual provider in the NPPES registry on July 13, 2006.
Where is Mark Farthing located?
Mark Farthing practices at 2006 Foulk Rd Ste B, Wilmington, DE 19810. The listed phone number is (302) 529-8783.
What is Mark Farthing's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Mark Farthing enrolled in Medicare?
Yes. Mark Farthing 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 organization bills Medicare for Mark Farthing's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Farthing reassigns Medicare benefits to Rehabilitation Associates, P.A. (Wilmington, DE). The 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 Mark Farthing's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Farthing accept?
Health plans from Highmark Blue Cross Blue Shield Delaware list Mark Farthing as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mark Farthing was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Mark A Farthing, D.C. · NPI 1083639900
Chiropractor provider in Wilmington, Delaware. Individual provider, active in the CMS NPPES registry since July 13, 2006.
## Identity
- **NPI:** 1083639900 (Entity type: Individual)
- **Enumerated:** July 13, 2006
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** F10000649 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 2006 FOULK RD, STE B, Wilmington, DE 19810-3644
- **Phone:** (302) 529-8783
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Rehabilitation Associates, P.A. (NPI 1679509160, Wilmington, DE), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Logan College Of Chiropractic, class of 2006
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1083639900) · Data from the CMS NPPES public registry.