DR. ERIC C MARKS DC
NPI 1295740942
Chiropractor in Newark, DE
About Dr. Eric C Marks Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIC C MARKS DC (NPI 1295740942) is an individual chiropractor in Newark, Delaware, licensed in Delaware (F1-000495) and active in the NPI registry since July 2006. He is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Dr. Eric C Marks Dc 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
4Medicare enrollment records show Eric Marks reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newark, DE 19713
- Reassigned Medicare billing, Delaware enrollment
- 15 clinicians in this Medicare group
Wilmington, DE 19810
- Reassigned Medicare billing, Delaware enrollment
- 14 clinicians in this Medicare group
Smyrna, DE 19977
- Reassigned Medicare billing, Delaware enrollment
- 15 clinicians in this Medicare group
Dover, DE 19901
- Reassigned Medicare billing, Delaware enrollment
- 8 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEWARK, DE 19713
NEWARK, DE 19713
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 Eric Marks's NPI number?
The NPI number for Eric Marks is 1295740942. It was assigned to this individual provider in the NPPES registry on July 30, 2006.
Where is Eric Marks located?
Eric Marks practices at 550 Stanton Christiana Rd Suite 302, Newark, DE 19713. The listed phone number is (302) 365-5470.
What is Eric Marks's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Eric Marks enrolled in Medicare?
Yes. Eric Marks 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 Eric Marks's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Marks reassigns Medicare benefits to 4 organizations: Pure Wellness, LLC (Newark, DE), Pure Wellness Of Wilmington, LLC (Wilmington, DE), Pure Wellness Of Smyrna, LLC (Smyrna, DE) and Pure Wellness Of Camden, LLC (Dover, DE). 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 Eric Marks's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric Marks accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next and 2 other insurers list Eric Marks 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 Eric Marks was last updated on January 8, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Eric C Marks, DC · NPI 1295740942
Chiropractor provider in Newark, Delaware. Individual provider, active in the CMS NPPES registry since July 30, 2006.
## Identity
- **NPI:** 1295740942 (Entity type: Individual)
- **Enumerated:** July 30, 2006
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** F1-000495 (Delaware)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 550 STANTON CHRISTIANA RD, SUITE 302, Newark, DE 19713-2198
- **Phone:** (302) 365-5470 · **Fax:** (302) 365-6167
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Pure Wellness, LLC (NPI 1790938330, Newark, DE); Pure Wellness Of Wilmington, LLC (NPI 1770866378, Wilmington, DE); Pure Wellness Of Smyrna, LLC (NPI 1295060622, Smyrna, DE); Pure Wellness Of Camden, LLC (NPI 1386398352, Dover, DE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** January 8, 2015
- **Other identifiers:** Medicare UPIN B930T64 (DE); Other F1-0000495 (DE); Other 263498733 (DE); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1295740942) · Data from the CMS NPPES public registry.