Doctor profile · Federal record

Dr. Eric Marks, DC

Chiropractor (CMS: Chiropractic) · Newark, DE

  • NPI 1295740942
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
550 Stanton Christiana RD, Suite 302
Newark, DE 197132198
(302) 365-5470
fax (302) 365-6167
Mailing address
907 Lee RD
Hockessin, DE 197072329

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 8, 2015
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Delaware #F1-000495

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295740942. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
293
Distinct HCPCS
2
Medicare allowed
$10,111
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 167 28 $40
98940 Chiropractic manipulative treatment, 1-2 spinal regions 126 17 $28

In context: peer comparison

Among 12 peers in this city , average services per provider: 478. This provider delivers 0.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Eric Marks's medical specialty?
Dr. Eric Marks practices Chiropractor in Newark, DE.
Where does Dr. Eric Marks practice?
Dr. Eric Marks practices at 550 Stanton Christiana RD, Newark, DE 197132198. Office phone: 3023655470.
What is Dr. Eric Marks's NPI?
Dr. Eric Marks's National Provider Identifier (NPI) is 1295740942, issued by NPPES.
Does Dr. Eric Marks accept Medicare assignment?
Yes. Dr. Eric Marks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eric Marks commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941); Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.