Doctor profile · Federal record

Dr. Seth Mahan, P.A.-C

Orthopaedic Surgery Physician (CMS: Physician Assistant) · Wilmington, DE

  • NPI 1225282585
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1941 Limestone RD, Suite 101
Wilmington, DE 198085408
(302) 442-6365
fax (302) 633-3350

Credentials & registration

NPPES · NUCC
NPI registered
November 2008 — 18 yrs on file
Profile last updated
March 17, 2010
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Delaware #C5-0000644

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225282585. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
146
Distinct HCPCS
2
Medicare allowed
$27,606
HCPCS Description Services Patients Avg allowed
27447 Replacement of knee joint, both sides of knee 79 79 $188
27130 Replacement of thigh bone and hip joint with prosthesis 67 67 $190

In context: peer comparison

Among 12 peers in Wilmington Orthopaedic Surgery Physician, average services per provider: 147. This provider delivers 1.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Seth Mahan's medical specialty?
Dr. Seth Mahan practices Orthopaedic Surgery Physician in Wilmington, DE.
Where does Dr. Seth Mahan practice?
Dr. Seth Mahan practices at 1941 Limestone RD, Wilmington, DE 198085408. Office phone: 3024426365.
What is Dr. Seth Mahan's NPI?
Dr. Seth Mahan's National Provider Identifier (NPI) is 1225282585, issued by NPPES.
Does Dr. Seth Mahan accept Medicare assignment?
Yes. Dr. Seth Mahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Seth Mahan commonly perform?
Top Medicare-reported procedures in 2023: Replacement of knee joint, both sides of knee (HCPCS 27447); Replacement of thigh bone and hip joint with prosthesis (HCPCS 27130). Source: CMS Medicare Physician & Other Practitioners file.