Dr. Marcus Cory Steiner, D.C.

Dr. Marcus Cory Steiner is a Chiropractor provider (Chiropractor) practicing in Exeter, NH, registered in the NPPES registry with NPI 1326587528 since 2017. The credential DC stands for Doctor of Chiropractic.

✓ Active NPI ✓ Valid NPI checksum

NPI	1326587528
Entity type	Individual (Type 1)
Name	Dr. Marcus Cory Steiner
Credential	D.C.
Sex	Male
Practice address	2 KINGS WAY, UNIT A, Exeter, NH, 03833
Phone	5086314571
Enumeration date	2017-02-21
Last updated in NPPES	2017-02-21

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
111N00000X	Chiropractor	Primary	1000	NH

DC — Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

Copy-ready billing details

Provider: Marcus Steiner, D.C.
NPI: 1326587528
Taxonomy: 111N00000X (Chiropractor)
Address: 2 KINGS WAY, UNIT A, Exeter, NH, 03833

Verify this record

Cross-check NPI 1326587528 against the authoritative CMS record: view Dr. Marcus Cory Steiner on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Marcus Steiner?

The National Provider Identifier (NPI) for Marcus Steiner is 1326587528, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marcus Steiner practice?

The practice location on file with NPPES is in Exeter, NH. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2017-02-21.