Dr. Mark Ryan Simmonds, D.C.

Dr. Mark Ryan Simmonds is a Chiropractor provider (Chiropractor) practicing in Lacey, WA, registered in the NPPES registry with NPI 1871886234 since 2011. The credential DC stands for Doctor of Chiropractic.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1871886234
Entity type	Individual (Type 1)
Name	Dr. Mark Ryan Simmonds
Credential	D.C.
Sex	Male
Practice address	Lacey, WA, 98516
Phone	3605150397
Enumeration date	2011-05-18
Last updated in NPPES	2026-01-13

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
111N00000X	Chiropractor	Primary	CH60225618	WA

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

Copy-ready billing details

Provider: Mark Simmonds, D.C.
NPI: 1871886234
Taxonomy: 111N00000X (Chiropractor)
Address: Lacey, WA, 98516

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1467335273	Body Essentials, LLC	Organization	Massage Therapist	Lacey, WA
1407705890	11:11 Bodyworks, LLC	Organization	Massage Therapist	Lacey, WA

Verify this record

Cross-check NPI 1871886234 against the authoritative CMS record: view Dr. Mark Ryan Simmonds 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 Mark Simmonds?

The National Provider Identifier (NPI) for Mark Simmonds is 1871886234, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Simmonds practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2026-01-13.