Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Fremont Anesthesia Associate, Pllc

Q: What is the NPI number for Fremont Anesthesia Associate, Pllc?

The NPI for Fremont Anesthesia Associate, Pllc is 1053508564, a Type 2 (organization) record in the CMS NPPES registry.

Certified Registered Nurse Anesthetist in Riverton, WY · enumerated 2007 · authorized official Matthew Mullinix, Managing Group Member.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1053508564

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)

Legal business name Fremont Anesthesia Associate, Pllc

Practice address 2100 W Sunset Dr, Riverton, WY, 82501

Phone (800) 967-1646

Fax (317) 567-2191

Enumeration date Sep 28, 2007

Last updated in NPPES Nov 25, 2009

Taxonomy & classification

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians Secondary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers Primary

Authorized official

Name Matthew Mullinix

Title Managing Group Member

Phone (307) 856-4161

Other identifiers

Identifier	Type	State	Issuer
DG4268	Other	WY	RAILROAD MEDICARE
1053508564	Medicaid	WY	-
06208001	Other	WY	BCBS

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 → Validate an NPI →

Frequently asked questions

What is the NPI number for Fremont Anesthesia Associate, Pllc?

The NPI for Fremont Anesthesia Associate, Pllc is 1053508564, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Fremont Anesthesia Associate, Pllc?

NPPES lists Matthew Mullinix (Managing Group Member) as the authorized official for this organization.

Providers at this address

Browse all →

Brooks Allison, MD PC Specialist · Riverton, WY NPI 1053374876 Archie Allison Specialist · Riverton, WY NPI 1144284506 Thomas L. Walsh, MD PC Specialist · Riverton, WY NPI 1740245695 Matthew Mullinix Certified Registered Nurse Anesthetist · Riverton, WY NPI 1063457893 Kari Sack Certified Registered Nurse Anesthetist · Riverton, WY NPI 1588609325 Ryan Wilcox Certified Registered Nurse Anesthetist · Riverton, WY NPI 1881630994 David Harker Surgery Physician · Riverton, WY NPI 1710996020 Riverton Memorial Hospital LLC Medicare Defined Swing Bed Hospital Unit · Riverton, WY NPI 1003902669

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-11-25.