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SURGICAL ASSOCIATES, PC
NPI 1811074420
Specialist in Billings, MT

Active since November 01, 2006
2900 12TH AVE N, SUITE 355W, BILLINGS, MT 59101(406) 238-6470(406) 238-6499 Get Directions Write a Review

NPPES record last updated: December 15, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Surgical Associates, Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SURGICAL ASSOCIATES, PC (NPI 1811074420) is a healthcare organization registered as a specialist in Billings, Montana and active in the NPI registry since November 2006. The organization lists Dennis W Maier, President, as its authorized official.

NPPES Registry Identity

NPI1811074420
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameSURGICAL ASSOCIATES, PC
Location Address2900 12TH AVE N, SUITE 355WBillings, MT 59101-7506
Mailing Address2900 12th Ave N, Suite 355wBillings, MT 59101-7506 · (406) 238-6470 · Fax (406) 238-6499
Phone(406) 238-6470
Fax(406) 238-6499
Organization SubpartNo
Authorized OfficialDennis W MaierPresident · (406) 238-6470
Enumeration DateNovember 1, 2006
Last NPPES UpdateDecember 15, 2014
✔ NPI 1811074420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
2900 12TH AVE N, Billings, MT 59101
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Surgical Associates, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

10

Medicare enrollment records show 10 clinicians reassign Medicare billing to Surgical Associates, PC, which bills Medicare for the services they deliver. Of these, 8 practice at this address. They are listed nearest first.

Clinicians by Medicare Specialty 2

General Surgery9
General Practice1

Clinicians, nearest first (10)

George Bentzel, MD
General Surgery
NPI 1689699621
2900 12TH AVE N SUITE 355W
Billings, MT 59101
(406) 238-6470
✔ PECOS✔ Accepts MedicareSame address
Dennis Maier, MD
General Surgery
NPI 1497787725
2900 12TH AVE N SUITE 320W
Billings, MT 59101
(406) 238-6470
✔ PECOS✔ Accepts MedicareSame address
Barry Mckenzie, M.D.
General Surgery
NPI 1437367513
2900 12TH AVE N SUITE 355 WEST
Billings, MT 59101
(406) 238-6470
✔ PECOS✔ Accepts MedicareSame address
Rachel Ott, M.D.
General Surgery
NPI 1811214430
2900 12TH AVE N STE 355W
Billings, MT 59101
(406) 238-6470
✔ PECOS✔ Accepts MedicareSame address
Michael Wilcox, M.D.
General Surgery
NPI 1689618803
2900 12TH AVE N SUITE 355W
Billings, MT 59101
(406) 238-6470
✔ PECOS✔ Accepts MedicareSame address
Eric Dringman, MD
General Surgery
NPI 1245262583
2900 12TH AVE N SUITE 355W
Billings, MT 59101
(406) 238-6470
✔ PECOS✔ Accepts MedicareSame address
Kathryn Hatch, MD
General Practice
NPI 1275558215
2900 12TH AVE N SUITE 355W
Billings, MT 59101
(406) 238-6470
✔ PECOS✔ Accepts MedicareSame address
Carson Walker, MD
General Surgery
NPI 1104453299
2900 12TH AVE N STE 355W
Billings, MT 59101
(406) 238-6470
✔ PECOS✔ Accepts MedicareSame address
Justin Brewer
General Surgery
NPI 1417416298
5333 MCAULEY DRIVE SUITE 2115
Ypsilanti, MI 48197
(734) 712-3971
✔ PECOS✔ Accepts Medicare1,257 mi
Jeffrey Rentz, M.D.
General Surgery
NPI 1851363667
2900 12TH AVE N SUITE 355W
Billings, MT 59101
(406) 238-6470
✔ PECOS✔ Accepts Medicare

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Surgical Associates, PC's NPI number?

The NPI number for Surgical Associates, PC is 1811074420. It was assigned to this organization in the NPPES registry on November 1, 2006.

Where is Surgical Associates, PC located?

Surgical Associates, PC is located at 2900 12th Ave N Suite 355W, Billings, MT 59101. The listed phone number is (406) 238-6470.

What is Surgical Associates, PC's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Surgical Associates, PC enrolled in Medicare?

Yes. Surgical Associates, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Surgical Associates, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 2 Medicare specialties reassign their Medicare billing to Surgical Associates, PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are General Surgery (9) and General Practice (1). Of these, 8 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Surgical Associates, PC accept?

Health plans from Blue Cross and Blue Shield of Montana list Surgical Associates, PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Surgical Associates, PC was last updated on December 15, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.