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DR. BARRY ALLEN MCKENZIE M.D.
NPI 1437367513
Surgery in Billings, MT

Active since May 20, 2007PECOS EnrolledAccepts Medicare Assignment
85.63/100
CMS Quality Rating
2900 12TH AVE N, SUITE 355 WEST, BILLINGS, MT 59101(406) 238-6470 Get Directions Write a Review

NPPES record last updated: October 8, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Barry Allen Mckenzie M.d. NPPES

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

DR. BARRY ALLEN MCKENZIE M.D. (NPI 1437367513) is an individual surgery provider in Billings, Montana, licensed in Montana (11752) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with St Vincent Healthcare, and is a graduate of University Of North Dakota School Of Medicine (2003).

NPPES Registry Identity

NPI1437367513
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. BARRY ALLEN MCKENZIECredential: M.D.
Location Address2900 12TH AVE N, SUITE 355 WESTBillings, MT 59101-7506
Mailing Address2900 12th Ave N, Suite 355wBillings, MT 59101-7506 · (406) 238-6470 · Fax (406) 238-6499
Phone(406) 238-6470
Sole ProprietorYes
Medical School CMSUniversity Of North Dakota School Of MedicineGraduated 2003
Enumeration DateMay 20, 2007
Last NPPES UpdateOctober 8, 2013
✔ NPI 1437367513 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in MT · 11752
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
2900 12TH AVE N, Billings, MT 59101
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Barry Allen Mckenzie M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3476628389
PECOS Enrollment IDI20080812000411
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Barry Mckenzie reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Surgical Associates, PC
Same address
Specialist
2900 12TH AVE N, SUITE 355W
Billings, MT 59101
  • Reassigned Medicare billing, Montana enrollment
  • 10 clinicians in this Medicare group
NPI 1811074420 (406) 238-6470

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

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
133 services62 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
49 services34 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
40 services39 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
27 services27 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
15 services14 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
15 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Vincent Healthcare

Acute Care Hospitals · Billings, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number270049
Location1233 N 30th StBillings, MT 59101 · Yellowstone County
Emergency services Birthing friendly

Cody Regional Health

Critical Access Hospitals · Cody, WY
OwnershipGovernment - Hospital District or Authority
CMS Certification Number531312
Location707 Sheridan AvenueCody, WY 82414 · Park County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$87.97 typical visit price
range $56.81 – $172.26
Typical copayment $21.99 (range $14.20 – $43.06)
Most-billed visit code 99203
Established Patient
$70.82 typical visit price
range $18.24 – $140.32
Typical copayment $17.70 (range $4.56 – $35.08)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.63/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality87.87
Improvement Activities40
Cost68.28

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DANIEL M MOLLOY M.D.
Obstetrics & Gynecology
2900 12TH AVE N, STE 245W
BILLINGS, MT 59101
Yellowstone County (406) 238-6010
ST VINCENT HEALTHCARE
Clinic/Center
2900 12TH AVE N, SUITE 130W
BILLINGS, MT 59101
Yellowstone County (406) 237-3620
ST. VINCENT HEALTHCARE
Clinic/Center (Multi-Specialty)
2900 12TH AVE N, SUITE 340W
BILLINGS, MT 59101
Yellowstone County (406) 237-4050
CHARLES MCCLAVE MD
Internal Medicine
2900 12TH AVE N, SUITE 160W
BILLINGS, MT 59101
Yellowstone County (406) 237-8500
DAVID W SHENTON JR. M.D.
Orthopaedic Surgery (Sports Medicine)
2900 12TH AVE N, #100E
BILLINGS, MT 59101
Yellowstone County (406) 238-6700
DR. ROBERT E STOCKDALE M.D.
Urology
2900 12TH AVE N, STE 503E
BILLINGS, MT 59101
Yellowstone County (406) 237-5400
TAD A. STICHMAN PA-C
Physician Assistant
2900 12TH AVE N, SUITE 140W
BILLINGS, MT 59101
Yellowstone County (406) 237-5050
FRED V SCHNEIDER M.D.
Surgery
2900 12TH AVE N, STE 502E
BILLINGS, MT 59101
Yellowstone County (406) 245-6982

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 Barry Mckenzie's NPI number?

The NPI number for Barry Mckenzie is 1437367513. It was assigned to this individual provider in the NPPES registry on May 20, 2007.

Where is Barry Mckenzie located?

Barry Mckenzie practices at 2900 12th Ave N Suite 355 West, Billings, MT 59101. The listed phone number is (406) 238-6470.

What is Barry Mckenzie's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Barry Mckenzie enrolled in Medicare?

Yes. Barry Mckenzie is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Barry Mckenzie's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Barry Mckenzie reassigns Medicare benefits to Surgical Associates, PC (Billings, MT). The 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 Barry Mckenzie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Barry Mckenzie accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Barry Mckenzie 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.

Is Barry Mckenzie affiliated with any hospitals?

According to CMS data, Barry Mckenzie is affiliated with St Vincent Healthcare and Cody Regional Health.

When was this NPI record last updated?

The NPPES record for Barry Mckenzie was last updated on October 8, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.