MontanaPatient TransferTertiary Care Centers
Dr. Barry Allen McKenzie, MD
NPI1437367513PAC ID3476628389
- Medicare services, 2024
- 314
- Medicare patients, 2024
- 208
- Part D claims, 2024
- 63
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 1233 N 30th St, Billings, MT 59101
- Practice phone
- Call (406) 237-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Vincent Healthcare
Billings, Montana
Find Dr. McKenzie's professional email, personal email and mobile number
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Dr. Barry Allen McKenzie is a general surgeon in Billings, Montana
Dr. McKenzie practices at St Vincent Healthcare in Billings, Montana.
Dr. McKenzie's NPI, 1437367513, was assigned on May 20, 2007. Dr. McKenzie graduated from University of North Dakota School of Medicine in 2003. Dr. McKenzie holds Montana license 11752.
NPI and contact details
- NPI
- 1437367513NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476628389
- NPI enumeration date
- May 20, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (406) 237-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Barry Allen McKenzie practices at St Vincent Healthcare in Billings, Montana
Dr. McKenzie's primary practice is St Vincent Healthcare, at 1233 N 30th St, Billings, MT 59101 in Yellowstone County. The practice phone is (406) 237-7000.
- St Vincent Healthcare1233 N 30th St, Billings, MT 59101 · Yellowstone CountyPhone(406) 237-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Barry Allen McKenzie is affiliated with 4 sites of care and 1 medical group
Dr. McKenzie's primary practice is St Vincent Healthcare in Billings, Montana. Dr. McKenzie is also affiliated with St. Vincent Regional Hospital. The medical group on file is Surgical Associates, PC. Dmand AI also links Dr. McKenzie to 1 more hospital and 1 group practice or clinic, each named with a free account.
St Vincent HealthcarePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Barry Allen McKenzie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McKenzie practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Vincent Healthcare | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Barry Allen McKenzie is one of 111 general surgeons in Montana
Surgery is Dr. McKenzie's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. McKenzie is licensed in Montana.
Specialties and state licenses
- Surgery, MontanaPrimary
General surgeons near Dr. McKenzie
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Barry Allen McKenzie billed Medicare for 314 services in 2024
CMS data shows 314 Medicare services from Dr. McKenzie across 9 procedure codes in 2024, for 208 Medicare patients. Medicare paid $24,180 for them.
Medicare services, 2024314
Medicare patients208
Paid by Medicare$24,180
Procedure codes9
Dr. McKenzie's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2442024: 30324%
- Surgery
- 2023: 02024: 11
Where Dr. McKenzie's Medicare services took place, 2024
- In an office9129%
- In a facility22371%
Dr. McKenzie compared with the Montana median for general surgeons, 2024
- Dr. McKenzie
- Montana median
- Medicare services
- 314vs 1352.3 times
- Medicare patients
- 208vs 12369% above
- Part D claims
- 34vs 4219% below
Medians across 121 general surgeons in Montana with Dmand AI profiles that report each measure.
Dr. McKenzie's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McKenzie and other general surgeons in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Barry Allen McKenzie treated 208 Medicare patients in 2024, average age 72
CMS counts 208 Medicare patients who saw Dr. McKenzie in 2024. The largest group is 65 to 74, with 102 patients. 74% of them have high blood pressure, and 60% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. McKenzie's median patient age at 61, with 48% women.
Medicare patients, 2024208
Average age72
Average risk score1.64
Also on Medicaid15%
Dr. McKenzie's Medicare patients by age, 2024
Dr. McKenzie's Medicare patients by sex, 2024
- Women10852%
- Men10048%
Chronic conditions among Dr. McKenzie's Medicare patients, 2024
- High blood pressure74%
- High cholesterol60%
- Arthritis41%
- Mood disorders38%
- Depression36%
- Anxiety32%
- Diabetes31%
- Cancer30%
Share of Medicare patients with each condition. A patient can have several.
Dr. McKenzie's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Barry Allen McKenzie wrote 63 Medicare Part D claims in 2024
In 2024, Dr. McKenzie wrote 63 Medicare Part D claims for 48 patients. 100% of them were for generic drugs. CMS names the drug for 34 of them, across 1 drug with 11 or more claims each, at $62 in total drug cost. In 2023, CMS named 37 claims across 2 drugs.
Part D claims, 202463
Drugs named by CMS1
Total drug cost$62
Part D patients48
Dr. McKenzie's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. McKenzie's Part D claims, 2024
- Opioids67%42 of 63 claims
- Antibiotics27%17 of 63 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 372024: 348%
Drugs named by CMS: 1 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Barry Allen McKenzie ranks in the 66th percentile for mastectomy in Medicare
Dr. McKenzie accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of mastectomy by Dr. McKenzie, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. McKenzie ranks in Medicare procedure volume
- Mastectomy
- 66th percentile12 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 43rd percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Barry Allen McKenzie has 1 publication on record
Dmand AI links 1 paper to Dr. McKenzie in 2025. Dr. McKenzie's most frequent co-authors are Abigail J. Alexander, MD, Stephen Joseph Fenton, MD and Stephanie Elizabeth Iantorno, MD.
Papers1
Dr. McKenzie's most frequent co-authors
- Abigail J. Alexander, MD1 shared paper
- Stephen Joseph Fenton, MD1 shared paper
- Stephanie Elizabeth Iantorno, MD1 shared paper
Recent publications by Dr. McKenzie
See who Dr. McKenzie researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. McKenzie works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Barry Allen McKenzie received $3,976 in industry payments from 2016 to 2025
CMS Open Payments shows 38 general payments to Dr. McKenzie from 22 drug and device companies from 2016 to 2025. Education make up the largest share, 63% of the total. Intuitive Surgical, Inc. paid the most, $3,169.
General payments to Dr. McKenzie by program year, 2016 to 2025
General payments to Dr. McKenzie by kind, 2016 to 2025
$4Kin total
- Education$2,50063%
- Food and beverage$80720%
- Travel and lodging$66917%
Companies that paid Dr. McKenzie the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Barry Allen McKenzie graduated from University of North Dakota School of Medicine
Dr. McKenzie graduated from University of North Dakota School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Barry Allen McKenzie's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Barry Allen McKenzie
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Barry Allen McKenzie's NPI number?
Dr. Barry Allen McKenzie's NPI number is 1437367513. It was assigned on May 20, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Barry Allen McKenzie?
Dr. Barry Allen McKenzie is a general surgeon in Billings, Montana. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Barry Allen McKenzie practice?
Dr. McKenzie practices at 1233 N 30th St, Billings, MT 59101. Dr. McKenzie's primary practice is St Vincent Healthcare in Billings, Montana. Dmand AI also links Dr. McKenzie to 1 hospital and 1 group practice or clinic.
What is Dr. Barry Allen McKenzie's office phone number?
The practice phone on file for Dr. McKenzie is (406) 237-7000.
What is Dr. Barry Allen McKenzie's medical license number?
Dr. McKenzie holds Montana license 11752.
Which hospitals is Dr. Barry Allen McKenzie affiliated with?
Dr. McKenzie is affiliated with St. Vincent Regional Hospital. Dmand AI links Dr. McKenzie to 1 more hospital.
What medical group is Dr. Barry Allen McKenzie part of?
Dr. McKenzie is linked to Surgical Associates, PC.
Does Dr. Barry Allen McKenzie accept Medicare?
Yes. CMS data shows Dr. McKenzie billed Medicare for 314 services in 2024, and Dr. McKenzie accepts Medicare assignment.
How many Medicare patients does Dr. Barry Allen McKenzie see?
CMS counts 208 Medicare patients who saw Dr. McKenzie in 2024, with an average age of 72.
What services does Dr. Barry Allen McKenzie bill to Medicare?
In 2024, Dr. McKenzie's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99213) and hospital inpatient care (99222).
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Where did Dr. Barry Allen McKenzie go to medical school?
Dr. McKenzie graduated from University of North Dakota School of Medicine in 2003.
What drugs does Dr. Barry Allen McKenzie prescribe most?
In 2024 Medicare Part D data, Dr. McKenzie's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Barry Allen McKenzie received payments from drug or device companies?
CMS Open Payments shows $3,976 in general payments to Dr. McKenzie from 22 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Barry Allen McKenzie been practicing?
Dr. McKenzie graduated from medical school in 2003, 23 years ago.
Does Dr. Barry Allen McKenzie do research?
Dmand AI links 1 publication to Dr. McKenzie.
Who does Dr. Barry Allen McKenzie publish with?
Dr. McKenzie's most frequent co-authors are Abigail J. Alexander, MD (1 shared paper), Stephen Joseph Fenton, MD (1 shared paper) and Stephanie Elizabeth Iantorno, MD (1 shared paper).
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