Justin Brewer
- Medicare services, 2024
- 92
- Medicare patients, 2024
- 86
- Part D claims, 2024
- 39
- Hospital affiliations
- 3
- Industry payments
- $41
- 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 Justin Brewer's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Justin Brewer is a general surgeon in Billings, Montana
Justin Brewer practices at St Vincent Healthcare in Billings, Montana.
Justin Brewer's NPI, 1417416298, was assigned on March 19, 2019. Justin Brewer graduated from University of Washington School of Medicine in 2019. Justin Brewer holds Montana license MED-PHYS-LIC-136211.
- NPI
- 1417416298NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406182849
- NPI enumeration date
- March 19, 2019
- 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
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Justin Brewer practices at St Vincent Healthcare in Billings, Montana
Justin Brewer'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
Justin Brewer is affiliated with 5 sites of care and 2 medical groups
Justin Brewer's primary practice is St Vincent Healthcare in Billings, Montana. Justin Brewer is also affiliated with St. Vincent Regional Hospital. The medical group on file is Surgical Associates, PC. Dmand AI also links Justin Brewer to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Justin Brewer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Justin Brewer practices, 4 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 |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Justin Brewer is one of 111 general surgeons in Montana
Surgery is Justin Brewer's primary specialty in the NPI Registry, under taxonomy code 208600000X. Justin Brewer is licensed in Montana.
Specialties and state licenses
- Surgery, MontanaPrimary
General surgeons near Justin Brewer
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
Justin Brewer billed Medicare for 92 services in 2024
CMS data shows 92 Medicare services from Justin Brewer across 4 procedure codes in 2024, for 86 Medicare patients. Medicare paid $7,338 for them.
Where Justin Brewer's Medicare services took place, 2024
- In an office1314%
- In a facility7986%
Justin Brewer compared with the Montana median for general surgeons, 2024
- Justin Brewer
- Montana median
- Medicare services
- 92vs 13532% below
- Medicare patients
- 86vs 12330% below
- Part D claims
- 23vs 4245% below
Medians across 121 general surgeons in Montana with Dmand AI profiles that report each measure.
Justin Brewer'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 Justin Brewer and other general surgeons in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Justin Brewer treated 86 Medicare patients in 2024, average age 74
CMS counts 86 Medicare patients who saw Justin Brewer in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have high blood pressure, and 63% have high cholesterol. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Justin Brewer's median patient age at 59, with 47% women.
Justin Brewer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Justin Brewer's Medicare patients by sex, 2024
- Women5260%
- Men3440%
Chronic conditions among Justin Brewer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol63%
- Arthritis44%
- Cancer34%
- Ischemic heart disease34%
- Diabetes31%
- Mood disorders28%
- Chronic kidney disease27%
Share of Medicare patients with each condition. A patient can have several.
Justin Brewer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Justin Brewer wrote 39 Medicare Part D claims in 2024
In 2024, Justin Brewer wrote 39 Medicare Part D claims for 32 patients. 100% of them were for generic drugs. CMS names the drug for 23 of them, across 1 drug with 11 or more claims each, at $38 in total drug cost. In 2023, CMS named 32 claims across 1 drug.
Justin Brewer'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 Justin Brewer's Part D claims, 2024
- Opioids69%27 of 39 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: 322024: 2328%
Drugs named by CMS: 1 in 2024, 1 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
How Justin Brewer takes part in Medicare
Justin Brewer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
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)
Mastectomy: 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)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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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Justin Brewer received $41 in industry payments in 2025
CMS Open Payments shows 2 general payments to Justin Brewer from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Octapharma USA, Inc. paid the most, $25.
Companies that paid Justin Brewer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Justin Brewer graduated from University of Washington School of Medicine
Justin Brewer graduated from University of Washington School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Justin Brewer'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) |
| 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 Justin Brewer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Justin Brewer's NPI number?
Justin Brewer's NPI number is 1417416298. It was assigned on March 19, 2019, and it is active in the NPI Registry.
What does Justin Brewer specialize in?
Justin Brewer is a general surgeon in Billings, Montana. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Justin Brewer practice?
Justin Brewer practices at 1233 N 30th St, Billings, MT 59101. Justin Brewer's primary practice is St Vincent Healthcare in Billings, Montana. Dmand AI also links Justin Brewer to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is Justin Brewer's office phone number?
The practice phone on file for Justin Brewer is (406) 237-7000.
What is Justin Brewer's medical license number?
Justin Brewer holds Montana license MED-PHYS-LIC-136211.
Which hospitals is Justin Brewer affiliated with?
Justin Brewer is affiliated with St. Vincent Regional Hospital. Dmand AI links Justin Brewer to 2 more hospitals.
What medical group is Justin Brewer part of?
Justin Brewer is linked to Surgical Associates, PC. Dmand AI links Justin Brewer to 1 more medical group.
Does Justin Brewer accept Medicare?
Yes. CMS data shows Justin Brewer billed Medicare for 92 services in 2024, and Justin Brewer accepts Medicare assignment.
How many Medicare patients does Justin Brewer see?
CMS counts 86 Medicare patients who saw Justin Brewer in 2024, with an average age of 74.
What services does Justin Brewer bill to Medicare?
In 2024, Justin Brewer's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and office visit, new patient (99203).
Show 4 more questionsShow fewer questions
Where did Justin Brewer go to medical school?
Justin Brewer graduated from University of Washington School of Medicine in 2019.
What drugs does Justin Brewer prescribe most?
In 2024 Medicare Part D data, Justin Brewer's most prescribed drugs by claims were Oxycodone HCl.
Has Justin Brewer received payments from drug or device companies?
CMS Open Payments shows $41 in general payments to Justin Brewer from 2 companies from 2025 to 2025. The largest total came from Octapharma USA, Inc.
How long has Justin Brewer been practicing?
Justin Brewer graduated from medical school in 2019, 7 years ago.
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