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Brennan Gagen
NPI1861141459
- Part D claims, 2024
- 44
- Publications
- 4
- Hospital affiliations
- 1
- Industry payments
- $2,830
- Medical group
- 1
- Practice address
- 2401 S 31st St, Temple, TX 76508
- Practice phone
- Call (254) 724-2111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Brennan Gagen is a general surgeon in Temple, Texas
Brennan Gagen practices at Baylor Scott & White Medical Center - Temple in Temple, Texas, part of Baylor Scott & White Health.
Brennan Gagen's NPI, 1861141459, was assigned on March 21, 2022. Brennan Gagen graduated from Tulane School of Medicine in 2022. Brennan Gagen holds Texas license U9920.
NPI and contact details
- NPI
- 1861141459NPI Registry (opens in a new tab)
- NPI enumeration date
- March 21, 2022
- NPI status
- Active
- Practice phone
- (254) 724-2111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Brennan Gagen practices at Baylor Scott & White Medical Center - Temple in Temple, Texas
Brennan Gagen's primary practice is Baylor Scott & White Medical Center - Temple, at 2401 S 31st St, Temple, TX 76508 in Bell County. The practice phone is (254) 724-2111.
- Baylor Scott & White Medical Center - Temple2401 S 31st St, Temple, TX 76508 · Bell CountyPhone(254) 724-2111
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Brennan Gagen is affiliated with 1 site of care and 1 medical group
Brennan Gagen's primary practice is Baylor Scott & White Medical Center - Temple in Temple, Texas, part of Baylor Scott & White Health. The medical group on file is Baylor Scott & White Temple Roney Bone and Joint Institute, Temple.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Brennan Gagen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Brennan Gagen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baylor Scott & White Medical Center - Temple | Available with a free account |
Source: Dmand AI Technology Install Data
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Brennan Gagen is one of 1,939 general surgeons in Texas
Surgery is Brennan Gagen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Brennan Gagen is licensed in Texas.
Specialties and state licenses
- Surgery, TexasPrimary
General surgeons near Brennan Gagen
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
1,939general surgeons in Texas38general surgeons in Temple2general surgeons at Baylor Scott & White Medical Center - Temple
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Brennan Gagen's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Brennan Gagen's median patient age at 70, with 100% women.
Brennan Gagen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Brennan Gagen wrote 44 Medicare Part D claims in 2024
In 2024, Brennan Gagen wrote 44 Medicare Part D claims for 30 patients. 80% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $103 in total drug cost.
Part D claims, 202444
Drugs named by CMS1
Total drug cost$103
Part D patients30
Brennan Gagen's Part D claims by kind of drug, 2024
- Generic35 claims80%
- Brand-name and other9 claims20%
Brennan Gagen's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
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Brennan Gagen has 4 publications on record
Dmand AI links 4 papers to Brennan Gagen, published from 2020 to 2023. Brennan Gagen's most frequent co-authors are Juan C. Duchesne, MD, Jay K. Kolls, MD and Dominique J. Monlezun, MD, MPH, PhD.
Papers4
Years published2020 to 2023
Brennan Gagen's papers by year, 2020 to 2023
Brennan Gagen's most frequent co-authors
- Juan C. Duchesne, MD2 shared papers
- Jay K. Kolls, MD1 shared paper
- Dominique J. Monlezun, MD, MPH, PhD1 shared paper
Recent publications by Brennan Gagen
Fluorescein-5-isothiocyanateGlycocalyxHuman Umbilical Vein Endothelial Cells
See who Brennan Gagen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Brennan Gagen 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
Brennan Gagen received $2,830 in industry payments from 2024 to 2025
CMS Open Payments shows 12 general payments to Brennan Gagen from 6 drug and device companies from 2024 to 2025. Education make up the largest share, 71% of the total. Intuitive Surgical, Inc. paid the most, $2,475.
General payments to Brennan Gagen by program year, 2024 to 2025
General payments to Brennan Gagen by kind, 2024 to 2025
$2.8Kin total
- Education$2,00071%
- Food and beverage$49117%
- Travel and lodging$34012%
Companies that paid Brennan Gagen the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Brennan Gagen graduated from Tulane School of Medicine
Brennan Gagen graduated from Tulane School of Medicine in 2022. Brennan Gagen is a member of ACS and SAGES.
- Medical school
Source: Dmand AI Professional Profile Data
Brennan Gagen accepts plans from 11 insurance carriers
Brennan Gagen is in network with 11 carriers, including Aetna, United Healthcare and Elevance. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +3 more carriersWith a free account
Plan types Brennan Gagen accepts, by number of carriers
- HMO7
- PPO7
- EPO4
- Medicare2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Brennan Gagen'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Brennan Gagen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Brennan Gagen's NPI number?
Brennan Gagen's NPI number is 1861141459. It was assigned on March 21, 2022, and it is active in the NPI Registry.
What does Brennan Gagen specialize in?
Brennan Gagen is a general surgeon in Temple, Texas. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Brennan Gagen practice?
Brennan Gagen practices at 2401 S 31st St, Temple, TX 76508. Brennan Gagen's primary practice is Baylor Scott & White Medical Center - Temple in Temple, Texas, part of Baylor Scott & White Health.
What is Brennan Gagen's office phone number?
The practice phone on file for Brennan Gagen is (254) 724-2111.
What is Brennan Gagen's medical license number?
Brennan Gagen holds Texas license U9920.
Which hospitals is Brennan Gagen affiliated with?
Brennan Gagen practices at Baylor Scott & White Medical Center - Temple in Temple, Texas.
What medical group is Brennan Gagen part of?
Brennan Gagen is linked to Baylor Scott & White Temple Roney Bone and Joint Institute, Temple.
Where did Brennan Gagen go to medical school?
Brennan Gagen graduated from Tulane School of Medicine in 2022.
What drugs does Brennan Gagen prescribe most?
In 2023 Medicare Part D data, Brennan Gagen's most prescribed drugs by claims were Gabapentin.
Has Brennan Gagen received payments from drug or device companies?
CMS Open Payments shows $2,830 in general payments to Brennan Gagen from 6 companies from 2024 to 2025. The largest total came from Intuitive Surgical, Inc.
Show 4 more questionsShow fewer questions
How long has Brennan Gagen been practicing?
Brennan Gagen graduated from medical school in 2022, 4 years ago.
Does Brennan Gagen do research?
Dmand AI links 4 publications to Brennan Gagen, published from 2020 to 2023.
Who does Brennan Gagen publish with?
Brennan Gagen's most frequent co-authors are Juan C. Duchesne, MD (2 shared papers), Jay K. Kolls, MD (1 shared paper) and Dominique J. Monlezun, MD, MPH, PhD (1 shared paper).
What insurance does Brennan Gagen accept?
Brennan Gagen is in network with 11 carriers, including Aetna, United Healthcare and Elevance. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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