Dr. Bryan M. Mahan, DO
- Medicare services, 2024
- 50
- Medicare patients, 2024
- 89
- Part D claims, 2024
- 23
- Hospital affiliations
- 2
- Industry payments
- $35,077
- Practice address
- 200 Exempla Cir, Lafayette, CO 80026
- Practice phone
- Call (303) 689-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mahan's professional email, personal email and mobile number
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Dr. Bryan M. Mahan is a cardiothoracic surgeon in Lafayette, Colorado
Dr. Mahan practices at Good Samaritan Hospital in Lafayette, Colorado, part of Intermountain Health.
Dr. Mahan's NPI, 1134159023, was assigned on July 4, 2006. Dr. Mahan graduated from Kirksville College of Osteopathic Medicine in 1980. Dr. Mahan holds Colorado license 37687.
- NPI
- 1134159023NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678522737
- NPI enumeration date
- July 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (303) 689-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Bryan M. Mahan practices at Good Samaritan Hospital in Lafayette, Colorado
Dr. Mahan's primary practice is Good Samaritan Hospital, at 200 Exempla Cir, Lafayette, CO 80026 in Boulder County. The practice phone is (303) 689-4000.
- Good Samaritan Hospital200 Exempla Cir, Lafayette, CO 80026 · Boulder CountyPhone(303) 689-4000
Source: Dmand AI Affiliation Data
Dr. Bryan M. Mahan is affiliated with 3 sites of care and 2 medical groups
Dr. Mahan's primary practice is Good Samaritan Hospital in Lafayette, Colorado, part of Intermountain Health. Dr. Mahan is also affiliated with Foothills Hospital. The medical group on file is Boulder Community Health. Dmand AI also links Dr. Mahan to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Bryan M. Mahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mahan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Bryan M. Mahan is one of 77 cardiothoracic surgeons in Colorado
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Mahan's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Mahan is board certified in 1999 - 2027 by the CO State License. Dr. Mahan is licensed in Colorado.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), ColoradoPrimary
Clinical focus
Dmand AI lists heart bypass surgery, heart valve surgery and lung resection among the conditions Dr. Mahan treats.
Cardiothoracic surgeons near Dr. Mahan
Counts of cardiothoracic 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. Bryan M. Mahan billed Medicare for 50 services in 2024
CMS data shows 50 Medicare services from Dr. Mahan across 3 procedure codes in 2024, all of them office visits, for 89 Medicare patients. Medicare paid $6,697 for them. Every service was in an office.
Dr. Mahan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 392024: 5028%
- Surgery
- 2023: 222024: 0100%
Dr. Mahan compared with the Colorado median for cardiothoracic surgeons, 2024
- Dr. Mahan
- Colorado median
- Medicare services
- 50vs 8138% below
- Medicare patients
- 89vs 92Close to median
- Part D claims
- 11vs 1942% below
Medians across 68 cardiothoracic surgeons in Colorado with Dmand AI profiles that report each measure.
Dr. Mahan'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Bryan M. Mahan treated 89 Medicare patients in 2024, average age 76
CMS counts 89 Medicare patients who saw Dr. Mahan in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mahan's median patient age at 74, with 36% women.
Dr. Mahan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mahan's Medicare patients by sex, 2024
- Women3236%
- Men5764%
Chronic conditions among Dr. Mahan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease69%
- Atrial fibrillation54%
- Heart failure52%
- Arthritis42%
- Chronic kidney disease31%
- Anxiety29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women36%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Bryan M. Mahan wrote 23 Medicare Part D claims in 2024
In 2024, Dr. Mahan wrote 23 Medicare Part D claims for 16 patients. 100% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $77 in total drug cost. In 2020, CMS named 26 claims across 2 drugs.
Dr. Mahan's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 262021: 1158%
Drugs named by CMS: 1 in 2021, 2 in 2020.
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. Bryan M. Mahan ranks in the 61st percentile for coronary artery bypass graft (cabg) in Medicare
Dr. Mahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 17 procedures of coronary artery bypass graft (cabg) by Dr. Mahan, more than 61% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mahan ranks in Medicare procedure volume
- Coronary artery bypass graft (CABG)
- 61st percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Pacemaker insertion or repair: 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. Bryan M. Mahan received $35,077 in industry payments from 2016 to 2025
CMS Open Payments shows 231 general payments to Dr. Mahan from 16 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 42% of the total. AtriCure, Inc. paid the most, $20,273.
General payments to Dr. Mahan by program year, 2016 to 2025
General payments to Dr. Mahan by kind, 2016 to 2025
- Consulting fees$14,77542%
- Travel and lodging$11,73133%
- Food and beverage$8,57124%
Companies that paid Dr. Mahan 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. Bryan M. Mahan graduated from Kirksville College of Osteopathic Medicine
Dr. Mahan graduated from Kirksville College of Osteopathic Medicine in 1980. Dr. Mahan is a member of AOA.
- Medical school
- Board certified in 1999 - 2027
- Board certified in 1980 - 1999
Source: Dmand AI Professional Profile Data
Dr. Bryan M. Mahan accepts plans from 18 insurance carriers
Dr. Mahan is in network with 18 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- Kaiser Permanente
- Aspirus Health Plan
- +10 more carriersWith a free account
Plan types Dr. Mahan accepts, by number of carriers
- PPO13
- Medicare11
- HMO9
- POS7
- EPO5
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Bryan M. Mahan'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 |
| 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 Dr. Bryan M. Mahan
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. Bryan M. Mahan's NPI number?
Dr. Bryan M. Mahan's NPI number is 1134159023. It was assigned on July 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Bryan M. Mahan?
Dr. Bryan M. Mahan is a cardiothoracic surgeon in Lafayette, Colorado. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. Bryan M. Mahan practice?
Dr. Mahan practices at 200 Exempla Cir, Lafayette, CO 80026. Dr. Mahan's primary practice is Good Samaritan Hospital in Lafayette, Colorado, part of Intermountain Health. Dmand AI also links Dr. Mahan to 1 group practice or clinic and 1 medical group.
What is Dr. Bryan M. Mahan's office phone number?
The practice phone on file for Dr. Mahan is (303) 689-4000.
What is Dr. Bryan M. Mahan's medical license number?
Dr. Mahan holds Colorado license 37687.
Which hospitals is Dr. Bryan M. Mahan affiliated with?
Dr. Mahan practices at Good Samaritan Hospital in Lafayette, Colorado. Dr. Mahan is also affiliated with Foothills Hospital.
What medical group is Dr. Bryan M. Mahan part of?
Dr. Mahan is linked to Boulder Community Health. Dmand AI links Dr. Mahan to 1 more medical group.
Does Dr. Bryan M. Mahan accept Medicare?
Yes. CMS data shows Dr. Mahan billed Medicare for 50 services in 2024, and Dr. Mahan accepts Medicare assignment.
How many Medicare patients does Dr. Bryan M. Mahan see?
CMS counts 89 Medicare patients who saw Dr. Mahan in 2024, with an average age of 76.
Is Dr. Bryan M. Mahan board certified?
Yes. Dr. Mahan is board certified in 1999 - 2027 by the CO State License.
Show 6 more questionsShow fewer questions
What services does Dr. Bryan M. Mahan bill to Medicare?
In 2024, Dr. Mahan's most billed Medicare services were office visit, new patient (99204), office visit, new patient (99205) and office visit, established patient (99214).
Where did Dr. Bryan M. Mahan go to medical school?
Dr. Mahan graduated from Kirksville College of Osteopathic Medicine in 1980.
What drugs does Dr. Bryan M. Mahan prescribe most?
In 2021 Medicare Part D data, Dr. Mahan's most prescribed drugs by claims were Furosemide.
Has Dr. Bryan M. Mahan received payments from drug or device companies?
CMS Open Payments shows $35,077 in general payments to Dr. Mahan from 16 companies from 2016 to 2025. The largest total came from AtriCure, Inc.
How long has Dr. Bryan M. Mahan been practicing?
Dr. Mahan graduated from medical school in 1980, 46 years ago.
What insurance does Dr. Bryan M. Mahan accept?
Dr. Mahan is in network with 18 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
Selling to thoracic surgery (cardiothoracic vascular surgery) practices?
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