Dr. Brendan M. Marr, MD
- Medicare services, 2024
- 13
- Medicare patients, 2024
- 34
- Part D claims, 2024
- 113
- Hospital affiliations
- 2
- Industry payments
- $4,976
- Practice address
- 9003 East Shea Boulevard, Scottsdale, AZ 85260
- Practice phone
- Call (480) 323-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marr'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.
Dr. Brendan M. Marr is a general surgeon in Scottsdale, Arizona
Dr. Marr practices at HonorHealth Scottsdale Shea Medical Center in Scottsdale, Arizona, part of HonorHealth.
Dr. Marr's NPI, 1437333630, was assigned on December 24, 2007. Dr. Marr graduated from Indiana University School of Medicine in 2006. Dr. Marr holds North Carolina license 2018-02219.
- NPI
- 1437333630NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749452654
- NPI enumeration date
- December 24, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 323-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brendan M. Marr practices at HonorHealth Scottsdale Shea Medical Center in Scottsdale, Arizona
Dr. Marr's primary practice is HonorHealth Scottsdale Shea Medical Center, at 9003 East Shea Boulevard, Scottsdale, AZ 85260 in Maricopa County. The practice phone is (480) 323-3000.
- HonorHealth Scottsdale Shea Medical Center9003 East Shea Boulevard, Scottsdale, AZ 85260 · Maricopa CountyPhone(480) 323-3000
Source: Dmand AI Affiliation Data
Dr. Brendan M. Marr is affiliated with 5 sites of care and 3 medical groups
Dr. Marr's primary practice is HonorHealth Scottsdale Shea Medical Center in Scottsdale, Arizona, part of HonorHealth. Dr. Marr is also affiliated with OSF Saint Elizabeth Medical Center - Peru. The medical group on file is HonorHealth Medical Group. Dmand AI also links Dr. Marr to 2 more group practices and clinics, 2 medical groups and 1 ambulatory surgery center, 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. Brendan M. Marr's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marr practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HonorHealth Scottsdale Shea Medical Center | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across HonorHealth and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Brendan M. Marr is one of 617 general surgeons in Arizona
Surgery is Dr. Marr's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Marr's licenses on file in 2 states: North Carolina and Pennsylvania.
Specialties and state licenses
- Surgery, North CarolinaPrimary
- Pennsylvania license
General surgeons near Dr. Marr
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. Brendan M. Marr billed Medicare for 13 services in 2024
CMS data shows 13 Medicare services from Dr. Marr across 1 procedure code in 2024, all of them office visits, for 34 Medicare patients. Medicare paid $1,464 for them. Every service was in an office.
Dr. Marr's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 132024: 13No change
Dr. Marr compared with the Arizona median for general surgeons, 2024
- Dr. Marr
- Arizona median
- Medicare services
- 13vs 16292% below
- Medicare patients
- 34vs 11671% below
- Part D claims
- 104vs 313.4 times
Medians across 545 general surgeons in Arizona with Dmand AI profiles that report each measure.
Dr. Marr'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.
Need commercial claims for Dr. Marr?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marr and other general surgeons in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brendan M. Marr treated 34 Medicare patients in 2024, average age 68
CMS counts 34 Medicare patients who saw Dr. Marr in 2024. The largest group is 65 to 74, with 22 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marr's median patient age at 47, with 78% women.
Dr. Marr's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Marr's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis71%
- Anxiety47%
- Depression47%
- Mood disorders47%
- Diabetes44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marr's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women78%
- Men20%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brendan M. Marr wrote 113 Medicare Part D claims in 2024
In 2024, Dr. Marr wrote 113 Medicare Part D claims for 29 patients. 98% of them were for generic drugs. CMS names the drug for 104 of them, across 4 drugs with 11 or more claims each, at $4,994 in total drug cost. In 2023, CMS named 113 claims across 4 drugs.
Dr. Marr's Part D claims by kind of drug, 2024
- Generic111 claims98%
- Brand-name and other2 claims2%
Dr. Marr'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. Marr's Part D claims, 2024
- Opioids19%21 of 113 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: 1132024: 1048%
Drugs named by CMS: 4 in 2024, 4 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 Dr. Brendan M. Marr takes part in Medicare
Dr. Marr 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 - groin (open): 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Brendan M. Marr received $4,976 in industry payments from 2016 to 2024
CMS Open Payments shows 54 general payments to Dr. Marr from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 84% of the total. Medtronic, Inc. paid the most, $2,649.
General payments to Dr. Marr by program year, 2016 to 2024
General payments to Dr. Marr by kind, 2016 to 2024
- Food and beverage$4,19284%
- Travel and lodging$78416%
Companies that paid Dr. Marr the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brendan M. Marr graduated from Indiana University School of Medicine
Dr. Marr graduated from Indiana University School of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brendan M. Marr'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 |
| 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. Brendan M. Marr
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. Brendan M. Marr's NPI number?
Dr. Brendan M. Marr's NPI number is 1437333630. It was assigned on December 24, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Brendan M. Marr?
Dr. Brendan M. Marr is a general surgeon in Scottsdale, Arizona. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Brendan M. Marr practice?
Dr. Marr practices at 9003 East Shea Boulevard, Scottsdale, AZ 85260. Dr. Marr's primary practice is HonorHealth Scottsdale Shea Medical Center in Scottsdale, Arizona, part of HonorHealth. Dmand AI also links Dr. Marr to 2 group practices and clinics, 2 medical groups and 1 ambulatory surgery center.
What is Dr. Brendan M. Marr's office phone number?
The practice phone on file for Dr. Marr is (480) 323-3000.
What is Dr. Brendan M. Marr's medical license number?
Dr. Marr holds North Carolina license 2018-02219, one of the licenses on file in 2 states.
Which states has Dr. Brendan M. Marr been licensed in?
Dmand AI has state licenses on file for Dr. Marr in North Carolina and Pennsylvania.
Which hospitals is Dr. Brendan M. Marr affiliated with?
Dr. Marr practices at HonorHealth Scottsdale Shea Medical Center in Scottsdale, Arizona. Dr. Marr is also affiliated with OSF Saint Elizabeth Medical Center - Peru.
What medical group is Dr. Brendan M. Marr part of?
Dr. Marr is linked to HonorHealth Medical Group. Dmand AI links Dr. Marr to 2 more medical groups.
Does Dr. Brendan M. Marr accept Medicare?
Yes. CMS data shows Dr. Marr billed Medicare for 13 services in 2024, and Dr. Marr accepts Medicare assignment.
How many Medicare patients does Dr. Brendan M. Marr see?
CMS counts 34 Medicare patients who saw Dr. Marr in 2024, with an average age of 68.
Show 5 more questionsShow fewer questions
What services does Dr. Brendan M. Marr bill to Medicare?
In 2024, Dr. Marr's most billed Medicare services were office visit, new patient (99204).
Where did Dr. Brendan M. Marr go to medical school?
Dr. Marr graduated from Indiana University School of Medicine in 2006.
What drugs does Dr. Brendan M. Marr prescribe most?
In 2024 Medicare Part D data, Dr. Marr's most prescribed drugs by claims were Ursodiol, Pantoprazole Sodium and Oxycodone-Acetaminophen.
Has Dr. Brendan M. Marr received payments from drug or device companies?
CMS Open Payments shows $4,976 in general payments to Dr. Marr from 6 companies from 2016 to 2024. The largest total came from Medtronic, Inc.
How long has Dr. Brendan M. Marr been practicing?
Dr. Marr graduated from medical school in 2006, 20 years ago.
Selling to surgery practices?
See general surgeons in Arizona by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card