Dr. Brian D. Marks, DO
- Medicare services, 2024
- 607
- Medicare patients, 2024
- 155
- Part D claims, 2024
- 3,283
- Hospital affiliations
- 1
- Industry payments
- $6,956
- Practice address
- 7331 E Osborn Dr, Scottsdale, AZ 85251
- Practice phone
- Call (480) 949-7080
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Brian D Marks DO
Scottsdale, Arizona
Find Dr. Marks' 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. Brian D. Marks is an internist in Scottsdale, Arizona
Dr. Marks practices at Brian D Marks DO in Scottsdale, Arizona.
Dr. Marks' NPI, 1013982883, was assigned on February 23, 2006. Dr. Marks graduated from Midwestern University, Chicago College of Osteopathic Med in 1992. Dr. Marks holds Arizona license 2964.
- NPI
- 1013982883NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517992563
- NPI enumeration date
- February 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 949-7080
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian D. Marks practices at Brian D Marks DO in Scottsdale, Arizona
Dr. Marks' primary practice is Brian D Marks DO, at 7331 E Osborn Dr, Scottsdale, AZ 85251 in Maricopa County. The practice phone is (480) 949-7080.
- Brian D Marks DO7331 E Osborn Dr, Scottsdale, AZ 85251 · Maricopa CountyPhone(480) 949-7080
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Brian D. Marks is affiliated with 3 sites of care
Dr. Marks' primary practice is Brian D Marks DO in Scottsdale, Arizona. Dr. Marks is also affiliated with HonorHealth John C. Lincoln Medical Center. Dmand AI also links Dr. Marks to 1 more physician office, 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 Dr. Brian D. Marks' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marks practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brian D Marks DO | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian D. Marks is one of 2,420 internists in Arizona
Internal medicine is Dr. Marks' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Marks is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Marks
Counts of internists 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. Brian D. Marks billed Medicare for 607 services in 2024
CMS data shows 607 Medicare services from Dr. Marks across 5 procedure codes in 2024, for 155 Medicare patients. Medicare paid $56,529 for them. Every service was in an office.
Dr. Marks' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4412024: 4696%
- Other services
- 2023: 1262024: 1251%
- Tests and treatments
- 2023: 02024: 13
- Lab and pathology
- 2023: 152024: 0100%
Dr. Marks compared with the Arizona median for internists, 2024
- Dr. Marks
- Arizona median
- Medicare services
- 607vs 47628% above
- Medicare patients
- 155vs 20524% below
- Part D claims
- 2,727vs 26010.5 times
Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.
Dr. Marks' 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. Marks and other internists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian D. Marks treated 155 Medicare patients in 2024, average age 76
CMS counts 155 Medicare patients who saw Dr. Marks in 2024. The largest group is 65 to 74, with 73 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marks' median patient age at 71, with 37% women.
Dr. Marks' Medicare patients by age, 2024
Dr. Marks' Medicare patients by sex, 2024
- Women6844%
- Men8756%
Chronic conditions among Dr. Marks' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Chronic kidney disease32%
- Ischemic heart disease28%
- Diabetes21%
- Atrial fibrillation19%
- Osteoporosis17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marks' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women37%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian D. Marks wrote 3,283 Medicare Part D claims in 2024
In 2024, Dr. Marks wrote 3,283 Medicare Part D claims for 280 patients. 86% of them were for generic drugs. CMS names the drug for 2,727 of them, across 66 drugs with 11 or more claims each, at $199,228 in total drug cost. In 2023, CMS named 2,666 claims across 67 drugs.
Dr. Marks' Part D claims by kind of drug, 2024
- Generic2,838 claims86%
- Brand-name416 claims13%
- Other29 claims1%
Dr. Marks' 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. Marks' Part D claims, 2024
- Antibiotics2%69 of 3,283 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: 2,6662024: 2,7272%
Drugs named by CMS: 66 in 2024, 67 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. Brian D. Marks takes part in Medicare
Dr. Marks accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 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. Brian D. Marks received $6,956 in industry payments from 2016 to 2025
CMS Open Payments shows 305 general payments to Dr. Marks from 37 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,471.
General payments to Dr. Marks by program year, 2016 to 2025
General payments to Dr. Marks by kind, 2016 to 2025
- Food and beverage$6,945100%
- Education$110%
Companies that paid Dr. Marks 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. Brian D. Marks graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. Marks graduated from Midwestern University, Chicago College of Osteopathic Med in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian D. Marks'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 Dr. Brian D. Marks
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. Brian D. Marks' NPI number?
Dr. Brian D. Marks' NPI number is 1013982883. It was assigned on February 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian D. Marks?
Dr. Brian D. Marks is an internist in Scottsdale, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Brian D. Marks practice?
Dr. Marks practices at 7331 E Osborn Dr, Scottsdale, AZ 85251. Dr. Marks' primary practice is Brian D Marks DO in Scottsdale, Arizona. Dmand AI also links Dr. Marks to 1 physician office.
What is Dr. Brian D. Marks' office phone number?
The practice phone on file for Dr. Marks is (480) 949-7080.
What is Dr. Brian D. Marks' medical license number?
Dr. Marks holds Arizona license 2964.
Which hospitals is Dr. Brian D. Marks affiliated with?
Dr. Marks is affiliated with HonorHealth John C. Lincoln Medical Center.
Does Dr. Brian D. Marks accept Medicare?
Yes. CMS data shows Dr. Marks billed Medicare for 607 services in 2024, and Dr. Marks accepts Medicare assignment.
How many Medicare patients does Dr. Brian D. Marks see?
CMS counts 155 Medicare patients who saw Dr. Marks in 2024, with an average age of 76.
What services does Dr. Brian D. Marks bill to Medicare?
In 2024, Dr. Marks' most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99215).
Where did Dr. Brian D. Marks go to medical school?
Dr. Marks graduated from Midwestern University, Chicago College of Osteopathic Med in 1992.
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What drugs does Dr. Brian D. Marks prescribe most?
In 2024 Medicare Part D data, Dr. Marks' most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Brian D. Marks received payments from drug or device companies?
CMS Open Payments shows $6,956 in general payments to Dr. Marks from 37 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Brian D. Marks been practicing?
Dr. Marks graduated from medical school in 1992, 34 years ago.
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