Dr. Mark A. Backus, MD
- Medicare services, 2024
- 2,071
- Medicare patients, 2024
- 301
- Part D claims, 2024
- 6,116
- Hospital affiliations
- 3
- Industry payments
- $269
- Practice address
- 2500 NE Neff Road, Bend, OR 97701
- Practice phone
- Call (541) 382-4321
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Backus' 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. Mark A. Backus is an internist in Bend, Oregon
Dr. Backus practices at St. Charles Bend in Bend, Oregon, part of St. Charles Health System.
Dr. Backus' NPI, 1588693105, was assigned on July 3, 2006. Dr. Backus graduated from Duke University School of Medicine in 1993. Dr. Backus holds Oregon license MD22701.
- NPI
- 1588693105NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749184927
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (541) 382-4321
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark A. Backus practices at St. Charles Bend in Bend, Oregon
Dr. Backus' primary practice is St. Charles Bend, at 2500 NE Neff Road, Bend, OR 97701 in Deschutes County. The practice phone is (541) 382-4321.
- St. Charles Bend2500 NE Neff Road, Bend, OR 97701 · Deschutes CountyPhone(541) 382-4321
Source: Dmand AI Affiliation Data
Dr. Mark A. Backus is affiliated with 4 sites of care and 1 medical group
Dr. Backus' primary practice is St. Charles Bend in Bend, Oregon, part of St. Charles Health System. Dr. Backus is also affiliated with St. Charles Prineville. The medical group on file is Cascade Internal Medicine Specialists. Dmand AI also links Dr. Backus to 1 more hospital and 1 group practice or clinic, 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. Mark A. Backus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Backus practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Charles Bend | Available with a free account |
| +3 more affiliated sites | 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 St. Charles Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark A. Backus is one of 1,680 internists in Oregon
Internal medicine is Dr. Backus' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Backus is licensed in Oregon.
Specialties and state licenses
- Internal medicine, OregonPrimary
Internists near Dr. Backus
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. Mark A. Backus billed Medicare for 2,071 services in 2024
CMS data shows 2,071 Medicare services from Dr. Backus across 20 procedure codes in 2024, for 301 Medicare patients. Medicare paid $86,352 for them. Every service was in an office.
Dr. Backus' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9582024: 9006%
- Other services
- 2023: 6072024: 70817%
- Tests and treatments
- 2023: 3432024: 3333%
- Surgery
- 2023: 942024: 11623%
- Lab and pathology
- 2023: 112024: 1427%
Dr. Backus compared with the Oregon median for internists, 2024
- Dr. Backus
- Oregon median
- Medicare services
- 2,071vs 3006.9 times
- Medicare patients
- 301vs 1322.3 times
- Part D claims
- 5,532vs 22224.9 times
Medians across 1,791 internists in Oregon with Dmand AI profiles that report each measure.
Dr. Backus' 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. Backus?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Backus and other internists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark A. Backus treated 301 Medicare patients in 2024, average age 77
CMS counts 301 Medicare patients who saw Dr. Backus in 2024. The largest group is 75 to 84, with 153 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Backus' median patient age at 75, with 31% women.
Dr. Backus' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Backus' Medicare patients by sex, 2024
- Women11237%
- Men18963%
Chronic conditions among Dr. Backus' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease41%
- Arthritis39%
- Mood disorders29%
- Depression28%
- Osteoporosis28%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Backus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women31%
- Men68%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark A. Backus wrote 6,116 Medicare Part D claims in 2024
In 2024, Dr. Backus wrote 6,116 Medicare Part D claims for 434 patients. 89% of them were for generic drugs. CMS names the drug for 5,532 of them, across 87 drugs with 11 or more claims each, at $587,259 in total drug cost. In 2023, CMS named 5,460 claims across 88 drugs.
Dr. Backus' Part D claims by kind of drug, 2024
- Generic5,418 claims89%
- Brand-name686 claims11%
- Other12 claims0%
Dr. Backus' 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. Backus' Part D claims, 2024
- Opioids1%32 of 6,116 claims
- Antibiotics2%103 of 6,116 claims
- Antipsychotics, patients 65 and over0%20 of 6,116 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: 5,4602024: 5,5321%
Drugs named by CMS: 87 in 2024, 88 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
Dr. Mark A. Backus ranks in the 69th percentile for removal of skin lesions in Medicare
Dr. Backus accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Backus as offering telehealth. CMS counts 31 procedures of removal of skin lesions by Dr. Backus, more than 69% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Backus ranks in Medicare procedure volume
- Removal of skin lesions
- 69th percentile31 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Skin biopsy: 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. Mark A. Backus received $269 in industry payments from 2017 to 2025
CMS Open Payments shows 10 general payments to Dr. Backus from 8 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. ZOLL Respicardia, Inc. paid the most, $87.
General payments to Dr. Backus by program year, 2017 to 2025
Companies that paid Dr. Backus the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark A. Backus graduated from Duke University School of Medicine
Dr. Backus graduated from Duke University School of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark A. Backus'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. Mark A. Backus
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. Mark A. Backus' NPI number?
Dr. Mark A. Backus' NPI number is 1588693105. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark A. Backus?
Dr. Mark A. Backus is an internist in Bend, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mark A. Backus practice?
Dr. Backus practices at 2500 NE Neff Road, Bend, OR 97701. Dr. Backus' primary practice is St. Charles Bend in Bend, Oregon, part of St. Charles Health System. Dmand AI also links Dr. Backus to 1 hospital and 1 group practice or clinic.
What is Dr. Mark A. Backus' office phone number?
The practice phone on file for Dr. Backus is (541) 382-4321.
What is Dr. Mark A. Backus' medical license number?
Dr. Backus holds Oregon license MD22701.
Which hospitals is Dr. Mark A. Backus affiliated with?
Dr. Backus practices at St. Charles Bend in Bend, Oregon. Dr. Backus is also affiliated with St. Charles Prineville. Dmand AI links Dr. Backus to 1 more hospital.
What medical group is Dr. Mark A. Backus part of?
Dr. Backus is linked to Cascade Internal Medicine Specialists.
Does Dr. Mark A. Backus accept Medicare?
Yes. CMS data shows Dr. Backus billed Medicare for 2,071 services in 2024, and Dr. Backus accepts Medicare assignment.
Does Dr. Mark A. Backus offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Backus as offering telehealth services.
How many Medicare patients does Dr. Mark A. Backus see?
CMS counts 301 Medicare patients who saw Dr. Backus in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Mark A. Backus bill to Medicare?
In 2024, Dr. Backus' most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and medicare service (G0439).
Where did Dr. Mark A. Backus go to medical school?
Dr. Backus graduated from Duke University School of Medicine in 1993.
What drugs does Dr. Mark A. Backus prescribe most?
In 2024 Medicare Part D data, Dr. Backus' most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Rosuvastatin Calcium.
Has Dr. Mark A. Backus received payments from drug or device companies?
CMS Open Payments shows $269 in general payments to Dr. Backus from 8 companies from 2017 to 2025. The largest total came from ZOLL Respicardia, Inc.
How long has Dr. Mark A. Backus been practicing?
Dr. Backus graduated from medical school in 1993, 33 years ago.
Selling to internal medicine practices?
See internists in Oregon 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