Dr. Mark C. Mason, MD
- Medicare services, 2024
- 447
- Medicare patients, 2024
- 335
- Part D claims, 2024
- 267
- Hospital affiliations
- 2
- Industry payments
- $44,136
- Practice address
- 1111 Crater Lake Avenue, Medford, OR 97504
- Practice phone
- Call (541) 732-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mason's professional email, personal email and mobile number
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Dr. Mark C. Mason is a general surgeon in Medford, Oregon
Dr. Mason practices at Providence Medford Medical Center in Medford, Oregon, part of Providence Health & Services.
Dr. Mason's NPI, 1336124510, was assigned on December 12, 2005. Dr. Mason graduated from Michigan College of Medicine and Surgery in 2004. Dr. Mason holds Oregon license MD160445.
- NPI
- 1336124510NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355363391
- NPI enumeration date
- December 12, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 732-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark C. Mason practices at Providence Medford Medical Center in Medford, Oregon
Dr. Mason's primary practice is Providence Medford Medical Center, at 1111 Crater Lake Avenue, Medford, OR 97504 in Jackson County. The practice phone is (541) 732-5000.
- Providence Medford Medical Center1111 Crater Lake Avenue, Medford, OR 97504 · Jackson CountyPhone(541) 732-5000
Source: Dmand AI Affiliation Data
Dr. Mark C. Mason is affiliated with 4 sites of care and 2 medical groups
Dr. Mason's primary practice is Providence Medford Medical Center in Medford, Oregon, part of Providence Health & Services. Dr. Mason is also affiliated with Asante Rogue Regional Medical Center. The medical group on file is Providence Medford Medical Center. Dmand AI also links Dr. Mason to 2 more group practices and clinics 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. Mark C. Mason's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mason practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Medford Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark C. Mason is one of 438 general surgeons in Oregon
Surgery is Dr. Mason's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Mason is licensed in Oregon.
Specialties and state licenses
- Surgery, OregonPrimary
General surgeons near Dr. Mason
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. Mark C. Mason billed Medicare for 447 services in 2024
CMS data shows 447 Medicare services from Dr. Mason across 14 procedure codes in 2024, for 335 Medicare patients. Medicare paid $67,018 for them.
Dr. Mason's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2532024: 28814%
- Office and hospital visits
- 2023: 1662024: 14711%
- Other services
- 2023: 162024: 1225%
Where Dr. Mason's Medicare services took place, 2024
- In an office13330%
- In a facility31470%
Dr. Mason compared with the Oregon median for general surgeons, 2024
- Dr. Mason
- Oregon median
- Medicare services
- 447vs 835.4 times
- Medicare patients
- 335vs 824.1 times
- Part D claims
- 237vs 475.0 times
Medians across 433 general surgeons in Oregon with Dmand AI profiles that report each measure.
Dr. Mason'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mason and other general surgeons in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark C. Mason treated 335 Medicare patients in 2024, average age 72
CMS counts 335 Medicare patients who saw Dr. Mason in 2024. The largest group is 65 to 74, with 191 patients. 66% of them have high cholesterol, and 64% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mason's median patient age at 66, with 51% women.
Dr. Mason's Medicare patients by age, 2024
Dr. Mason's Medicare patients by sex, 2024
- Women16248%
- Men17352%
Chronic conditions among Dr. Mason's Medicare patients, 2024
- High cholesterol66%
- High blood pressure64%
- Arthritis46%
- Mood disorders24%
- Chronic kidney disease21%
- Diabetes21%
- Depression20%
- Anxiety19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mason's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark C. Mason wrote 267 Medicare Part D claims in 2024
In 2024, Dr. Mason wrote 267 Medicare Part D claims for 225 patients. 73% of them were for generic drugs. CMS names the drug for 237 of them, across 6 drugs with 11 or more claims each, at $5,675 in total drug cost. In 2023, CMS named 65 claims across 3 drugs.
Dr. Mason's Part D claims by kind of drug, 2024
- Generic195 claims73%
- Brand-name72 claims27%
Dr. Mason'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. Mason's Part D claims, 2024
- Opioids18%49 of 267 claims
- Antibiotics12%31 of 267 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: 652024: 237265%
Drugs named by CMS: 6 in 2024, 3 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 C. Mason ranks in the 95th percentile for colonoscopy in Medicare
Dr. Mason accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 221 procedures of colonoscopy by Dr. Mason, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mason ranks in Medicare procedure volume
- Colonoscopy
- 95th percentile221 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 76th percentile99 procedures
- Hernia repair (minimally invasive)
- 94th percentile28 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
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)
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Dr. Mark C. Mason received $44,136 in industry payments from 2016 to 2025
CMS Open Payments shows 108 general payments to Dr. Mason from 9 drug and device companies from 2016 to 2025. Education make up the largest share, 74% of the total. Intuitive Surgical, Inc. paid the most, $43,738.
General payments to Dr. Mason by program year, 2016 to 2025
General payments to Dr. Mason by kind, 2016 to 2025
- Education$32,75974%
- Travel and lodging$7,88718%
- Food and beverage$3,4908%
Companies that paid Dr. Mason 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. Mark C. Mason graduated from Michigan College of Medicine and Surgery
Dr. Mason graduated from Michigan College of Medicine and Surgery in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark C. Mason'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 C. Mason
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 C. Mason's NPI number?
Dr. Mark C. Mason's NPI number is 1336124510. It was assigned on December 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark C. Mason?
Dr. Mark C. Mason is a general surgeon in Medford, Oregon. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Mark C. Mason practice?
Dr. Mason practices at 1111 Crater Lake Avenue, Medford, OR 97504. Dr. Mason's primary practice is Providence Medford Medical Center in Medford, Oregon, part of Providence Health & Services. Dmand AI also links Dr. Mason to 2 group practices and clinics and 1 medical group.
What is Dr. Mark C. Mason's office phone number?
The practice phone on file for Dr. Mason is (541) 732-5000.
What is Dr. Mark C. Mason's medical license number?
Dr. Mason holds Oregon license MD160445.
Which hospitals is Dr. Mark C. Mason affiliated with?
Dr. Mason practices at Providence Medford Medical Center in Medford, Oregon. Dr. Mason is also affiliated with Asante Rogue Regional Medical Center.
What medical group is Dr. Mark C. Mason part of?
Dr. Mason is linked to Providence Medford Medical Center. Dmand AI links Dr. Mason to 1 more medical group.
Does Dr. Mark C. Mason accept Medicare?
Yes. CMS data shows Dr. Mason billed Medicare for 447 services in 2024, and Dr. Mason accepts Medicare assignment.
How many Medicare patients does Dr. Mark C. Mason see?
CMS counts 335 Medicare patients who saw Dr. Mason in 2024, with an average age of 72.
What services does Dr. Mark C. Mason bill to Medicare?
In 2024, Dr. Mason's most billed Medicare services were surgery: digestive system (45380), surgery: digestive system (45385) and surgery: digestive system (43239).
Show 4 more questionsShow fewer questions
Where did Dr. Mark C. Mason go to medical school?
Dr. Mason graduated from Michigan College of Medicine and Surgery in 2004.
What drugs does Dr. Mark C. Mason prescribe most?
In 2024 Medicare Part D data, Dr. Mason's most prescribed drugs by claims were Peg-3350 And Electrolytes, Sod Sulf-Potass Sulf-Mag Sulf and Oxycodone HCl.
Has Dr. Mark C. Mason received payments from drug or device companies?
CMS Open Payments shows $44,136 in general payments to Dr. Mason from 9 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Mark C. Mason been practicing?
Dr. Mason graduated from medical school in 2004, 22 years ago.
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