Clin J Gastroenterol
Crohn DiseaseDysbiosisEnvironmental Exposure
Dr. Mark Anthony Sofia, MD
NPI1912261496PAC ID7012131840
- Medicare services, 2024
- 271
- Medicare patients, 2024
- 158
- Part D claims, 2024
- 750
- Publications
- 1
- Clinical trials
- 1
- Practice address
- 3181 SW Sam Jackson Park Road, Portland, OR 97239
- Practice phone
- Call (503) 494-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sofia'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. Mark Anthony Sofia is a gastroenterologist in Portland, Oregon
Dr. Sofia practices at OHSU Hospital in Portland, Oregon, part of State of Oregon.
Dr. Sofia's NPI, 1912261496, was assigned on June 28, 2012. Dr. Sofia graduated from University of Chicago, Pritzker School of Medicine in 2012. Dr. Sofia holds Oregon license MD188747.
NPI and contact details
- NPI
- 1912261496NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012131840
- NPI enumeration date
- June 28, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (503) 494-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Anthony Sofia practices at OHSU Hospital in Portland, Oregon
Dr. Sofia's primary practice is OHSU Hospital, at 3181 SW Sam Jackson Park Road, Portland, OR 97239 in Multnomah County. The practice phone is (503) 494-9000.
- OHSU Hospital3181 SW Sam Jackson Park Road, Portland, OR 97239 · Multnomah CountyPhone(503) 494-9000
Source: Dmand AI Affiliation Data
Dr. Mark Anthony Sofia is affiliated with 4 sites of care and 1 medical group
Dr. Sofia's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. Dr. Sofia is also affiliated with Hillsboro Medical Center. The medical group on file is Oregon Health & Science University (OHSU). Dmand AI also links Dr. Sofia to 1 more hospital and 1 clinical lab, each named with a free account.
Hillsboro Medical CenterOregon Health & Science University (OHSU)1 hospitalName with a free account1 clinical labName with a free account
See all 5 affiliations for Dr. SofiaSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Anthony Sofia's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sofia practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OHSU Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Sofia practices
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Dr. Mark Anthony Sofia is one of 226 gastroenterologists in Oregon
Gastroenterology is Dr. Sofia's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Sofia is licensed in Oregon.
Specialties and state licenses
- Gastroenterology, OregonPrimary
Gastroenterologists near Dr. Sofia
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
226gastroenterologists in Oregon99gastroenterologists in Portland19gastroenterologists at OHSU Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark Anthony Sofia billed Medicare for 271 services in 2024
CMS data shows 271 Medicare services from Dr. Sofia across 7 procedure codes in 2024, for 158 Medicare patients. Medicare paid $20,403 for them.
Medicare services, 2024271
Medicare patients158
Paid by Medicare$20,403
Procedure codes7
Dr. Sofia's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 752024: 10135%
- Other services
- 2023: 242024: 91279%
- Surgery
- 2023: 872024: 799%
- Tests and treatments
- 2023: 172024: 0100%
Where Dr. Sofia's Medicare services took place, 2024
- In an office14554%
- In a facility12646%
Dr. Sofia compared with the Oregon median for gastroenterologists, 2024
- Dr. Sofia
- Oregon median
- Medicare services
- 271vs 273Close to median
- Medicare patients
- 158vs 19017% below
- Part D claims
- 561vs 34065% above
Medians across 224 gastroenterologists in Oregon with Dmand AI profiles that report each measure.
Dr. Sofia'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. Sofia?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sofia and other gastroenterologists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Anthony Sofia treated 158 Medicare patients in 2024, average age 66
CMS counts 158 Medicare patients who saw Dr. Sofia in 2024. The largest group is 65 to 74, with 61 patients. 59% of them have high blood pressure, and 50% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Sofia's median patient age at 57, with 54% women.
Medicare patients, 2024158
Average age66
Average risk score1.90
Also on Medicaid27%
Dr. Sofia's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sofia's Medicare patients by sex, 2024
- Women8051%
- Men7849%
Chronic conditions among Dr. Sofia's Medicare patients, 2024
- High blood pressure59%
- High cholesterol50%
- Arthritis37%
- Anxiety32%
- Mood disorders32%
- Depression25%
- Ischemic heart disease25%
- Cancer22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sofia's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Anthony Sofia wrote 750 Medicare Part D claims in 2024
In 2024, Dr. Sofia wrote 750 Medicare Part D claims for 168 patients. 51% of them were for generic drugs. CMS names the drug for 561 of them, across 17 drugs with 11 or more claims each, at $4,291,138 in total drug cost. In 2023, CMS named 570 claims across 20 drugs.
Part D claims, 2024750
Drugs named by CMS17
Total drug cost$4.3M
Part D patients168
Dr. Sofia's Part D claims by kind of drug, 2024
- Generic379 claims51%
- Brand-name and other371 claims49%
Dr. Sofia'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. Sofia's Part D claims, 2024
- Antibiotics4%29 of 750 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: 5702024: 5612%
Drugs named by CMS: 17 in 2024, 20 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 Anthony Sofia scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Sofia for performance year 2024, reported through an alternative payment model (APM). Dr. Sofia accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sofia as offering telehealth. CMS counts 67 procedures of colonoscopy by Dr. Sofia, more than 70% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Sofia's MIPS scores, performance year 2024
- 99of 100Final score
- 84.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Sofia ranks in Medicare procedure volume
- Colonoscopy
- 70th percentile67 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 60th percentile40 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mark Anthony Sofia has 1 publication on record
Dmand AI links 1 paper to Dr. Sofia in 2018.
Papers1
Recent publications by Dr. Sofia
See who Dr. Sofia researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sofia works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Anthony Sofia has worked on 1 clinical trial
Dmand AI links Dr. Sofia to 1 clinical trial. Conditions studied include Crohn Disease and Inflammatory Bowel Diseases.
Conditions in Dr. Sofia's trials
- Crohn Disease
- Inflammatory Bowel Diseases
Investigators on the most trials with Dr. Sofia
Recent clinical trials with Dr. Sofia
Crohn DiseaseInflammatory Bowel DiseasesCx601
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Mark Anthony Sofia received $2,468 in industry payments from 2016 to 2024
CMS Open Payments shows 13 general payments to Dr. Sofia from 6 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 72% of the total. Janssen Pharmaceuticals, Inc paid the most, $1,854.
General payments to Dr. Sofia by program year, 2016 to 2024
General payments to Dr. Sofia by kind, 2016 to 2024
$2.5Kin total
- Consulting fees$1,77572%
- Food and beverage$56523%
- Accredited education speaker fees$1155%
- Education$131%
Companies that paid Dr. Sofia 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. Mark Anthony Sofia graduated from University of Chicago, Pritzker School of Medicine
Dr. Sofia graduated from University of Chicago, Pritzker School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Anthony Sofia'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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 Anthony Sofia
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 Anthony Sofia's NPI number?
Dr. Mark Anthony Sofia's NPI number is 1912261496. It was assigned on June 28, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Anthony Sofia?
Dr. Mark Anthony Sofia is a gastroenterologist in Portland, Oregon. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Mark Anthony Sofia practice?
Dr. Sofia practices at 3181 SW Sam Jackson Park Road, Portland, OR 97239. Dr. Sofia's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. Dmand AI also links Dr. Sofia to 1 hospital and 1 clinical lab.
What is Dr. Mark Anthony Sofia's office phone number?
The practice phone on file for Dr. Sofia is (503) 494-9000.
What is Dr. Mark Anthony Sofia's medical license number?
Dr. Sofia holds Oregon license MD188747.
Which hospitals is Dr. Mark Anthony Sofia affiliated with?
Dr. Sofia practices at OHSU Hospital in Portland, Oregon. Dr. Sofia is also affiliated with Hillsboro Medical Center. Dmand AI links Dr. Sofia to 1 more hospital.
What medical group is Dr. Mark Anthony Sofia part of?
Dr. Sofia is linked to Oregon Health & Science University (OHSU).
Does Dr. Mark Anthony Sofia accept Medicare?
Yes. CMS data shows Dr. Sofia billed Medicare for 271 services in 2024, and Dr. Sofia accepts Medicare assignment.
Does Dr. Mark Anthony Sofia offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sofia as offering telehealth services.
What is Dr. Mark Anthony Sofia's MIPS score?
Dr. Sofia's MIPS final score for performance year 2024 is 99 out of 100, reported through an alternative payment model (APM).
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Mark Anthony Sofia see?
CMS counts 158 Medicare patients who saw Dr. Sofia in 2024, with an average age of 66.
What services does Dr. Mark Anthony Sofia bill to Medicare?
In 2024, Dr. Sofia's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0500).
Where did Dr. Mark Anthony Sofia go to medical school?
Dr. Sofia graduated from University of Chicago, Pritzker School of Medicine in 2012.
What drugs does Dr. Mark Anthony Sofia prescribe most?
In 2024 Medicare Part D data, Dr. Sofia's most prescribed drugs by claims were Stelara, Peg-3350 And Electrolytes and Omeprazole.
Has Dr. Mark Anthony Sofia received payments from drug or device companies?
CMS Open Payments shows $2,468 in general payments to Dr. Sofia from 6 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Mark Anthony Sofia been practicing?
Dr. Sofia graduated from medical school in 2012, 14 years ago.
Does Dr. Mark Anthony Sofia do research?
Dmand AI links 1 publication to Dr. Sofia. Dr. Sofia has worked on 1 clinical trial.
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