Mark Samir Salem

  • Orange, CA
  • Gastroenterologist
NPI1821356254PAC ID0547592651
Medicare services, 2024
34
Medicare patients, 2024
26
Part D claims, 2024
180
Publications
5
Clinical trials
1
Practice address
101 City Drive South, Orange, CA 92868
Practice phone
Call (714) 456-7890
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCI Health - Orange

Hospital · Orange, California

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Mark Samir Salem is a gastroenterologist in Orange, California

Mark Salem practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Mark Salem's NPI, 1821356254, was assigned on April 23, 2012. Mark Salem graduated from University of Miami, Miller School of Medicine in 2012. Mark Salem holds California license A127236.

NPI and contact details
Medicare PAC ID
0547592651
NPI enumeration date
April 23, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(714) 456-7890
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)

Mark Samir Salem practices at UCI Health - Orange in Orange, California

Mark Salem's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.

  • UCI Health - Orange
    101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890

Source: Dmand AI Affiliation Data

Mark Samir Salem is affiliated with 1 site of care and 1 medical group

Mark Salem's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. The medical group on file is UCI Health Physicians.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Mark Samir Salem's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mark Salem practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCI Health - OrangeAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Mark Samir Salem is one of 1,977 gastroenterologists in California

Gastroenterology is Mark Salem's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Mark Salem is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Mark Salem's licenses on file in 2 states: California and Pennsylvania.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense A127236 · 2013 to 2027 · taxonomy 207RG0100X
  • Pennsylvania license2017 to 2026

Clinical focus

Dmand AI lists acid reflux and chronic inflammatory bowel disease (IBD) among the conditions Mark Salem treats.

Gastroenterologists near Mark Salem

Counts of gastroenterologists 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

Mark Samir Salem billed Medicare for 34 services in 2024

CMS data shows 34 Medicare services from Mark Salem across 1 procedure code in 2024, all of them office visits, for 26 Medicare patients. Medicare paid $2,738 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202434
Medicare patients26
Paid by Medicare$2,738
Procedure codes1

Mark Salem's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 212024: 3462%

Mark Salem compared with the California median for gastroenterologists, 2024

  • Mark Salem
  • California median
Medicare services
34vs 58694% below
Medicare patients
26vs 30291% below
Part D claims
86vs 38077% below

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Mark Salem'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.

See all procedures by Mark Salem

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Mark Samir Salem treated 26 Medicare patients in 2024, average age 65

CMS counts 26 Medicare patients who saw Mark Salem in 2024. The largest group is 65 to 74, with 12 patients. 73% of them have high cholesterol, and 69% have high blood pressure. 46% are also on Medicaid. Their average risk score is 2.37, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Mark Salem's median patient age at 33, with 46% women.

Medicare patients, 202426
Average age65
Average risk score2.37
Also on Medicaid46%

Mark Salem's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Mark Salem's Medicare patients by sex, 2024

  • Women1454%
  • Men1246%

Chronic conditions among Mark Salem's Medicare patients, 2024

  1. High cholesterol73%
  2. High blood pressure69%
  3. Arthritis46%
  4. Anxiety42%

Share of Medicare patients with each condition. A patient can have several.

Mark Salem's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 33

Patient panel by sex, all payers

  • Women46%
  • Men53%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Mark Samir Salem wrote 180 Medicare Part D claims in 2024

In 2024, Mark Salem wrote 180 Medicare Part D claims for 29 patients. 44% of them were for generic drugs. CMS names the drug for 86 of them, across 5 drugs with 11 or more claims each, at $735,590 in total drug cost. In 2023, CMS named 41 claims across 2 drugs.

Part D claims, 2024180
Drugs named by CMS5
Total drug cost$735,590
Part D patients29

Mark Salem's Part D claims by kind of drug, 2024

  • Generic80 claims44%
  • Brand-name100 claims56%

Mark Salem'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 412024: 86110%

Drugs named by CMS: 5 in 2024, 2 in 2023.

See all prescribing by Mark Salem

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

Mark Samir Salem scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Mark Salem for performance year 2024, reported through an alternative payment model (APM). Mark Salem accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mark Salem as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Mark Salem's MIPS scores, performance year 2024

  • 100of 100Final score
  • 83.7of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

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Mark Samir Salem has 5 publications on record

Dmand AI links 5 papers to Mark Salem, published from 2012 to 2017. Mark Salem's most frequent co-authors are Jason Ken Hou, MD, Richa Shukla and Maria Teresa Abreu, MD.

Papers5
Years published2012 to 2017

Mark Salem's papers by year, 2012 to 2017

Mark Salem's most frequent co-authors

Recent publications by Mark Salem

See all 5 publications and co-authors

See who Mark Salem researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Mark Salem works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Mark Samir Salem has worked on 1 clinical trial

Dmand AI links Mark Salem to 1 clinical trial. Conditions studied include Crohn Disease and Inflammatory Bowel Diseases.

Conditions in Mark Salem's trials

  • Crohn Disease
  • Inflammatory Bowel Diseases

Investigators on the most trials with Mark Salem

Recent clinical trials with Mark Salem

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Mark Samir Salem received $45,379 in industry payments from 2017 to 2025

CMS Open Payments shows 39 general payments to Mark Salem from 12 drug and device companies from 2017 to 2025. Grants make up the largest share, 88% of the total. Pfizer Inc. paid the most, $40,077.

General payments to Mark Salem by program year, 2017 to 2025

General payments to Mark Salem by kind, 2017 to 2025

$45.4Kin total
  • Grants$40,00088%
  • Consulting fees$2,9507%
  • Food and beverage$1,5914%
  • Travel and lodging$8382%

Companies that paid Mark Salem the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Mark Salem

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Mark Samir Salem graduated from University of Miami, Miller School of Medicine

Mark Salem graduated from University of Miami, Miller School of Medicine in 2012.

  1. Medical schoolUniversity of Miami, Miller School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Mark Samir Salem accepts plans from 12 insurance carriers

Mark Salem is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Alliant Health Plans
  • +4 more carriersWith a free account

Plan types Mark Salem accepts, by number of carriers

  1. PPO8
  2. Medicare7
  3. HMO6
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Mark Samir Salem's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mark Samir Salem

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Mark Samir Salem's NPI number?

Mark Samir Salem's NPI number is 1821356254. It was assigned on April 23, 2012, and it is active in the NPI Registry.

What does Mark Samir Salem specialize in?

Mark Samir Salem is a gastroenterologist in Orange, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Mark Samir Salem practice?

Mark Salem practices at 101 City Drive South, Orange, CA 92868. Mark Salem's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine.

What is Mark Samir Salem's office phone number?

The practice phone on file for Mark Salem is (714) 456-7890.

What is Mark Samir Salem's medical license number?

Mark Salem holds California license A127236, one of the licenses on file in 2 states.

Which states has Mark Samir Salem been licensed in?

Dmand AI has state licenses on file for Mark Salem in California (2013 to 2027) and Pennsylvania (2017 to 2026).

Which hospitals is Mark Samir Salem affiliated with?

Mark Salem practices at UCI Health - Orange in Orange, California.

What medical group is Mark Samir Salem part of?

Mark Salem is linked to UCI Health Physicians.

Does Mark Samir Salem accept Medicare?

Yes. CMS data shows Mark Salem billed Medicare for 34 services in 2024, and Mark Salem accepts Medicare assignment.

Does Mark Samir Salem offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Mark Salem as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Mark Samir Salem's MIPS score?

Mark Salem's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Mark Samir Salem see?

CMS counts 26 Medicare patients who saw Mark Salem in 2024, with an average age of 65.

Is Mark Samir Salem board certified?

Yes. Mark Salem is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Mark Samir Salem bill to Medicare?

In 2024, Mark Salem's most billed Medicare services were office visit, established patient (99214).

Where did Mark Samir Salem go to medical school?

Mark Salem graduated from University of Miami, Miller School of Medicine in 2012.

What drugs does Mark Samir Salem prescribe most?

In 2024 Medicare Part D data, Mark Salem's most prescribed drugs by claims were Stelara, Rinvoq and Colesevelam HCl.

Has Mark Samir Salem received payments from drug or device companies?

CMS Open Payments shows $45,379 in general payments to Mark Salem from 12 companies from 2017 to 2025. The largest total came from Pfizer Inc.

How long has Mark Samir Salem been practicing?

Mark Salem graduated from medical school in 2012, 14 years ago.

Does Mark Samir Salem do research?

Dmand AI links 5 publications to Mark Salem, published from 2012 to 2017. Mark Salem has worked on 1 clinical trial.

Who does Mark Samir Salem publish with?

Mark Salem's most frequent co-authors are Jason Ken Hou, MD (2 shared papers), Richa Shukla (2 shared papers) and Maria Teresa Abreu, MD (1 shared paper).

What insurance does Mark Samir Salem accept?

Mark Salem is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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