Dr. Karim Michael Jreije, DO

  • Ventura, CA
  • General surgeon
NPI1518311091PAC ID5193121978
Medicare services, 2024
302
Medicare patients, 2024
180
Part D claims, 2024
11
Publications
4
Hospital affiliations
3
Practice address
300 Hillmont Avenue, Ventura, CA 93003
Practice phone
Call (805) 652-6075
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ventura County Medical Center

Hospital · Ventura, California

See all 6 affiliations

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Dr. Karim Michael Jreije is a general surgeon in Ventura, California

Dr. Jreije practices at Ventura County Medical Center in Ventura, California, part of Ventura County Health Care Agency.

Dr. Jreije's NPI, 1518311091, was assigned on April 20, 2016. Dr. Jreije graduated from WesternU College of Osteopathic Medicine of the Pacific in 2016. Dr. Jreije holds California license 20A16527.

NPI and contact details
Medicare PAC ID
5193121978
NPI enumeration date
April 20, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(805) 652-6075
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Karim Michael Jreije practices at Ventura County Medical Center in Ventura, California

Dr. Jreije's primary practice is Ventura County Medical Center, at 300 Hillmont Avenue, Ventura, CA 93003 in Ventura County. The practice phone is (805) 652-6075.

Source: Dmand AI Affiliation Data

Dr. Karim Michael Jreije is affiliated with 4 sites of care and 2 medical groups

Dr. Jreije's primary practice is Ventura County Medical Center in Ventura, California, part of Ventura County Health Care Agency. Dr. Jreije is also affiliated with Community Memorial Hospital - Ventura. The medical group on file is Community Memorial Healthcare. Dmand AI also links Dr. Jreije to 1 more hospital, 1 therapy and rehab clinic and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Jreije

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

Dmand AI tracks the EHR system at Dr. Karim Michael Jreije's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jreije practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ventura County Medical CenterAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Karim Michael Jreije is one of 2,926 general surgeons in California

Surgery is Dr. Jreije's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Jreije is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Jreije's licenses on file in 2 states: California and Arizona.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense 20A16527 · 2018 to 2027 · taxonomy 208600000X
  • Arizona license2016 to 2017

Clinical focus

Dmand AI lists abdominal hernia repair surgery, appendectomy, chest trauma, collapsed lung, colon removal, esophagus, stomach, or upper small intestine surgery, gallbladder removal and gastrointestinal obstruction among the conditions Dr. Jreije treats.

General surgeons near Dr. Jreije

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. Karim Michael Jreije billed Medicare for 302 services in 2024

CMS data shows 302 Medicare services from Dr. Jreije across 4 procedure codes in 2024, for 180 Medicare patients. Medicare paid $32,683 for them.

Medicare services, 2024302
Medicare patients180
Paid by Medicare$32,683
Procedure codes4

Dr. Jreije's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2372024: 30227%

Where Dr. Jreije's Medicare services took place, 2024

  • In an office196%
  • In a facility28394%

Dr. Jreije compared with the California median for general surgeons, 2024

  • Dr. Jreije
  • California median
Medicare services
302vs 16682% above
Medicare patients
180vs 12149% above
Part D claims
11vs 3468% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Jreije'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 Dr. Jreije

Need commercial claims for Dr. Jreije?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Jreije and other general surgeons in California.

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

Dr. Karim Michael Jreije treated 180 Medicare patients in 2024, average age 75

CMS counts 180 Medicare patients who saw Dr. Jreije in 2024. The largest group is 65 to 74, with 70 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 52% are also on Medicaid. Their average risk score is 1.94, 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. Jreije's median patient age at 54, with 50% women.

Medicare patients, 2024180
Average age75
Average risk score1.94
Also on Medicaid52%

Dr. Jreije's Medicare patients by age, 2024

Dr. Jreije's Medicare patients by sex, 2024

  • Women9151%
  • Men8949%

Chronic conditions among Dr. Jreije's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol71%
  3. Arthritis61%
  4. Mood disorders46%
  5. Anxiety41%
  6. Diabetes41%
  7. Depression39%
  8. Chronic kidney disease34%

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

Dr. Jreije's patients across all payers

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

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women50%
  • Men50%

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

Dr. Karim Michael Jreije wrote 11 Medicare Part D claims in 2024

In 2024, Dr. Jreije wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $71 in total drug cost. In 2019, CMS named 44 claims across 1 drug.

Part D claims, 202411
Drugs named by CMS1
Total drug cost$71

Dr. Jreije's most prescribed drugs by claims, 2020

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, 2019 to 2020

  • 2019
  • 2020
Claims for drugs CMS names
2019: 442020: 1175%

Drugs named by CMS: 1 in 2020, 1 in 2019.

See all prescribing by Dr. Jreije

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. Karim Michael Jreije takes part in Medicare

Dr. Jreije accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair (minimally invasive): 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. Karim Michael Jreije has 4 publications on record

Dmand AI links 4 papers to Dr. Jreije, published from 2015 to 2020. 2020 was the busiest year, with 2. Dr. Jreije's most frequent co-authors are Ahmed Nowaf Dehal, MD, Joseph Alexander Eisner, MD and Farabi M. Hussain, MD.

Papers4
Years published2015 to 2020

Dr. Jreije's papers by year, 2015 to 2020

Dr. Jreije's most frequent co-authors

Recent publications by Dr. Jreije

See all 4 publications and co-authors

See who Dr. Jreije researches with

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

How network discovery works

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

Dr. Karim Michael Jreije received $8,120 in industry payments from 2018 to 2025

CMS Open Payments shows 44 general payments to Dr. Jreije from 7 drug and device companies from 2018 to 2025. Travel and lodging make up the largest share, 65% of the total. Intuitive Surgical, Inc. paid the most, $5,734.

General payments to Dr. Jreije by program year, 2018 to 2025

General payments to Dr. Jreije by kind, 2018 to 2025

$8.1Kin total
  • Travel and lodging$5,27465%
  • Education$1,75022%
  • Food and beverage$1,08313%
  • Gifts$140%

Companies that paid Dr. Jreije the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Jreije

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

Dr. Karim Michael Jreije has 1 award and honors on record

Dmand AI lists 1 award for Dr. Jreije, most recently Member in 2013.

Awards and honors for Dr. Jreije

  1. 2013
    • Member

Source: Dmand AI Professional Profile Data

Dr. Karim Michael Jreije graduated from WesternU College of Osteopathic Medicine of the Pacific

Dr. Jreije graduated from WesternU College of Osteopathic Medicine of the Pacific in 2016.

  1. Medical schoolWesternU College of Osteopathic Medicine of the Pacific
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Karim Michael Jreije accepts plans from 7 insurance carriers

Dr. Jreije is in network with 7 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Jreije accepts, by number of carriers

  1. Medicare6
  2. PPO6
  3. HMO3
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Karim Michael Jreije'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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 Dr. Karim Michael Jreije

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. Karim Michael Jreije's NPI number?

Dr. Karim Michael Jreije's NPI number is 1518311091. It was assigned on April 20, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Karim Michael Jreije?

Dr. Karim Michael Jreije is a general surgeon in Ventura, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Karim Michael Jreije practice?

Dr. Jreije practices at 300 Hillmont Avenue, Ventura, CA 93003. Dr. Jreije's primary practice is Ventura County Medical Center in Ventura, California, part of Ventura County Health Care Agency. Dmand AI also links Dr. Jreije to 1 hospital, 1 therapy and rehab clinic and 1 medical group.

What is Dr. Karim Michael Jreije's office phone number?

The practice phone on file for Dr. Jreije is (805) 652-6075.

What is Dr. Karim Michael Jreije's medical license number?

Dr. Jreije holds California license 20A16527, one of the licenses on file in 2 states.

Which states has Dr. Karim Michael Jreije been licensed in?

Dmand AI has state licenses on file for Dr. Jreije in California (2018 to 2027) and Arizona (2016 to 2017).

Which hospitals is Dr. Karim Michael Jreije affiliated with?

Dr. Jreije practices at Ventura County Medical Center in Ventura, California. Dr. Jreije is also affiliated with Community Memorial Hospital - Ventura. Dmand AI links Dr. Jreije to 1 more hospital.

What medical group is Dr. Karim Michael Jreije part of?

Dr. Jreije is linked to Community Memorial Healthcare. Dmand AI links Dr. Jreije to 1 more medical group.

Does Dr. Karim Michael Jreije accept Medicare?

Yes. CMS data shows Dr. Jreije billed Medicare for 302 services in 2024, and Dr. Jreije accepts Medicare assignment.

How many Medicare patients does Dr. Karim Michael Jreije see?

CMS counts 180 Medicare patients who saw Dr. Jreije in 2024, with an average age of 75.

Show 9 more questionsShow fewer questions

Is Dr. Karim Michael Jreije board certified?

Yes. Dr. Jreije is board certified in surgery by the American Board of Surgery.

What services does Dr. Karim Michael Jreije bill to Medicare?

In 2024, Dr. Jreije's most billed Medicare services were hospital inpatient care (99233), critical care (99291) and hospital inpatient care (99232).

Where did Dr. Karim Michael Jreije go to medical school?

Dr. Jreije graduated from WesternU College of Osteopathic Medicine of the Pacific in 2016.

What drugs does Dr. Karim Michael Jreije prescribe most?

In 2020 Medicare Part D data, Dr. Jreije's most prescribed drugs by claims were Oxycodone HCl.

Has Dr. Karim Michael Jreije received payments from drug or device companies?

CMS Open Payments shows $8,120 in general payments to Dr. Jreije from 7 companies from 2018 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Karim Michael Jreije been practicing?

Dr. Jreije graduated from medical school in 2016, 10 years ago.

Does Dr. Karim Michael Jreije do research?

Dmand AI links 4 publications to Dr. Jreije, published from 2015 to 2020.

Who does Dr. Karim Michael Jreije publish with?

Dr. Jreije's most frequent co-authors are Ahmed Nowaf Dehal, MD (1 shared paper), Joseph Alexander Eisner, MD (1 shared paper) and Farabi M. Hussain, MD (1 shared paper).

What insurance does Dr. Karim Michael Jreije accept?

Dr. Jreije is in network with 7 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

Selling to surgery practices?

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