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Dr. Michael Abecassis, MD
NPI1134117377
- Medicare services, 2019
- 15
- Part D claims, 2019
- 15
- Publications
- 146
- Clinical trials
- 3
- Industry payments
- $1,331
- Practice address
- 1501 N Campbell Ave, Tucson, AZ 85724
- Practice phone
- Call (520) 626-2761
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University of Arizona
Tucson, Arizona
Find Dr. Abecassis' 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. Michael Abecassis is a transplant surgery physician in Tucson, Arizona
Dr. Abecassis practices at University of Arizona in Tucson, Arizona.
Dr. Abecassis' NPI, 1134117377, was assigned on October 12, 2005. Dr. Abecassis holds Illinois license 036084985.
NPI and contact details
- NPI
- 1134117377NPI Registry (opens in a new tab)
- NPI enumeration date
- October 12, 2005
- NPI status
- Active
- Practice phone
- (520) 626-2761
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Michael Abecassis practices at University of Arizona in Tucson, Arizona
Dr. Abecassis' primary practice is University of Arizona, at 1501 N Campbell Ave, Tucson, AZ 85724 in Pima County. The practice phone is (520) 626-2761.
- University of Arizona1501 N Campbell Ave, Tucson, AZ 85724 · Pima CountyPhone(520) 626-2761
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Abecassis is affiliated with 1 site of care and 1 medical group
Dr. Abecassis' primary practice is University of Arizona in Tucson, Arizona. The medical group on file is Banner Medical Group.
University of ArizonaPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael Abecassis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Abecassis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Arizona | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Abecassis is one of 25 transplant surgery physicians in Arizona
Transplant surgery is Dr. Abecassis' primary specialty in the NPI Registry, under taxonomy code 204F00000X. Dr. Abecassis is licensed in Illinois.
Specialties and state licenses
- Transplant surgery, IllinoisPrimary
Transplant surgery physicians near Dr. Abecassis
Counts of transplant surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
25transplant surgery physicians in Arizona
3transplant surgery physicians in Tucson
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael Abecassis billed Medicare for 15 services in 2019
CMS data shows 15 Medicare services from Dr. Abecassis across 1 procedure code in 2019, all of them office visits. Medicare paid $1,431 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201915
Paid by Medicare$1,431
Procedure codes1
Dr. Abecassis' Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 992019: 1585%
Dr. Abecassis compared with the Arizona median for transplant surgery physicians, 2019
- Dr. Abecassis
- Arizona median
- Medicare services
- 15vs 9785% below
- Part D claims
- 15vs 4264% below
Medians across 22 transplant surgery physicians in Arizona with Dmand AI profiles that report each measure.
Dr. Abecassis' most billed Medicare procedure codes, 2019
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. Abecassis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Abecassis and other transplant surgery physicians in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Abecassis' patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Abecassis' median patient age at 66, with 50% women.
Dr. Abecassis' 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
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Michael Abecassis wrote 15 Medicare Part D claims in 2019
In 2019, Dr. Abecassis wrote 15 Medicare Part D claims. They cover 1 drug, with $61 in total drug cost. In 2017, CMS named 50 claims across 4 drugs.
Part D claims, 201915
Drugs named by CMS1
Total drug cost$61
Dr. Abecassis' most prescribed drugs by claims, 2019
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, 2017 to 2019
- 2017
- 2019
- Claims for drugs CMS names
- 2017: 502019: 1570%
Drugs named by CMS: 1 in 2019, 4 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Michael Abecassis has 146 publications on record
Dmand AI links 146 papers to Dr. Abecassis, published from 2010 to 2023. 2016 was the busiest year, with 16. The most frequent topics are Kidney Transplantation, Liver Transplantation and Graft Rejection. Dr. Abecassis has published most often in Am J Transplant. Dr. Abecassis' most frequent co-authors are John Judd Friedewald, MD, Laura M. Kulik, MD and Riad Salem, MD.
Papers146
Years published2010 to 2023
Dr. Abecassis' papers by year, 2014 to 2023
Topics Dr. Abecassis writes about most
- Kidney Transplantation
- Liver Transplantation
- Graft Rejection
- Graft Survival
- Tissue Donors
- Tissue and Organ Procurement
- Kidney
- Living Donors
Dr. Abecassis' most frequent co-authors
- John Judd Friedewald, MD32 shared papers
- Laura M. Kulik, MD27 shared papers
- Riad Salem, MD27 shared papers
Recent publications by Dr. Abecassis
Hemangioma, CavernousLiver TransplantationPortal Vein
Am J Transplant
Cell-Free Nucleic AcidsGraft RejectionKidney Transplantation
Transplantation
Graft RejectionKidney TransplantationLiver Transplantation
See who Dr. Abecassis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Abecassis works with, so you can find a warm path to the right transplant surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael Abecassis has worked on 3 clinical trials
Dmand AI links Dr. Abecassis to 3 clinical trials, 2 of them phase 2 studies. Conditions studied include Carcinoma, Hepatocellular, End Stage Liver Disease and Liver Failure.
Conditions in Dr. Abecassis' trials
- Carcinoma, Hepatocellular
- End Stage Liver Disease
- Liver Failure
- Liver Neoplasms
Investigators on the most trials with Dr. Abecassis
- Abhinav Humar, MD3 shared trials
- Jean Crawford Emond, MD2 shared trials
- Goran B. G. Klintmalm, MD2 shared trials
Recent clinical trials with Dr. Abecassis
Evaluation of Donor Specific Immune Senescence and Exhaustion as Biomarkers of Tolerance Post Liver Transplantation (opens in a new tab)
CompletedPhase 2
Immunosuppression withdrawal
Sorafenib Tosylate Following a Liver Transplant in Treating Patients With Liver Cancer (opens in a new tab)
CompletedPhase 2
Carcinoma, HepatocellularLiver NeoplasmsSorafenib tosylate
End Stage Liver DiseaseLiver Failure
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Michael Abecassis received $1,331 in industry payments from 2016 to 2024
CMS Open Payments shows 4 general payments to Dr. Abecassis from 3 drug and device companies from 2016 to 2024. Education make up the largest share, 64% of the total. Roche Molecular Systems, Inc. paid the most, $850.
General payments to Dr. Abecassis by program year, 2016 to 2024
General payments to Dr. Abecassis by kind, 2016 to 2024
$1.3Kin total
- Education$85064%
- Food and beverage$48136%
Companies that paid Dr. Abecassis the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Michael Abecassis'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| 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. Michael Abecassis
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. Michael Abecassis' NPI number?
Dr. Michael Abecassis' NPI number is 1134117377. It was assigned on October 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Abecassis?
Dr. Michael Abecassis is a transplant surgery physician in Tucson, Arizona. The primary specialty in the NPI Registry is Transplant Surgery Physician (taxonomy code 204F00000X).
Where does Dr. Michael Abecassis practice?
Dr. Abecassis practices at 1501 N Campbell Ave, Tucson, AZ 85724. Dr. Abecassis' primary practice is University of Arizona in Tucson, Arizona.
What is Dr. Michael Abecassis' office phone number?
The practice phone on file for Dr. Abecassis is (520) 626-2761.
What is Dr. Michael Abecassis' medical license number?
Dr. Abecassis holds Illinois license 036084985.
What medical group is Dr. Michael Abecassis part of?
Dr. Abecassis is linked to Banner Medical Group.
Does Dr. Michael Abecassis accept Medicare?
Yes. CMS data shows Dr. Abecassis billed Medicare for 15 services in 2019.
What services does Dr. Michael Abecassis bill to Medicare?
In 2019, Dr. Abecassis' most billed Medicare services were office visit, established patient (99215).
What drugs does Dr. Michael Abecassis prescribe most?
In 2019 Medicare Part D data, Dr. Abecassis' most prescribed drugs by claims were Sulfamethoxazole-Trimethoprim.
Has Dr. Michael Abecassis received payments from drug or device companies?
CMS Open Payments shows $1,331 in general payments to Dr. Abecassis from 3 companies from 2016 to 2024. The largest total came from Roche Molecular Systems, Inc.
Show 3 more questionsShow fewer questions
How long has Dr. Michael Abecassis been practicing?
Dr. Abecassis graduated from medical school in 1983, 43 years ago.
Does Dr. Michael Abecassis do research?
Dmand AI links 146 publications to Dr. Abecassis, published from 2010 to 2023. Dr. Abecassis has worked on 3 clinical trials.
Who does Dr. Michael Abecassis publish with?
Dr. Abecassis' most frequent co-authors are John Judd Friedewald, MD (32 shared papers), Laura M. Kulik, MD (27 shared papers) and Riad Salem, MD (27 shared papers).
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