Dr. Hussein Abbas, MD, PhD

  • Houston, TX
  • Internist
NPI1609220532PAC ID9537468905
Medicare services, 2024
386
Medicare patients, 2024
93
Part D claims, 2024
206
Publications
75
MIPS score, 2024
84
Practice address
1515 Holcombe Blvd, Houston, TX 77030
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

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Dr. Hussein Abbas is an internist in Houston, Texas

Dr. Abbas practices at The University of Texas MD Anderson Cancer Center in Houston, Texas, part of The University of Texas System.

Dr. Abbas' NPI, 1609220532, was assigned on April 18, 2016. Dr. Abbas graduated from American University of Beirut Faculty of Medicine in 2014. Dr. Abbas' Texas license number on file is R8851.

NPI and contact details
Medicare PAC ID
9537468905
NPI enumeration date
April 18, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
38
Medical school graduation
2014

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

Dr. Hussein Abbas practices at The University of Texas MD Anderson Cancer Center in Houston, Texas

Dr. Abbas' primary practice is The University of Texas MD Anderson Cancer Center, at 1515 Holcombe Blvd, Houston, TX 77030.

Source: Dmand AI Affiliation Data

Dr. Hussein Abbas is affiliated with 1 site of care and 1 medical group

Dr. Abbas' primary practice is The University of Texas MD Anderson Cancer Center in Houston, Texas, part of The University of Texas System. The medical group on file is Physicians Referral Service.

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

Dmand AI tracks the EHR system at Dr. Hussein Abbas' practice

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

EHR by site
SiteEHR vendor and product
The University of Texas MD Anderson Cancer CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Hussein Abbas is one of 8,437 internists in Texas

Internal medicine is Dr. Abbas' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Abbas is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Abbas' licenses on file in 10 states: Texas, Florida, Arizona, Alabama, Georgia, Mississippi, Oklahoma, Tennessee, Washington and Louisiana.

Specialties and state licenses

  • Internal medicine, TexasPrimaryLicense R8851 · 2018 to 2025 · taxonomy 207R00000X
  • Florida licenseSince 2021
  • Arizona license2022 to 2026
  • Alabama license2023 to 2025
  • Georgia license2022 to 2025
  • Mississippi license2022 to 2025
  • Oklahoma license2022 to 2025
  • Tennessee license2022 to 2025
  • Washington license2022 to 2025
  • Louisiana license2022 to 2024

Clinical focus

Dmand AI lists anemia, dementia, fluid and electrolyte imbalances, gastrointestinal inflammation, headaches, kidney failure, sepsis and traumatic arthropathy among the conditions Dr. Abbas treats.

Internists near Dr. Abbas

Counts of internists 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. Hussein Abbas billed Medicare for 386 services in 2024

CMS data shows 386 Medicare services from Dr. Abbas across 4 procedure codes in 2024, for 93 Medicare patients. Medicare paid $35,981 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024386
Medicare patients93
Paid by Medicare$35,981
Procedure codes4

Dr. Abbas' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5582024: 38631%

Dr. Abbas compared with the Texas median for internists, 2024

  • Dr. Abbas
  • Texas median
Medicare services
386vs 53928% below
Medicare patients
93vs 19051% below
Part D claims
49vs 28983% below

Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.

Dr. Abbas' 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. Abbas

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

Dr. Hussein Abbas treated 93 Medicare patients in 2024, average age 72

CMS counts 93 Medicare patients who saw Dr. Abbas in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 4.08, 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. Abbas' median patient age at 68, with 54% women.

Medicare patients, 202493
Average age72
Average risk score4.08

Dr. Abbas' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Abbas' Medicare patients by sex, 2024

  • Women3740%
  • Men5660%

Chronic conditions among Dr. Abbas' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Mood disorders58%
  4. Arthritis55%
  5. Chronic kidney disease54%
  6. Anxiety53%
  7. Diabetes45%
  8. Ischemic heart disease43%

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

Dr. Abbas' patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women54%
  • Men46%

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

Dr. Hussein Abbas wrote 206 Medicare Part D claims in 2024

In 2024, Dr. Abbas wrote 206 Medicare Part D claims for 49 patients. 76% of them were for generic drugs. CMS names the drug for 49 of them, across 3 drugs with 11 or more claims each, at $22,863 in total drug cost. In 2023, CMS named 70 claims across 4 drugs.

Part D claims, 2024206
Drugs named by CMS3
Total drug cost$22,863
Part D patients49

Dr. Abbas' Part D claims by kind of drug, 2024

  • Generic156 claims76%
  • Brand-name and other50 claims24%

Dr. Abbas' 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. Abbas' Part D claims, 2024

  • Antibiotics19%39 of 206 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: 702024: 4930%

Drugs named by CMS: 3 in 2024, 4 in 2023.

See all prescribing by Dr. Abbas

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. Hussein Abbas scored 84 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Abbas for performance year 2024, reported as part of a group. Dr. Abbas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Abbas as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Abbas' MIPS scores, performance year 2024

  • 84of 100Final score
  • 70.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 68of 100Cost

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

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Dr. Hussein Abbas has 75 publications on record

Dmand AI links 75 papers to Dr. Abbas, published from 2011 to 2025. 2024 was the busiest year, with 12. The most frequent topics are Leukemia, Myeloid, Acute, Lebanon and Antineoplastic Combined Chemotherapy Protocols. Dr. Abbas has published most often in Blood Adv. Dr. Abbas' most frequent co-authors are Naval Gustad Daver, MBBS, Tapan M. Kadia, MD and Gautam Borthakur, MD.

Papers75
Years published2011 to 2025

Dr. Abbas' papers by year, 2015 to 2025

Topics Dr. Abbas writes about most

  • Leukemia, Myeloid, Acute
  • Lebanon
  • Antineoplastic Combined Chemotherapy Protocols
  • Tumor Suppressor Protein p53
  • Azacitidine
  • Bridged Bicyclo Compounds, Heterocyclic
  • CD8-Positive T-Lymphocytes
  • Hematopoietic Stem Cell Transplantation

Dr. Abbas' most frequent co-authors

Recent publications by Dr. Abbas

See all 75 publications and co-authors

See who Dr. Abbas researches with

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

How network discovery works

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

Dr. Hussein Abbas received $298 in industry payments from 2020 to 2025

CMS Open Payments shows 5 general payments to Dr. Abbas from 5 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $117.

General payments to Dr. Abbas by program year, 2020 to 2025

Companies that paid Dr. Abbas the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Abbas

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

Dr. Hussein Abbas has 9 awards and honors on record

Dmand AI lists 9 awards for Dr. Abbas, most recently Kimberly Patterson Fellowship In Leukemia Research in 2020.

Awards and honors for Dr. Abbas

  1. 2020
    • Kimberly Patterson Fellowship In Leukemia Research
  2. 2019
    • Young Investigator Award
  3. 2016
    • Odyssey Scholar
  4. 2009
    • Best Poster Award
    • Floyd Haar Endowed Memorial Research Award
    • William A. and Madelyn Welder Smith Foundation Fellowship
See all 9 awards

Source: Dmand AI Professional Profile Data

Dr. Hussein Abbas graduated from American University of Beirut Faculty of Medicine

Dr. Abbas graduated from American University of Beirut Faculty of Medicine in 2014.

  1. Medical schoolAmerican University of Beirut Faculty of Medicine
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Hussein Abbas accepts plans from 14 insurance carriers

Dr. Abbas is in network with 14 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Alliant Health Plans
  • HCSC
  • Baylor Scott and White
  • Blue Cross and Blue Shield of Kansas City
  • +6 more carriersWith a free account

Plan types Dr. Abbas accepts, by number of carriers

  1. HMO9
  2. PPO8
  3. POS5
  4. Medicare4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Hussein Abbas'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
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. Hussein Abbas

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. Hussein Abbas' NPI number?

Dr. Hussein Abbas' NPI number is 1609220532. It was assigned on April 18, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Hussein Abbas?

Dr. Hussein Abbas is an internist in Houston, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Hussein Abbas practice?

Dr. Abbas practices at 1515 Holcombe Blvd, Houston, TX 77030. Dr. Abbas' primary practice is The University of Texas MD Anderson Cancer Center in Houston, Texas, part of The University of Texas System.

What is Dr. Hussein Abbas' medical license number?

Dr. Abbas' Texas license number on file is R8851, one of the licenses on file in 10 states.

Which states has Dr. Hussein Abbas been licensed in?

Dmand AI has state licenses on file for Dr. Abbas in Texas (2018 to 2025), Florida (since 2021), Arizona (2022 to 2026), Alabama (2023 to 2025), Georgia (2022 to 2025), Mississippi (2022 to 2025), Oklahoma (2022 to 2025), Tennessee (2022 to 2025), Washington (2022 to 2025) and Louisiana (2022 to 2024).

Which hospitals is Dr. Hussein Abbas affiliated with?

Dr. Abbas practices at The University of Texas MD Anderson Cancer Center in Houston, Texas.

What medical group is Dr. Hussein Abbas part of?

Dr. Abbas is linked to Physicians Referral Service.

Does Dr. Hussein Abbas accept Medicare?

Yes. CMS data shows Dr. Abbas billed Medicare for 386 services in 2024, and Dr. Abbas accepts Medicare assignment.

Does Dr. Hussein Abbas offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Abbas as offering telehealth services.

What is Dr. Hussein Abbas' MIPS score?

Dr. Abbas' MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Hussein Abbas see?

CMS counts 93 Medicare patients who saw Dr. Abbas in 2024, with an average age of 72.

Is Dr. Hussein Abbas board certified?

Yes. Dr. Abbas is board certified in hematology by the American Board of Internal Medicine.

What services does Dr. Hussein Abbas bill to Medicare?

In 2024, Dr. Abbas' most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).

Where did Dr. Hussein Abbas go to medical school?

Dr. Abbas graduated from American University of Beirut Faculty of Medicine in 2014.

What drugs does Dr. Hussein Abbas prescribe most?

In 2024 Medicare Part D data, Dr. Abbas' most prescribed drugs by claims were Venclexta, Valacyclovir and Levofloxacin.

Has Dr. Hussein Abbas received payments from drug or device companies?

CMS Open Payments shows $298 in general payments to Dr. Abbas from 5 companies from 2020 to 2025. The largest total came from Novo Nordisk Inc.

How long has Dr. Hussein Abbas been practicing?

Dr. Abbas graduated from medical school in 2014, 12 years ago.

Does Dr. Hussein Abbas do research?

Dmand AI links 75 publications to Dr. Abbas, published from 2011 to 2025.

Who does Dr. Hussein Abbas publish with?

Dr. Abbas' most frequent co-authors are Naval Gustad Daver, MBBS (26 shared papers), Tapan M. Kadia, MD (20 shared papers) and Gautam Borthakur, MD (19 shared papers).

What insurance does Dr. Hussein Abbas accept?

Dr. Abbas is in network with 14 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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