Dr. Gibran Hamid Mahmud, MD

  • Glen Carbon, IL
  • Hematologist and oncologist
NPI1518132489PAC ID6901077593
Medicare services, 2024
366,882
Medicare patients, 2024
991
Part D claims, 2024
2,787
Publications
2
MIPS score, 2024
100
Practice address
4215 State Rte 159, Glen Carbon, IL 62034
Practice phone
Call (618) 263-4337
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Oakview Heights Cont. Care & Rehab

Glen Carbon, Illinois

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Dr. Gibran Hamid Mahmud is a hematologist and oncologist in Glen Carbon, Illinois

Dr. Mahmud practices at Oakview Heights Cont. Care & Rehab in Glen Carbon, Illinois.

Dr. Mahmud's NPI, 1518132489, was assigned on April 23, 2008. Dr. Mahmud holds Missouri license 2011020105.

NPI and contact details
Medicare PAC ID
6901077593
NPI enumeration date
April 23, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(618) 263-4337
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

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

Dr. Gibran Hamid Mahmud practices at Oakview Heights Cont. Care & Rehab in Glen Carbon, Illinois

Dr. Mahmud's primary practice is Oakview Heights Cont. Care & Rehab, at 4215 State Rte 159, Glen Carbon, IL 62034 in Madison County. The practice phone is (618) 263-4337.

  • Oakview Heights Cont. Care & Rehab
    4215 State Rte 159, Glen Carbon, IL 62034 · Madison CountyPhone(618) 263-4337

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Gibran Hamid Mahmud is affiliated with 9 sites of care and 1 medical group

Dr. Mahmud's primary practice is Oakview Heights Cont. Care & Rehab in Glen Carbon, Illinois. Dr. Mahmud is also affiliated with HSHS St. Elizabeth's Hospital. The medical group on file is Cancer Care Specialists of IL. Dmand AI also links Dr. Mahmud to 4 more hospitals, 1 group practice or clinic, 1 hospice and 1 skilled nursing facility, each named with a free account.

See all 10 affiliations for Dr. Mahmud

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Gibran Hamid Mahmud's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mahmud practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Oakview Heights Cont. Care & RehabAvailable with a free account
+8 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Gibran Hamid Mahmud is one of 563 hematologists and oncologists in Illinois

Hematology and oncology is Dr. Mahmud's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Mahmud is licensed in Missouri.

Specialties and state licenses

  • Hematology and oncology, MissouriPrimaryLicense 2011020105 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Mahmud

Counts of hematologists and oncologists 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. Gibran Hamid Mahmud billed Medicare for 366,882 services in 2024

CMS data shows 366,882 Medicare services from Dr. Mahmud across 85 procedure codes in 2024, for 991 Medicare patients. Medicare paid $2,994,009 for them.

Medicare services, 2024366,882
Medicare patients991
Paid by Medicare$3M
Procedure codes85

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

  • 2023
  • 2024
Drugs given in the office
2023: 253,3282024: 274,5988%
Other services
2023: 27,0812024: 71,208163%
Lab and pathology
2023: 7,6402024: 9,09419%
Tests and treatments
2023: 6,5022024: 6,8866%
Office and hospital visits
2023: 3,5222024: 3,5441%
Surgery
2023: 1,3382024: 1,53315%
Imaging
2023: 02024: 19

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

  • In an office366,778100%
  • In a facility1040%

Dr. Mahmud compared with the Illinois median for hematologists and oncologists, 2024

  • Dr. Mahmud
  • Illinois median
Medicare services
366,882vs 1,056347.4 times
Medicare patients
991vs 2823.5 times
Part D claims
2,444vs 3287.5 times

Medians across 547 hematologists and oncologists in Illinois with Dmand AI profiles that report each measure.

Dr. Mahmud'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. Mahmud

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

Dr. Gibran Hamid Mahmud treated 991 Medicare patients in 2024, average age 74

CMS counts 991 Medicare patients who saw Dr. Mahmud in 2024. The largest group is 65 to 74, with 385 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.87, 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. Mahmud's median patient age at 74, with 60% women.

Medicare patients, 2024991
Average age74
Average risk score1.87
Also on Medicaid25%

Dr. Mahmud's Medicare patients by age, 2024

Dr. Mahmud's Medicare patients by sex, 2024

  • Women58459%
  • Men40741%

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

  1. High blood pressure75%
  2. High cholesterol71%
  3. Arthritis49%
  4. Cancer46%
  5. Diabetes38%
  6. Chronic kidney disease34%
  7. Ischemic heart disease32%
  8. COPD29%

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

Dr. Mahmud's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women60%
  • Men40%

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

Dr. Gibran Hamid Mahmud wrote 2,787 Medicare Part D claims in 2024

In 2024, Dr. Mahmud wrote 2,787 Medicare Part D claims for 399 patients. 80% of them were for generic drugs. CMS names the drug for 2,444 of them, across 60 drugs with 11 or more claims each, at $4,808,222 in total drug cost. In 2023, CMS named 2,320 claims across 65 drugs.

Part D claims, 20242,787
Drugs named by CMS60
Total drug cost$4.8M
Part D patients399

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

  • Generic2,239 claims80%
  • Brand-name and other548 claims20%

Dr. Mahmud'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. Mahmud's Part D claims, 2024

  • Opioids10%286 of 2,787 claims
  • Antibiotics3%85 of 2,787 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: 2,3202024: 2,4445%

Drugs named by CMS: 60 in 2024, 65 in 2023.

See all prescribing by Dr. Mahmud

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. Gibran Hamid Mahmud 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 Dr. Mahmud for performance year 2024, reported as part of a group. Dr. Mahmud accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mahmud as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Mahmud's MIPS scores, performance year 2024

  • 100of 100Final score
  • 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

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Dr. Gibran Hamid Mahmud has 2 publications on record

Dmand AI links 2 papers to Dr. Mahmud, published from 2013 to 2014. Dr. Mahmud's most frequent co-authors are Mark Joseph Fesler, MD and Bahar Bastani, MD.

Papers2
Years published2013 to 2014

Dr. Mahmud's most frequent co-authors

Recent publications by Dr. Mahmud

See all 2 publications and co-authors

See who Dr. Mahmud researches with

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

How network discovery works

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

Dr. Gibran Hamid Mahmud received $26,522 in industry payments from 2016 to 2025

CMS Open Payments shows 1,534 general payments to Dr. Mahmud from 78 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Novartis Pharmaceuticals Corporation paid the most, $3,021.

General payments to Dr. Mahmud by program year, 2016 to 2025

General payments to Dr. Mahmud by kind, 2016 to 2025

$26.5Kin total
  • Food and beverage$25,72197%
  • Education$6512%
  • Honoraria$1501%

Companies that paid Dr. Mahmud the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Mahmud

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

Sources for Dr. Gibran Hamid Mahmud'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
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. Gibran Hamid Mahmud

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. Gibran Hamid Mahmud's NPI number?

Dr. Gibran Hamid Mahmud's NPI number is 1518132489. It was assigned on April 23, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Gibran Hamid Mahmud?

Dr. Gibran Hamid Mahmud is a hematologist and oncologist in Glen Carbon, Illinois. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Gibran Hamid Mahmud practice?

Dr. Mahmud practices at 4215 State Rte 159, Glen Carbon, IL 62034. Dr. Mahmud's primary practice is Oakview Heights Cont. Care & Rehab in Glen Carbon, Illinois. Dmand AI also links Dr. Mahmud to 4 hospitals, 1 group practice or clinic, 1 hospice and 1 skilled nursing facility.

What is Dr. Gibran Hamid Mahmud's office phone number?

The practice phone on file for Dr. Mahmud is (618) 263-4337.

What is Dr. Gibran Hamid Mahmud's medical license number?

Dr. Mahmud holds Missouri license 2011020105.

Which hospitals is Dr. Gibran Hamid Mahmud affiliated with?

Dr. Mahmud is affiliated with HSHS St. Elizabeth's Hospital. Dmand AI links Dr. Mahmud to 4 more hospitals.

What medical group is Dr. Gibran Hamid Mahmud part of?

Dr. Mahmud is linked to Cancer Care Specialists of IL.

Does Dr. Gibran Hamid Mahmud accept Medicare?

Yes. CMS data shows Dr. Mahmud billed Medicare for 366,882 services in 2024, and Dr. Mahmud accepts Medicare assignment.

Does Dr. Gibran Hamid Mahmud offer telehealth?

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

What is Dr. Gibran Hamid Mahmud's MIPS score?

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

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Gibran Hamid Mahmud see?

CMS counts 991 Medicare patients who saw Dr. Mahmud in 2024, with an average age of 74.

What services does Dr. Gibran Hamid Mahmud bill to Medicare?

In 2024, Dr. Mahmud's most billed Medicare services were injected or infused drug (J1439), medicare temporary code (Q5125) and injected or infused drug (J9299).

What drugs does Dr. Gibran Hamid Mahmud prescribe most?

In 2024 Medicare Part D data, Dr. Mahmud's most prescribed drugs by claims were Anastrozole, Ondansetron HCl and Prochlorperazine Maleate.

Has Dr. Gibran Hamid Mahmud received payments from drug or device companies?

CMS Open Payments shows $26,522 in general payments to Dr. Mahmud from 78 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Dr. Gibran Hamid Mahmud been practicing?

Dr. Mahmud graduated from medical school in 2008, 18 years ago.

Does Dr. Gibran Hamid Mahmud do research?

Dmand AI links 2 publications to Dr. Mahmud, published from 2013 to 2014.

Who does Dr. Gibran Hamid Mahmud publish with?

Dr. Mahmud's most frequent co-authors are Mark Joseph Fesler, MD (2 shared papers) and Bahar Bastani, MD (1 shared paper).

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