Ambulatory Care FacilitiesAppointments and SchedulesGastroenterology
Dr. Louma Basma Rustam, MD
NPI1164918140PAC ID8123370939
- Medicare services, 2024
- 190
- Medicare patients, 2024
- 114
- Part D claims, 2024
- 283
- Publications
- 3
- Hospital affiliations
- 1
- Practice address
- 301 University Boulevard, Galveston, TX 77555
- Practice phone
- Call (409) 772-1011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Rustam's professional email, personal email and mobile number
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Dr. Louma Basma Rustam is a gastroenterologist in Galveston, Texas
Dr. Rustam practices at John Sealy Hospital in Galveston, Texas, part of The University of Texas System.
Dr. Rustam's NPI, 1164918140, was assigned on July 2, 2018. Dr. Rustam holds Iowa license MD-53111.
NPI and contact details
- NPI
- 1164918140NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123370939
- NPI enumeration date
- July 2, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (409) 772-1011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Louma Basma Rustam practices at John Sealy Hospital in Galveston, Texas
Dr. Rustam's primary practice is John Sealy Hospital, at 301 University Boulevard, Galveston, TX 77555 in Galveston County. The practice phone is (409) 772-1011.
- John Sealy Hospital301 University Boulevard, Galveston, TX 77555 · Galveston CountyPhone(409) 772-1011
Source: Dmand AI Affiliation Data
Dr. Louma Basma Rustam is affiliated with 3 sites of care and 2 medical groups
Dr. Rustam's primary practice is John Sealy Hospital in Galveston, Texas, part of The University of Texas System. The medical group on file is UTMB Faculty Group Practice. Dmand AI also links Dr. Rustam to 2 more group practices and clinics and 1 medical group, each named with a free account.
UTMB Faculty Group Practice2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. RustamSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Louma Basma Rustam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rustam practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Sealy Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Louma Basma Rustam is one of 1,341 gastroenterologists in Texas
Gastroenterology is Dr. Rustam's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Rustam is licensed in Iowa.
Specialties and state licenses
- Gastroenterology, IowaPrimary
Gastroenterologists near Dr. Rustam
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
1,341gastroenterologists in Texas20gastroenterologists in Galveston17gastroenterologists at John Sealy Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Louma Basma Rustam billed Medicare for 190 services in 2024
CMS data shows 190 Medicare services from Dr. Rustam across 7 procedure codes in 2024, for 114 Medicare patients. Medicare paid $20,440 for them.
Medicare services, 2024190
Medicare patients114
Paid by Medicare$20,440
Procedure codes7
Dr. Rustam's Medicare services by type, 2024
- Office and hospital visits115
- Surgery75
Where Dr. Rustam's Medicare services took place, 2024
- In an office10254%
- In a facility8846%
Dr. Rustam compared with the Texas median for gastroenterologists, 2024
- Dr. Rustam
- Texas median
- Medicare services
- 190vs 50562% below
- Medicare patients
- 114vs 28460% below
- Part D claims
- 183vs 49363% below
Medians across 1,281 gastroenterologists in Texas with Dmand AI profiles that report each measure.
Dr. Rustam'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rustam and other gastroenterologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Louma Basma Rustam treated 114 Medicare patients in 2024, average age 73
CMS counts 114 Medicare patients who saw Dr. Rustam in 2024. The largest group is 65 to 74, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rustam's median patient age at 68, with 51% women.
Medicare patients, 2024114
Average age73
Average risk score1.13
Dr. Rustam's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Rustam's Medicare patients by sex, 2024
- Women7465%
- Men4035%
Chronic conditions among Dr. Rustam's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Mood disorders34%
- Anxiety32%
- Ischemic heart disease32%
- Depression31%
- Diabetes29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rustam's 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
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Louma Basma Rustam wrote 283 Medicare Part D claims in 2024
In 2024, Dr. Rustam wrote 283 Medicare Part D claims for 122 patients. 87% of them were for generic drugs. CMS names the drug for 183 of them, across 7 drugs with 11 or more claims each, at $5,517 in total drug cost. In 2023, CMS named 101 claims across 6 drugs.
Part D claims, 2024283
Drugs named by CMS7
Total drug cost$5,517
Part D patients122
Dr. Rustam's Part D claims by kind of drug, 2024
- Generic245 claims87%
- Brand-name and other38 claims13%
Dr. Rustam'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: 1012024: 18381%
Drugs named by CMS: 7 in 2024, 6 in 2023.
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. Louma Basma Rustam ranks in the 51st percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Rustam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 22 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Rustam, more than 51% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Rustam ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 51st percentile22 procedures
- Colonoscopy
- 48th percentile20 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Louma Basma Rustam has 3 publications on record
Dmand AI links 3 papers to Dr. Rustam, published from 2016 to 2023. 2016 was the busiest year, with 2. Dr. Rustam's most frequent co-authors are Katia Christina Genadry, MD, Raya Hamad Saab, MD and Tomohiro Tanaka, MD.
Papers3
Years published2016 to 2023
Dr. Rustam's most frequent co-authors
- Katia Christina Genadry, MD1 shared paper
- Raya Hamad Saab, MD1 shared paper
- Tomohiro Tanaka, MD1 shared paper
Recent publications by Dr. Rustam
Early Hum Dev
Enteral NutritionInfant, PrematureInfant, Premature, Diseases
See who Dr. Rustam researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rustam works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Louma Basma Rustam received $173 in industry payments from 2020 to 2024
CMS Open Payments shows 3 general payments to Dr. Rustam from 2 drug and device companies from 2020 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $100.
General payments to Dr. Rustam by program year, 2020 to 2024
Companies that paid Dr. Rustam the most, 2020 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Louma Basma Rustam'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Louma Basma Rustam
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. Louma Basma Rustam's NPI number?
Dr. Louma Basma Rustam's NPI number is 1164918140. It was assigned on July 2, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Louma Basma Rustam?
Dr. Louma Basma Rustam is a gastroenterologist in Galveston, Texas. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Louma Basma Rustam practice?
Dr. Rustam practices at 301 University Boulevard, Galveston, TX 77555. Dr. Rustam's primary practice is John Sealy Hospital in Galveston, Texas, part of The University of Texas System. Dmand AI also links Dr. Rustam to 2 group practices and clinics and 1 medical group.
What is Dr. Louma Basma Rustam's office phone number?
The practice phone on file for Dr. Rustam is (409) 772-1011.
What is Dr. Louma Basma Rustam's medical license number?
Dr. Rustam holds Iowa license MD-53111.
Which hospitals is Dr. Louma Basma Rustam affiliated with?
Dr. Rustam practices at John Sealy Hospital in Galveston, Texas.
What medical group is Dr. Louma Basma Rustam part of?
Dr. Rustam is linked to UTMB Faculty Group Practice. Dmand AI links Dr. Rustam to 1 more medical group.
Does Dr. Louma Basma Rustam accept Medicare?
Yes. CMS data shows Dr. Rustam billed Medicare for 190 services in 2024, and Dr. Rustam accepts Medicare assignment.
How many Medicare patients does Dr. Louma Basma Rustam see?
CMS counts 114 Medicare patients who saw Dr. Rustam in 2024, with an average age of 73.
What services does Dr. Louma Basma Rustam bill to Medicare?
In 2024, Dr. Rustam's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and surgery: digestive system (45385).
Show 5 more questionsShow fewer questions
What drugs does Dr. Louma Basma Rustam prescribe most?
In 2024 Medicare Part D data, Dr. Rustam's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Omeprazole and Pantoprazole Sodium.
Has Dr. Louma Basma Rustam received payments from drug or device companies?
CMS Open Payments shows $173 in general payments to Dr. Rustam from 2 companies from 2020 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Louma Basma Rustam been practicing?
Dr. Rustam graduated from medical school in 2021, 5 years ago.
Does Dr. Louma Basma Rustam do research?
Dmand AI links 3 publications to Dr. Rustam, published from 2016 to 2023.
Who does Dr. Louma Basma Rustam publish with?
Dr. Rustam's most frequent co-authors are Katia Christina Genadry, MD (1 shared paper), Raya Hamad Saab, MD (1 shared paper) and Tomohiro Tanaka, MD (1 shared paper).
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