Hepatitis prevention project in the Korean American community in Killeen, Texas (opens in a new tab)
Proc (Bayl Univ Med Cent)
Primary practice
Castle Hills Surgicare
Surgery Center - Medicare-Certified · Carrollton, Texas
Find Dr. Hasan's 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. Hasan practices at Castle Hills Surgicare in Carrollton, Texas.
Dr. Hasan's NPI, 1659509271, was assigned on June 23, 2009. Dr. Hasan graduated from Texas A&M College of Medicine - Bryan in 2009. Dr. Hasan holds Texas license P0730.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hasan's primary practice is Castle Hills Surgicare, at 4221 Medical Parkway Suite 100, Carrollton, TX 75010. The practice phone is (972) 939-2121.
Source: Dmand AI Affiliation Data
Dr. Hasan's primary practice is Castle Hills Surgicare in Carrollton, Texas. Dr. Hasan is also affiliated with Carrollton Regional Medical Center. The medical group on file is Texas Health Physicians Group. Dmand AI also links Dr. Hasan to 2 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hasan practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Castle Hills Surgicare | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Gastroenterology is Dr. Hasan's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Hasan is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Hasan's licenses on file in 3 states: Texas, Maryland and Ohio.
Dmand AI lists acid reflux, acute gallbladder or bile duct inflammation, acute gastroduodenitis, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, gastroenteritis and gastrointestinal bleeding among the conditions Dr. Hasan treats.
Counts of gastroenterologists 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
CMS data shows 895 Medicare services from Dr. Hasan across 12 procedure codes in 2024, for 376 Medicare patients. Medicare paid $76,851 for them.
Medians across 1,281 gastroenterologists in Texas with Dmand AI profiles that report each measure.
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
CMS counts 376 Medicare patients who saw Dr. Hasan in 2024. The largest group is 65 to 74, with 160 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.85, 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. Hasan's median patient age at 60, with 54% women.
Share of Medicare patients with each condition. A patient can have several.
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Median age 60
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
In 2024, Dr. Hasan wrote 589 Medicare Part D claims for 214 patients. 81% of them were for generic drugs. CMS names the drug for 482 of them, across 11 drugs with 11 or more claims each, at $72,623 in total drug cost. In 2023, CMS named 468 claims across 10 drugs.
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Drugs named by CMS: 11 in 2024, 10 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. Hasan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hasan as offering telehealth. CMS counts 141 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Hasan, more than 84% of the clinicians it reports for that procedure.
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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Dmand AI links 2 papers to Dr. Hasan. Dr. Hasan has published most often in Proc (Bayl Univ Med Cent). Dr. Hasan's most frequent co-authors are Dawn Sears, MD, Anupama T. Duddempudi, MD and Moazzam Mohammad Sana, DO.
Proc (Bayl Univ Med Cent)
Proc (Bayl Univ Med Cent)
See who Dr. Hasan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hasan works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
CMS Open Payments shows 367 general payments to Dr. Hasan from 50 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 65% of the total. Evoke Pharma, Inc. paid the most, $27,320.
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Hasan graduated from Texas A&M College of Medicine - Bryan in 2009.
Source: Dmand AI Professional Profile Data
Dr. Hasan is in network with 23 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.
Source: Dmand AI Insurance Network 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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
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Dr. Syed Samih Hasan's NPI number is 1659509271. It was assigned on June 23, 2009, and it is active in the NPI Registry.
Dr. Syed Samih Hasan is a gastroenterologist in Carrollton, Texas. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Dr. Hasan practices at 4221 Medical Parkway Suite 100, Carrollton, TX 75010. Dr. Hasan's primary practice is Castle Hills Surgicare in Carrollton, Texas. Dmand AI also links Dr. Hasan to 2 hospitals, 2 group practices and clinics and 2 medical groups.
The practice phone on file for Dr. Hasan is (972) 939-2121.
Dr. Hasan holds Texas license P0730, one of the licenses on file in 3 states.
Dmand AI has state licenses on file for Dr. Hasan in Texas (2011 to 2026), Maryland (2009 to 2014) and Ohio (2011 to 2014).
Dr. Hasan is affiliated with Carrollton Regional Medical Center. Dmand AI links Dr. Hasan to 2 more hospitals.
Dr. Hasan is linked to Texas Health Physicians Group. Dmand AI links Dr. Hasan to 2 more medical groups.
Yes. CMS data shows Dr. Hasan billed Medicare for 895 services in 2024, and Dr. Hasan accepts Medicare assignment.
Yes. The CMS Doctors and Clinicians file lists Dr. Hasan as offering telehealth services.
CMS counts 376 Medicare patients who saw Dr. Hasan in 2024, with an average age of 75.
Yes. Dr. Hasan is board certified in gastroenterology by the American Board of Internal Medicine.
In 2024, Dr. Hasan's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and surgery: digestive system (43239).
Dr. Hasan graduated from Texas A&M College of Medicine - Bryan in 2009.
In 2024 Medicare Part D data, Dr. Hasan's most prescribed drugs by claims were Pantoprazole Sodium, Sucralfate and Dicyclomine HCl.
CMS Open Payments shows $37,457 in general payments to Dr. Hasan from 50 companies from 2016 to 2025. The largest total came from Evoke Pharma, Inc.
Dr. Hasan graduated from medical school in 2009, 17 years ago.
Dmand AI links 2 publications to Dr. Hasan.
Dr. Hasan's most frequent co-authors are Dawn Sears, MD (2 shared papers), Anupama T. Duddempudi, MD (1 shared paper) and Moazzam Mohammad Sana, DO (1 shared paper).
Dr. Hasan is in network with 23 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.
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