Dr. Syed Samih Hasan, MD, MPH

  • Carrollton, TX
  • Gastroenterologist
NPI1659509271PAC ID0042476202
Medicare services, 2024
895
Medicare patients, 2024
376
Part D claims, 2024
589
Publications
2
Hospital affiliations
3
Practice address
4221 Medical Parkway Suite 100, Carrollton, TX 75010
Practice phone
Call (972) 939-2121
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Castle Hills Surgicare

Surgery Center - Medicare-Certified · Carrollton, Texas

See all 9 affiliations

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Dr. Syed Samih Hasan is a gastroenterologist in Carrollton, Texas

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.

NPI and contact details
Medicare PAC ID
0042476202
NPI enumeration date
June 23, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(972) 939-2121
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
43
Medical school graduation
2009

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

Dr. Syed Samih Hasan practices at Castle Hills Surgicare in Carrollton, Texas

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.

  • Castle Hills Surgicare
    4221 Medical Parkway Suite 100, Carrollton, TX 75010Phone(972) 939-2121

Source: Dmand AI Affiliation Data

Dr. Syed Samih Hasan is affiliated with 6 sites of care and 3 medical groups

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.

See all 9 affiliations for Dr. Hasan

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

Dmand AI tracks the EHR system at Dr. Syed Samih Hasan's practice

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.

EHR by site
SiteEHR vendor and product
Castle Hills SurgicareAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Syed Samih Hasan is one of 1,341 gastroenterologists in Texas

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.

Specialties and state licenses

  • Gastroenterology, TexasPrimaryLicense P0730 · 2011 to 2026 · taxonomy 207RG0100X
  • Maryland license2009 to 2014
  • Ohio license2011 to 2014

Clinical focus

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.

Gastroenterologists near Dr. Hasan

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

1,341gastroenterologists in Texas
2gastroenterologists in Carrollton

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Syed Samih Hasan billed Medicare for 895 services in 2024

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.

Medicare services, 2024895
Medicare patients376
Paid by Medicare$76,851
Procedure codes12

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

  • 2023
  • 2024
Office and hospital visits
2023: 7502024: 66911%
Surgery
2023: 1922024: 2109%
Other services
2023: 162024: 16No change

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

  • In an office31035%
  • In a facility58565%

Dr. Hasan compared with the Texas median for gastroenterologists, 2024

  • Dr. Hasan
  • Texas median
Medicare services
895vs 50577% above
Medicare patients
376vs 28432% above
Part D claims
482vs 493Close to median

Medians across 1,281 gastroenterologists in Texas with Dmand AI profiles that report each measure.

Dr. Hasan'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. Hasan

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hasan and other gastroenterologists in Texas.

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

Dr. Syed Samih Hasan treated 376 Medicare patients in 2024, average age 75

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.

Medicare patients, 2024376
Average age75
Average risk score1.85
Also on Medicaid12%

Dr. Hasan's Medicare patients by age, 2024

Dr. Hasan's Medicare patients by sex, 2024

  • Women22359%
  • Men15341%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis58%
  4. Diabetes44%
  5. Ischemic heart disease40%
  6. Mood disorders40%
  7. Chronic kidney disease38%
  8. Anxiety37%

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

Dr. Hasan's patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women54%
  • Men44%

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

Dr. Syed Samih Hasan wrote 589 Medicare Part D claims in 2024

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.

Part D claims, 2024589
Drugs named by CMS11
Total drug cost$72,623
Part D patients214

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

  • Generic475 claims81%
  • Brand-name114 claims19%

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

  • Antibiotics4%22 of 589 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: 4682024: 4823%

Drugs named by CMS: 11 in 2024, 10 in 2023.

See all prescribing by Dr. Hasan

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. Syed Samih Hasan ranks in the 84th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

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.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Hasan ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
84th percentile141 procedures
Colonoscopy
80th percentile103 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. Syed Samih Hasan has 2 publications on record

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.

Papers2

Dr. Hasan's most frequent co-authors

Recent publications by Dr. Hasan

See all 2 publications and co-authors

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.

How network discovery works

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

Dr. Syed Samih Hasan received $37,457 in industry payments from 2016 to 2025

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.

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

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

$37.5Kin total
  • Speaker and faculty fees$24,46365%
  • Food and beverage$7,45720%
  • Travel and lodging$3,0008%
  • Consulting fees$2,2006%
  • Other$3241%

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

Share is of all general payments to this clinician.

See all payments to Dr. Hasan

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

Dr. Syed Samih Hasan graduated from Texas A&M College of Medicine - Bryan

Dr. Hasan graduated from Texas A&M College of Medicine - Bryan in 2009.

  1. Medical schoolTexas A&M College of Medicine - Bryan
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Syed Samih Hasan accepts plans from 23 insurance carriers

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.

Plan types Dr. Hasan accepts, by number of carriers

  1. PPO15
  2. HMO13
  3. Medicare11
  4. POS7
  5. EPO5

Source: Dmand AI Insurance Network Data

Sources for Dr. Syed Samih Hasan'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)Doctors and Clinicians Utilization Data (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)
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. Syed Samih Hasan

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. Syed Samih Hasan's NPI number?

Dr. Syed Samih Hasan's NPI number is 1659509271. It was assigned on June 23, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Syed Samih Hasan?

Dr. Syed Samih Hasan is a gastroenterologist in Carrollton, Texas. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Syed Samih Hasan practice?

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.

What is Dr. Syed Samih Hasan's office phone number?

The practice phone on file for Dr. Hasan is (972) 939-2121.

What is Dr. Syed Samih Hasan's medical license number?

Dr. Hasan holds Texas license P0730, one of the licenses on file in 3 states.

Which states has Dr. Syed Samih Hasan been licensed in?

Dmand AI has state licenses on file for Dr. Hasan in Texas (2011 to 2026), Maryland (2009 to 2014) and Ohio (2011 to 2014).

Which hospitals is Dr. Syed Samih Hasan affiliated with?

Dr. Hasan is affiliated with Carrollton Regional Medical Center. Dmand AI links Dr. Hasan to 2 more hospitals.

What medical group is Dr. Syed Samih Hasan part of?

Dr. Hasan is linked to Texas Health Physicians Group. Dmand AI links Dr. Hasan to 2 more medical groups.

Does Dr. Syed Samih Hasan accept Medicare?

Yes. CMS data shows Dr. Hasan billed Medicare for 895 services in 2024, and Dr. Hasan accepts Medicare assignment.

Does Dr. Syed Samih Hasan offer telehealth?

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

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Syed Samih Hasan see?

CMS counts 376 Medicare patients who saw Dr. Hasan in 2024, with an average age of 75.

Is Dr. Syed Samih Hasan board certified?

Yes. Dr. Hasan is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Syed Samih Hasan bill to Medicare?

In 2024, Dr. Hasan's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and surgery: digestive system (43239).

Where did Dr. Syed Samih Hasan go to medical school?

Dr. Hasan graduated from Texas A&M College of Medicine - Bryan in 2009.

What drugs does Dr. Syed Samih Hasan prescribe most?

In 2024 Medicare Part D data, Dr. Hasan's most prescribed drugs by claims were Pantoprazole Sodium, Sucralfate and Dicyclomine HCl.

Has Dr. Syed Samih Hasan received payments from drug or device companies?

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.

How long has Dr. Syed Samih Hasan been practicing?

Dr. Hasan graduated from medical school in 2009, 17 years ago.

Does Dr. Syed Samih Hasan do research?

Dmand AI links 2 publications to Dr. Hasan.

Who does Dr. Syed Samih Hasan publish with?

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).

What insurance does Dr. Syed Samih Hasan accept?

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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