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Dr. Samir Nadeem Ashfaq, MD
NPI1588009815PAC ID7911288873
- Medicare services, 2024
- 676
- Medicare patients, 2024
- 321
- Part D claims, 2024
- 1,229
- Publications
- 3
- Hospital affiliations
- 2
- Practice address
- 18500 Katy Freeway, Houston, TX 77094
- Practice phone
- Call (832) 522-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ashfaq'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. Samir Nadeem Ashfaq is an internist in Houston, Texas
Dr. Ashfaq practices at Houston Methodist West Hospital in Houston, Texas, part of Houston Methodist.
Dr. Ashfaq's NPI, 1588009815, was assigned on April 30, 2013. Dr. Ashfaq graduated from Texas A&M College of Medicine - Bryan in 2013. Dr. Ashfaq's Texas license number on file is BP10047253.
NPI and contact details
- NPI
- 1588009815NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911288873
- NPI enumeration date
- April 30, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (832) 522-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Samir Nadeem Ashfaq practices at Houston Methodist West Hospital in Houston, Texas
Dr. Ashfaq's primary practice is Houston Methodist West Hospital, at 18500 Katy Freeway, Houston, TX 77094 in Harris County. The practice phone is (832) 522-1000.
- Houston Methodist West Hospital18500 Katy Freeway, Houston, TX 77094 · Harris CountyPhone(832) 522-1000
Source: Dmand AI Affiliation Data
Dr. Samir Nadeem Ashfaq is affiliated with 2 sites of care and 2 medical groups
Dr. Ashfaq's primary practice is Houston Methodist West Hospital in Houston, Texas, part of Houston Methodist. Dr. Ashfaq is also affiliated with Baylor Scott & White Medical Center - Temple. The medical group on file is Houston Methodist Specialty Physician Group. Dmand AI also links Dr. Ashfaq to 1 more medical group, named with a free account.
Baylor Scott & White Medical Center - TempleHouston Methodist Specialty Physician Group1 medical groupName with a free account
See all 4 affiliations for Dr. AshfaqSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Samir Nadeem Ashfaq's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ashfaq practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Houston Methodist West Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Samir Nadeem Ashfaq is one of 8,437 internists in Texas
Internal medicine is Dr. Ashfaq's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ashfaq is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Ashfaq has a license on file in Texas.
Specialties and state licenses
- Internal medicine, TexasPrimary
Clinical focus
Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), colonoscopy, gastroenteritis, gastrointestinal bleeding, hemorrhoids, intestinal diverticulosis and irritable bowel syndrome (IBS) among the conditions Dr. Ashfaq treats.
Internists near Dr. Ashfaq
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. Samir Nadeem Ashfaq billed Medicare for 676 services in 2024
CMS data shows 676 Medicare services from Dr. Ashfaq across 10 procedure codes in 2024, for 321 Medicare patients. Medicare paid $71,847 for them.
Medicare services, 2024676
Medicare patients321
Paid by Medicare$71,847
Procedure codes10
Dr. Ashfaq's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4192024: 48516%
- Surgery
- 2023: 1512024: 1595%
- Other services
- 2023: 602024: 3247%
Where Dr. Ashfaq's Medicare services took place, 2024
- In an office26840%
- In a facility40860%
Dr. Ashfaq compared with the Texas median for internists, 2024
- Dr. Ashfaq
- Texas median
- Medicare services
- 676vs 53925% above
- Medicare patients
- 321vs 19069% above
- Part D claims
- 1,111vs 2893.8 times
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. Ashfaq'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.
Need commercial claims for Dr. Ashfaq?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ashfaq and other internists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Samir Nadeem Ashfaq treated 321 Medicare patients in 2024, average age 75
CMS counts 321 Medicare patients who saw Dr. Ashfaq in 2024. The largest group is 65 to 74, with 160 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.70, 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. Ashfaq's median patient age at 69, with 52% women.
Medicare patients, 2024321
Average age75
Average risk score1.70
Also on Medicaid5%
Dr. Ashfaq's Medicare patients by age, 2024
Dr. Ashfaq's Medicare patients by sex, 2024
- Women17855%
- Men14345%
Chronic conditions among Dr. Ashfaq's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease47%
- Diabetes42%
- Chronic kidney disease36%
- Heart failure31%
- Mood disorders31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ashfaq's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Samir Nadeem Ashfaq wrote 1,229 Medicare Part D claims in 2024
In 2024, Dr. Ashfaq wrote 1,229 Medicare Part D claims for 398 patients. 73% of them were for generic drugs. CMS names the drug for 1,111 of them, across 22 drugs with 11 or more claims each, at $377,677 in total drug cost. In 2023, CMS named 1,004 claims across 19 drugs.
Part D claims, 20241,229
Drugs named by CMS22
Total drug cost$377,677
Part D patients398
Dr. Ashfaq's Part D claims by kind of drug, 2024
- Generic899 claims73%
- Brand-name330 claims27%
Dr. Ashfaq'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. Ashfaq's Part D claims, 2024
- Antibiotics5%57 of 1,229 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: 1,0042024: 1,11111%
Drugs named by CMS: 22 in 2024, 19 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. Samir Nadeem Ashfaq ranks in the 76th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Ashfaq accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ashfaq as offering telehealth. CMS counts 98 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Ashfaq, more than 76% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Ashfaq ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 76th percentile98 procedures
- Colonoscopy
- 76th percentile86 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. Samir Nadeem Ashfaq has 3 publications on record
Dmand AI links 3 papers to Dr. Ashfaq, published from 2013 to 2017. The most frequent topics are Cholic Acid. Dr. Ashfaq's most frequent co-authors are Mario Jesus De Los Santos, MD and Nivedita Pandey, MD.
Papers3
Years published2013 to 2017
Dr. Ashfaq's papers by year, 2013 to 2017
Topics Dr. Ashfaq writes about most
- Cholic Acid
Dr. Ashfaq's most frequent co-authors
- Mario Jesus De Los Santos, MD1 shared paper
- Nivedita Pandey, MD1 shared paper
Recent publications by Dr. Ashfaq
Bile Acids and SaltsBlood-Brain BarrierCentral Nervous System Diseases
Calgranulin ACholic AcidDiabetes Complications
See who Dr. Ashfaq researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ashfaq works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Samir Nadeem Ashfaq received $5,821 in industry payments from 2017 to 2025
CMS Open Payments shows 307 general payments to Dr. Ashfaq from 30 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 97% of the total. Abbvie Inc. paid the most, $1,177.
General payments to Dr. Ashfaq by program year, 2017 to 2025
General payments to Dr. Ashfaq by kind, 2017 to 2025
$5.8Kin total
- Food and beverage$5,63597%
- Education$1863%
Companies that paid Dr. Ashfaq the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Samir Nadeem Ashfaq graduated from Texas A&M College of Medicine - Bryan
Dr. Ashfaq graduated from Texas A&M College of Medicine - Bryan in 2013. Dr. Ashfaq is a member of ACG, AGA and ASGE.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Samir Nadeem Ashfaq accepts plans from 18 insurance carriers
Dr. Ashfaq is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- Cigna
- HCSC
- Humana
- Aspirus Health Plan
- +10 more carriersWith a free account
Plan types Dr. Ashfaq accepts, by number of carriers
- PPO12
- HMO10
- Medicare10
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Samir Nadeem Ashfaq'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) |
| 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
FAQ
Frequently asked questions about Dr. Samir Nadeem Ashfaq
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. Samir Nadeem Ashfaq's NPI number?
Dr. Samir Nadeem Ashfaq's NPI number is 1588009815. It was assigned on April 30, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Samir Nadeem Ashfaq?
Dr. Samir Nadeem Ashfaq is an internist in Houston, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Samir Nadeem Ashfaq practice?
Dr. Ashfaq practices at 18500 Katy Freeway, Houston, TX 77094. Dr. Ashfaq's primary practice is Houston Methodist West Hospital in Houston, Texas, part of Houston Methodist. Dmand AI also links Dr. Ashfaq to 1 medical group.
What is Dr. Samir Nadeem Ashfaq's office phone number?
The practice phone on file for Dr. Ashfaq is (832) 522-1000.
What is Dr. Samir Nadeem Ashfaq's medical license number?
Dr. Ashfaq's Texas license number on file is BP10047253.
Which hospitals is Dr. Samir Nadeem Ashfaq affiliated with?
Dr. Ashfaq practices at Houston Methodist West Hospital in Houston, Texas. Dr. Ashfaq is also affiliated with Baylor Scott & White Medical Center - Temple.
What medical group is Dr. Samir Nadeem Ashfaq part of?
Dr. Ashfaq is linked to Houston Methodist Specialty Physician Group. Dmand AI links Dr. Ashfaq to 1 more medical group.
Does Dr. Samir Nadeem Ashfaq accept Medicare?
Yes. CMS data shows Dr. Ashfaq billed Medicare for 676 services in 2024, and Dr. Ashfaq accepts Medicare assignment.
Does Dr. Samir Nadeem Ashfaq offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ashfaq as offering telehealth services.
How many Medicare patients does Dr. Samir Nadeem Ashfaq see?
CMS counts 321 Medicare patients who saw Dr. Ashfaq in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. Samir Nadeem Ashfaq board certified?
Yes. Dr. Ashfaq is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Samir Nadeem Ashfaq bill to Medicare?
In 2024, Dr. Ashfaq's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and office visit, new patient (99204).
Where did Dr. Samir Nadeem Ashfaq go to medical school?
Dr. Ashfaq graduated from Texas A&M College of Medicine - Bryan in 2013.
What drugs does Dr. Samir Nadeem Ashfaq prescribe most?
In 2024 Medicare Part D data, Dr. Ashfaq's most prescribed drugs by claims were Pantoprazole Sodium, Sod Sulf-Potass Sulf-Mag Sulf and Omeprazole.
Has Dr. Samir Nadeem Ashfaq received payments from drug or device companies?
CMS Open Payments shows $5,821 in general payments to Dr. Ashfaq from 30 companies from 2017 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Samir Nadeem Ashfaq been practicing?
Dr. Ashfaq graduated from medical school in 2013, 13 years ago.
Does Dr. Samir Nadeem Ashfaq do research?
Dmand AI links 3 publications to Dr. Ashfaq, published from 2013 to 2017.
Who does Dr. Samir Nadeem Ashfaq publish with?
Dr. Ashfaq's most frequent co-authors are Mario Jesus De Los Santos, MD (1 shared paper) and Nivedita Pandey, MD (1 shared paper).
What insurance does Dr. Samir Nadeem Ashfaq accept?
Dr. Ashfaq is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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