Dr. Tarek Ammar, MD
- Medicare services, 2024
- 1,653
- Medicare patients, 2024
- 623
- Part D claims, 2024
- 963
- Publications
- 13
- MIPS score, 2024
- 98
- Practice address
- 8440 W Warm Springs Rd, Las Vegas, NV 89113
- Practice phone
- Call (702) 483-4483
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Comprehensive Digestive Surgery Center
Surgery Center - Medicare-Certified · Las Vegas, Nevada
Find Dr. Ammar'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. Tarek Ammar is a gastroenterologist in Las Vegas, Nevada
Dr. Ammar practices at Comprehensive Digestive Surgery Center in Las Vegas, Nevada.
Dr. Ammar's NPI, 1649478314, was assigned on July 5, 2007. Dr. Ammar holds Nevada license 13527.
- NPI
- 1649478314NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971653189
- NPI enumeration date
- July 5, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (702) 483-4483
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tarek Ammar practices at Comprehensive Digestive Surgery Center in Las Vegas, Nevada
Dr. Ammar's primary practice is Comprehensive Digestive Surgery Center, at 8440 W Warm Springs Rd, Las Vegas, NV 89113. The practice phone is (702) 483-4483.
- Comprehensive Digestive Surgery Center8440 W Warm Springs Rd, Las Vegas, NV 89113Phone(702) 483-4483
Source: Dmand AI Affiliation Data
Dr. Tarek Ammar is affiliated with 7 sites of care and 3 medical groups
Dr. Ammar's primary practice is Comprehensive Digestive Surgery Center in Las Vegas, Nevada. Dr. Ammar is also affiliated with MountainView Hospital. The medical group on file is Intermountain Health. Dmand AI also links Dr. Ammar to 3 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 EHR system at Dr. Tarek Ammar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ammar practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Comprehensive Digestive Surgery Center | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tarek Ammar is one of 107 gastroenterologists in Nevada
Gastroenterology is Dr. Ammar's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Ammar's licenses on file in 2 states: Nevada and Utah.
Specialties and state licenses
- Gastroenterology, NevadaPrimary
- Utah license
Gastroenterologists near Dr. Ammar
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
Dr. Tarek Ammar billed Medicare for 1,653 services in 2024
CMS data shows 1,653 Medicare services from Dr. Ammar across 19 procedure codes in 2024, for 623 Medicare patients. Medicare paid $129,392 for them.
Dr. Ammar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1572024: 1,2236%
- Surgery
- 2023: 3052024: 3122%
- Other services
- 2023: 152024: 100567%
- Imaging
- 2023: 212024: 1814%
Where Dr. Ammar's Medicare services took place, 2024
- In an office98359%
- In a facility67041%
Dr. Ammar compared with the Nevada median for gastroenterologists, 2024
- Dr. Ammar
- Nevada median
- Medicare services
- 1,653vs 7582.2 times
- Medicare patients
- 623vs 40056% above
- Part D claims
- 828vs 59439% above
Medians across 106 gastroenterologists in Nevada with Dmand AI profiles that report each measure.
Dr. Ammar'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tarek Ammar treated 623 Medicare patients in 2024, average age 73
CMS counts 623 Medicare patients who saw Dr. Ammar in 2024. The largest group is 65 to 74, with 295 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.57, 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. Ammar's median patient age at 63, with 54% women.
Dr. Ammar's Medicare patients by age, 2024
Dr. Ammar's Medicare patients by sex, 2024
- Women33353%
- Men29047%
Chronic conditions among Dr. Ammar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes38%
- Ischemic heart disease35%
- Chronic kidney disease31%
- Anxiety29%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ammar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tarek Ammar wrote 963 Medicare Part D claims in 2024
In 2024, Dr. Ammar wrote 963 Medicare Part D claims for 361 patients. 82% of them were for generic drugs. CMS names the drug for 828 of them, across 15 drugs with 11 or more claims each, at $221,630 in total drug cost. In 2023, CMS named 686 claims across 16 drugs.
Dr. Ammar's Part D claims by kind of drug, 2024
- Generic791 claims82%
- Brand-name172 claims18%
Dr. Ammar'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. Ammar's Part D claims, 2024
- Antibiotics2%22 of 963 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: 6862024: 82821%
Drugs named by CMS: 15 in 2024, 16 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. Tarek Ammar scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Ammar for performance year 2024, reported as part of a group. Dr. Ammar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ammar as offering telehealth. CMS counts 306 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Ammar, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Ammar's MIPS scores, performance year 2024
- 98of 100Final score
- 96.8of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Ammar ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 95th percentile306 procedures
- Colonoscopy
- 95th percentile233 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Tarek Ammar has 13 publications on record
Dmand AI links 13 papers to Dr. Ammar, published from 2014 to 2024. 2015 was the busiest year, with 2. The most frequent topics are Muscle, Skeletal, Muscle Contraction and Muscle Fibers, Skeletal. Dr. Ammar has published most often in J Gen Physiol. Dr. Ammar's most frequent co-authors are Luke E. Johnson, MD, Brian T. Lee, MD and John K. Ryan, MD.
Dr. Ammar's papers by year, 2014 to 2024
Topics Dr. Ammar writes about most
- Muscle, Skeletal
- Muscle Contraction
- Muscle Fibers, Skeletal
- Angiotensin I
- Calcium
- Mice, Inbred C57BL
- Mice, Inbred mdx
- Paralysis, Hyperkalemic Periodic
Dr. Ammar's most frequent co-authors
Recent publications by Dr. Ammar
Am J Physiol Cell Physiol
See who Dr. Ammar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ammar 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. Tarek Ammar received $18,359 in industry payments from 2016 to 2025
CMS Open Payments shows 446 general payments to Dr. Ammar from 46 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 58% of the total. Abbvie Inc. paid the most, $2,990.
General payments to Dr. Ammar by program year, 2016 to 2025
General payments to Dr. Ammar by kind, 2016 to 2025
- Food and beverage$10,70058%
- Speaker and faculty fees$3,90021%
- Travel and lodging$3,02016%
- Education speaker fees$6263%
- Education$1131%
Companies that paid Dr. Ammar the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Tarek Ammar'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)Clinician Public Reporting: Overall MIPS Performance (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. Tarek Ammar
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. Tarek Ammar's NPI number?
Dr. Tarek Ammar's NPI number is 1649478314. It was assigned on July 5, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Tarek Ammar?
Dr. Tarek Ammar is a gastroenterologist in Las Vegas, Nevada. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Tarek Ammar practice?
Dr. Ammar practices at 8440 W Warm Springs Rd, Las Vegas, NV 89113. Dr. Ammar's primary practice is Comprehensive Digestive Surgery Center in Las Vegas, Nevada. Dmand AI also links Dr. Ammar to 3 hospitals, 2 group practices and clinics and 2 medical groups.
What is Dr. Tarek Ammar's office phone number?
The practice phone on file for Dr. Ammar is (702) 483-4483.
What is Dr. Tarek Ammar's medical license number?
Dr. Ammar holds Nevada license 13527, one of the licenses on file in 2 states.
Which states has Dr. Tarek Ammar been licensed in?
Dmand AI has state licenses on file for Dr. Ammar in Nevada and Utah.
Which hospitals is Dr. Tarek Ammar affiliated with?
Dr. Ammar is affiliated with MountainView Hospital. Dmand AI links Dr. Ammar to 3 more hospitals.
What medical group is Dr. Tarek Ammar part of?
Dr. Ammar is linked to Intermountain Health. Dmand AI links Dr. Ammar to 2 more medical groups.
Does Dr. Tarek Ammar accept Medicare?
Yes. CMS data shows Dr. Ammar billed Medicare for 1,653 services in 2024, and Dr. Ammar accepts Medicare assignment.
Does Dr. Tarek Ammar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ammar as offering telehealth services.
Show 8 more questionsShow fewer questions
What is Dr. Tarek Ammar's MIPS score?
Dr. Ammar's MIPS final score for performance year 2024 is 98 out of 100, reported as part of a group.
How many Medicare patients does Dr. Tarek Ammar see?
CMS counts 623 Medicare patients who saw Dr. Ammar in 2024, with an average age of 73.
What services does Dr. Tarek Ammar bill to Medicare?
In 2024, Dr. Ammar's most billed Medicare services were care management and other visits (99439), office visit, established patient (99213) and hospital inpatient care (99233).
What drugs does Dr. Tarek Ammar prescribe most?
In 2024 Medicare Part D data, Dr. Ammar's most prescribed drugs by claims were Omeprazole, Famotidine and Sod Sulf-Potass Sulf-Mag Sulf.
Has Dr. Tarek Ammar received payments from drug or device companies?
CMS Open Payments shows $18,359 in general payments to Dr. Ammar from 46 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Tarek Ammar been practicing?
Dr. Ammar graduated from medical school in 2000, 26 years ago.
Does Dr. Tarek Ammar do research?
Dmand AI links 13 publications to Dr. Ammar, published from 2014 to 2024.
Who does Dr. Tarek Ammar publish with?
Dr. Ammar's most frequent co-authors are Luke E. Johnson, MD (1 shared paper), Brian T. Lee, MD (1 shared paper) and John K. Ryan, MD (1 shared paper).
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