Atef H. El Gassier, MBBS
- Medicare services, 2024
- 536
- Medicare patients, 2024
- 175
- Part D claims, 2024
- 450
- Hospital affiliations
- 5
- Industry payments
- $621
- Practice address
- One Saint Joseph Drive, Lexington, KY 40504
- Practice phone
- Call (859) 313-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Atef El Gassier'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.
Atef H. El Gassier is an internist in Lexington, Kentucky
Atef El Gassier practices at Saint Joseph Hospital in Lexington, Kentucky, part of CommonSpirit Health.
Atef El Gassier's NPI, 1053699934, was assigned on July 27, 2011. Atef El Gassier holds Kentucky license 47496.
- NPI
- 1053699934NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789824442
- NPI enumeration date
- July 27, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (859) 313-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Atef H. El Gassier practices at 2 locations in Lexington, Kentucky
Atef El Gassier's primary practice is Saint Joseph Hospital, at One Saint Joseph Drive, Lexington, KY 40504 in Fayette County. The practice phone is (859) 313-1000. Atef El Gassier also practices at St Joseph Hospital, 1 St Joseph Dr, Lexington, KY 40504.
- Saint Joseph HospitalPrimaryOne Saint Joseph Drive, Lexington, KY 40504 · Fayette CountyPhone(859) 313-1000
- St Joseph Hospital1 St Joseph Dr, Lexington, KY 40504 · Fayette CountyPhone(859) 313-1000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Atef H. El Gassier is affiliated with 5 sites of care and 2 medical groups
Atef El Gassier's primary practice is Saint Joseph Hospital in Lexington, Kentucky, part of CommonSpirit Health. Atef El Gassier is also affiliated with CommonSpirit - Saint Joseph Medical Center - East Lexington. The medical group on file is 24 On Physicians, PC. Dmand AI also links Atef El Gassier to 3 more hospitals and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Atef H. El Gassier's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Atef El Gassier practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Joseph Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across CommonSpirit Health and 6.2K+ hospitals, with verified contacts in the same login.
Atef H. El Gassier is one of 1,380 internists in Kentucky
Internal medicine is Atef El Gassier's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Atef El Gassier is licensed in Kentucky.
Specialties and state licenses
- Internal medicine, KentuckyPrimary
Internists near Atef El Gassier
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
Atef H. El Gassier billed Medicare for 536 services in 2024
CMS data shows 536 Medicare services from Atef El Gassier across 6 procedure codes in 2024, for 175 Medicare patients. Medicare paid $45,325 for them. Every service was in a facility, such as a hospital, rather than an office.
Atef El Gassier's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6552024: 53618%
Atef El Gassier compared with the Kentucky median for internists, 2024
- Atef El Gassier
- Kentucky median
- Medicare services
- 536vs 61313% below
- Medicare patients
- 175vs 22322% below
- Part D claims
- 190vs 36848% below
Medians across 1,380 internists in Kentucky with Dmand AI profiles that report each measure.
Atef El Gassier'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 Atef El Gassier and other internists in Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Atef H. El Gassier treated 175 Medicare patients in 2024, average age 74
CMS counts 175 Medicare patients who saw Atef El Gassier in 2024. The largest group is 75 to 84, with 61 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 2.53, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Atef El Gassier's median patient age at 72, with 55% women.
Atef El Gassier's Medicare patients by age, 2024
Atef El Gassier's Medicare patients by sex, 2024
- Women8850%
- Men8750%
Chronic conditions among Atef El Gassier's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Anxiety55%
- Diabetes54%
- Mood disorders54%
- Ischemic heart disease53%
- Heart failure51%
Share of Medicare patients with each condition. A patient can have several.
Atef El Gassier's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Atef H. El Gassier wrote 450 Medicare Part D claims in 2024
In 2024, Atef El Gassier wrote 450 Medicare Part D claims for 190 patients. 87% of them were for generic drugs. CMS names the drug for 190 of them, across 11 drugs with 11 or more claims each, at $1,036 in total drug cost. In 2023, CMS named 223 claims across 12 drugs.
Atef El Gassier's Part D claims by kind of drug, 2024
- Generic392 claims87%
- Brand-name and other58 claims13%
Atef El Gassier'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 Atef El Gassier's Part D claims, 2024
- Opioids7%31 of 450 claims
- Antibiotics21%94 of 450 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: 2232024: 19015%
Drugs named by CMS: 11 in 2024, 12 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
How Atef H. El Gassier takes part in Medicare
Atef El Gassier accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Atef H. El Gassier received $621 in industry payments from 2016 to 2023
CMS Open Payments shows 11 general payments to Atef El Gassier from 8 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Penumbra, Inc. paid the most, $163.
General payments to Atef El Gassier by program year, 2016 to 2023
Companies that paid Atef El Gassier the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Atef H. El Gassier'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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) |
| 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 Atef H. El Gassier
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Atef H. El Gassier's NPI number?
Atef H. El Gassier's NPI number is 1053699934. It was assigned on July 27, 2011, and it is active in the NPI Registry.
What does Atef H. El Gassier specialize in?
Atef H. El Gassier is an internist in Lexington, Kentucky. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Atef H. El Gassier practice?
Atef El Gassier practices at One Saint Joseph Drive, Lexington, KY 40504. Atef El Gassier also practices at 1 St Joseph Dr, Lexington, KY 40504. Atef El Gassier's primary practice is Saint Joseph Hospital in Lexington, Kentucky, part of CommonSpirit Health. Dmand AI also links Atef El Gassier to 3 hospitals and 1 medical group.
What is Atef H. El Gassier's office phone number?
The practice phone on file for Atef El Gassier is (859) 313-1000.
What is Atef H. El Gassier's medical license number?
Atef El Gassier holds Kentucky license 47496.
Which hospitals is Atef H. El Gassier affiliated with?
Atef El Gassier practices at Saint Joseph Hospital in Lexington, Kentucky. Atef El Gassier is also affiliated with CommonSpirit - Saint Joseph Medical Center - East Lexington. Dmand AI links Atef El Gassier to 3 more hospitals.
What medical group is Atef H. El Gassier part of?
Atef El Gassier is linked to 24 On Physicians, PC. Dmand AI links Atef El Gassier to 1 more medical group.
Does Atef H. El Gassier accept Medicare?
Yes. CMS data shows Atef El Gassier billed Medicare for 536 services in 2024, and Atef El Gassier accepts Medicare assignment.
How many Medicare patients does Atef H. El Gassier see?
CMS counts 175 Medicare patients who saw Atef El Gassier in 2024, with an average age of 74.
What services does Atef H. El Gassier bill to Medicare?
In 2024, Atef El Gassier's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
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What drugs does Atef H. El Gassier prescribe most?
In 2024 Medicare Part D data, Atef El Gassier's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Prednisone and Atorvastatin Calcium.
Has Atef H. El Gassier received payments from drug or device companies?
CMS Open Payments shows $621 in general payments to Atef El Gassier from 8 companies from 2016 to 2023. The largest total came from Penumbra, Inc.
How long has Atef H. El Gassier been practicing?
Atef El Gassier graduated from medical school in 2004, 22 years ago.
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