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Dr. Ahmed H. Gemei, MD
NPI1912400789PAC ID1355691627
- Medicare patients, 2024
- 22
- Part D claims, 2024
- 172
- Publications
- 1
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Practice address
- 1991 Marcus Avenue, Lake Success, NY 11042
- Practice phone
- Call (317) 796-7565
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
New Hyde Park Endoscopy
Surgery Center - Medicare-Certified · Lake Success, New York
Find Dr. Gemei'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. Ahmed H. Gemei is a gastroenterologist in New Hyde Park, New York
Dr. Gemei practices at New Hyde Park Endoscopy in Lake Success, New York.
Dr. Gemei's NPI, 1912400789, was assigned on March 17, 2018. Dr. Gemei holds New York license 326974.
NPI and contact details
- NPI
- 1912400789NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355691627
- NPI enumeration date
- March 17, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (317) 796-7565
- 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. Ahmed H. Gemei practices at New Hyde Park Endoscopy in Lake Success, New York
Dr. Gemei's primary practice is New Hyde Park Endoscopy, at 1991 Marcus Avenue, Lake Success, NY 11042. The practice phone is (317) 796-7565.
- New Hyde Park Endoscopy1991 Marcus Avenue, Lake Success, NY 11042Phone(317) 796-7565
Source: Dmand AI Affiliation Data
Dr. Ahmed H. Gemei is affiliated with 5 sites of care and 2 medical groups
Dr. Gemei's primary practice is New Hyde Park Endoscopy in Lake Success, New York. Dr. Gemei is also affiliated with Long Island Jewish Medical Center. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Dr. Gemei to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
New Hyde Park EndoscopyPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ahmed H. Gemei's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gemei practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| New Hyde Park Endoscopy | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ahmed H. Gemei is one of 1,583 gastroenterologists in New York
Gastroenterology is Dr. Gemei's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Gemei is licensed in New York.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
Gastroenterologists near Dr. Gemei
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. Ahmed H. Gemei treated 22 Medicare patients in 2024, average age 70
CMS counts 22 Medicare patients who saw Dr. Gemei in 2024. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 2.75, 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. Gemei's median patient age at 52, with 46% women.
Medicare patients, 202422
Average age70
Average risk score2.75
Chronic conditions among Dr. Gemei's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gemei's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women46%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ahmed H. Gemei wrote 172 Medicare Part D claims in 2024
In 2024, Dr. Gemei wrote 172 Medicare Part D claims for 79 patients. 81% of them were for generic drugs. CMS names the drug for 79 of them, across 2 drugs with 11 or more claims each, at $2,299 in total drug cost. In 2023, CMS named 46 claims across 2 drugs.
Part D claims, 2024172
Drugs named by CMS2
Total drug cost$2,299
Part D patients79
Dr. Gemei's Part D claims by kind of drug, 2024
- Generic139 claims81%
- Brand-name33 claims19%
Dr. Gemei'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. Gemei's Part D claims, 2024
- Antibiotics8%14 of 172 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: 462024: 7972%
Drugs named by CMS: 2 in 2024, 2 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. Ahmed H. Gemei scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Gemei for performance year 2024, reported through an alternative payment model (APM). Dr. Gemei accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gemei as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Gemei's MIPS scores, performance year 2024
- 100of 100Final score
- 85.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
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. Ahmed H. Gemei has 1 publication on record
Dmand AI links 1 paper to Dr. Gemei. Dr. Gemei's most frequent co-authors are Paula M. Gardiner, MD and Hasmeena Kathuria, MD.
Papers1
Dr. Gemei's most frequent co-authors
Recent publications by Dr. Gemei
See who Dr. Gemei researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gemei 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. Ahmed H. Gemei received $1,504 in industry payments from 2024 to 2025
CMS Open Payments shows 34 general payments to Dr. Gemei from 9 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $870.
General payments to Dr. Gemei by program year, 2024 to 2025
Companies that paid Dr. Gemei the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ahmed H. Gemei's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ahmed H. Gemei
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. Ahmed H. Gemei's NPI number?
Dr. Ahmed H. Gemei's NPI number is 1912400789. It was assigned on March 17, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Ahmed H. Gemei?
Dr. Ahmed H. Gemei is a gastroenterologist in New Hyde Park, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Ahmed H. Gemei practice?
Dr. Gemei practices at 1991 Marcus Avenue, Lake Success, NY 11042. Dr. Gemei's primary practice is New Hyde Park Endoscopy in Lake Success, New York. Dmand AI also links Dr. Gemei to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Ahmed H. Gemei's office phone number?
The practice phone on file for Dr. Gemei is (317) 796-7565.
What is Dr. Ahmed H. Gemei's medical license number?
Dr. Gemei holds New York license 326974.
Which hospitals is Dr. Ahmed H. Gemei affiliated with?
Dr. Gemei is affiliated with Long Island Jewish Medical Center. Dmand AI links Dr. Gemei to 1 more hospital.
What medical group is Dr. Ahmed H. Gemei part of?
Dr. Gemei is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Dr. Gemei to 1 more medical group.
Does Dr. Ahmed H. Gemei accept Medicare?
Yes. CMS lists Dr. Gemei as accepting Medicare assignment.
Does Dr. Ahmed H. Gemei offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gemei as offering telehealth services.
What is Dr. Ahmed H. Gemei's MIPS score?
Dr. Gemei's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Ahmed H. Gemei see?
CMS counts 22 Medicare patients who saw Dr. Gemei in 2024, with an average age of 70.
What drugs does Dr. Ahmed H. Gemei prescribe most?
In 2024 Medicare Part D data, Dr. Gemei's most prescribed drugs by claims were Omeprazole and Esomeprazole Magnesium.
Has Dr. Ahmed H. Gemei received payments from drug or device companies?
CMS Open Payments shows $1,504 in general payments to Dr. Gemei from 9 companies from 2024 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Ahmed H. Gemei been practicing?
Dr. Gemei graduated from medical school in 2013, 13 years ago.
Does Dr. Ahmed H. Gemei do research?
Dmand AI links 1 publication to Dr. Gemei.
Who does Dr. Ahmed H. Gemei publish with?
Dr. Gemei's most frequent co-authors are Paula M. Gardiner, MD (1 shared paper) and Hasmeena Kathuria, MD (1 shared paper).
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