Ahmed Aly Messallam, M.D
Gastroenterology Physician · Marietta, GA
Ahmed Aly Messallam, M.D is a gastroenterology physician with a practice address in Marietta, Georgia, and NPI 1629489547, issued on May 13, 2014. Check the license (Georgia 74933, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ahmed Aly Messallam
- Credential
- M.D
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 74933 GA
Self-reported in NPPES; status is on the state search - Practice location
- 780 Canton RD NE Ste 328, Marietta, GA 30060
- Phone
- (470) 267-1760
- Enumerated
- May 13, 2014
- Record last updated
- Dec 12, 2024
- Fax
- (470) 986-7002
- Medicare enrollment
- Enrolled (PECOS I20200528001476); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 530 in Georgia → Look up another NPI →
Also registered at 780 Canton RD NE Ste 328
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nikhil Shah, M.D.Gastroenterology Physician1104810027
Verify Ahmed Aly Messallam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 74933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average gastroenterology physician in 2024
624 Medicare Part D claims for 245 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf119 claims
- Omeprazole116 claims
- Pantoprazole Sodium85 claims
- Famotidine43 claims
- Gavilyte-G32 claims
- Dexlansoprazole Dr21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 89.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,328.43
15 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Wellstar Medical Group LLCMarietta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ahmed Aly Messallam among 530 gastroenterology physician records in Georgia
Ahmed Aly Messallam, M.D is one of 530 gastroenterology physician records with a practice address in Georgia. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 84% of them.
- NPI issued2014 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2011 · median 2001 among the 397 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Georgia
There are 530 gastroenterology physician records in Georgia.
All 530 in Georgia → Every provider in Marietta → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Basil Al-Awabdy, MDMarietta, GA 300601134336332
- Arif Aziz, MDMarietta, GA 300601538144613
- David Ballard, III, MDMarietta, GA 300601245215953
- Suku George, MD., MPH.Marietta, GA 300601619952777
- Sachin Goel, MDMarietta, GA 300601922071208
- Ross Kommor, MDMarietta, GA 300601972588051
- Jack Koransky, MDMarietta, GA 300601780669721
- Anna Longacre, MDMarietta, GA 300601831118405
Common questions
What is Ahmed Aly Messallam, M.D's NPI number?
Ahmed Aly Messallam, M.D's National Provider Identifier (NPI) is 1629489547, issued on May 13, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Ahmed Aly Messallam, M.D located?
The NPPES record lists a practice address at 780 Canton RD NE Ste 328, Marietta, GA, 30060. Phone: (470) 267-1760. Providers update this record themselves, so call before visiting.
How can I verify Ahmed Aly Messallam, M.D's license?
NPPES lists Georgia license number 74933, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ahmed Aly Messallam, M.D prescribe under Medicare Part D?
In 2024, Ahmed Aly Messallam, M.D had 624 Medicare Part D claims for 245 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Ahmed Aly Messallam, M.D's MIPS final score?
The 2023 MIPS final score is 89.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.