Mazen Issa, MD
Gastroenterology Physician · Cleveland, OH
Mazen Issa, MD is a gastroenterology physician with a practice address in Cleveland, Ohio, and NPI 1598755464, issued on Oct 24, 2005. Check the license (Ohio 35-079269, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mazen Issa
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 35-079269 OH
Self-reported in NPPES; status is on the state search - Practice location
- 18780 Bagley RD Ste 200, Cleveland, OH 44130
- Phone
- (440) 816-4546
- Enumerated
- Oct 24, 2005
- Record last updated
- Jan 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 2309826 OH
- Medicare enrollment
- Enrolled (PECOS I20040414000970); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 741 in Ohio → Look up another NPI →
Also registered at 18780 Bagley RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison Bruno, CNPAcute Care Nurse Practitioner1932483104
- Nitin Davessar, MDGastroenterology Physician1871592568
Verify Mazen Issa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35-079269Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,636 Medicare Part D claims for 544 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Pantoprazole Sodium583 claims
- Famotidine279 claims
- Sod Sulf-Potass Sulf-Mag Sulf96 claims
- Sucralfate81 claims
- Lactulose59 claims
- Gavilyte-G54 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 practice group's MIPS final score for 2023 (Medicare payment program): 77.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $147.49
7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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
- Southwest General Medical Group IncMiddleburg Heights, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mazen Issa among 741 gastroenterology physician records in Ohio
Mazen Issa, MD is one of 741 gastroenterology physician records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 78% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1996 · median 2003 among the 540 with a school on file
- Record last updated2021 · 48% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Ohio
There are 741 gastroenterology physician records in Ohio.
All 741 in Ohio → Every provider in Cleveland → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Nitin Davessar, MDCleveland, OH 441301871592568
- Subhash Mahajan, M.D.Cleveland, OH 441301053399063
- Suresh Mahajan, M.D.Cleveland, OH 441301003908047
- Mark Modic, MDMiddleburg Heights, OH 441301336148022
- Newton Muthunayagam, M.D.Middleburg Heights, OH 441301043367105
- Lakshmaiah Pola, MDMiddleburg Heights, OH 441301952300642
- Fady HaddadParma, OH 441291306286372
- Unni Kumar, M.D.Parma, OH 441291679569552
Common questions
What is Mazen Issa, MD's NPI number?
Mazen Issa, MD's National Provider Identifier (NPI) is 1598755464, issued on Oct 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mazen Issa, MD located?
The NPPES record lists a practice address at 18780 Bagley RD Ste 200, Cleveland, OH, 44130. Phone: (440) 816-4546. Providers update this record themselves, so call before visiting.
How can I verify Mazen Issa, MD's license?
NPPES lists Ohio license number 35-079269, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mazen Issa, MD prescribe under Medicare Part D?
In 2024, Mazen Issa, MD had 1,636 Medicare Part D claims for 544 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Mazen Issa, MD's MIPS final score?
The 2023 MIPS final score is 77.3 of 100, reported for the practice group. 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.