Mostafa Mohamed Ezzat Hamza A Mazen, MD
Ophthalmology Physician · Duluth, MN
Mostafa Mohamed Ezzat Hamza A Mazen, MD is an ophthalmology physician with a practice address in Duluth, Minnesota, and NPI 1497284731, issued on Jun 9, 2017. Check the license on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Mostafa Mohamed Ezzat Hamza A Mazen
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 296424 NY
MD22505 ME
2023011649 MO
Self-reported in NPPES; status is on the state search - Practice location
- 400 E 3RD St, Duluth, MN 55805
- Phone
- (218) 786-8364
- Enumerated
- Jun 9, 2017
- Record last updated
- Apr 20, 2023
- Medicare enrollment
- Enrolled (PECOS I20231109002219); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 434 in Minnesota → Look up another NPI →
Also registered at 400 E 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mostafa Mohamed Ezzat Hamza A Mazen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical PracticeCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,413 Medicare Part D claims for 376 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Latanoprost247 claims
- Prednisolone Acetate202 claims
- Ketorolac Tromethamine165 claims
- Timolol Maleate97 claims
- Brimonidine Tartrate91 claims
- Ofloxacin76 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.
Industry payments in 2024: $1,371.96
16 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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 2 group practices
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
- Ophthalmology Consultants LLCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mostafa Mohamed Ezzat Hamza A Mazen among 434 ophthalmology physician records in Minnesota
Mostafa Mohamed Ezzat Hamza A Mazen, MD is one of 434 ophthalmology physician records with a practice address in Minnesota. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 80% of them.
- NPI issued2017 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2007 · median 2006 among the 282 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Minnesota
There are 434 ophthalmology physician records in Minnesota.
All 434 in Minnesota → Every provider in Duluth → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Grishma Bharucha, M.D.Duluth, MN 558051609137363
- Sarah GalchusDuluth, MN 558051720193089
- David Herman, M.D.Duluth, MN 558051790763977
- Angela McAllister, M.D.Duluth, MN 558051891006037
- Luke Moore, M.D.Duluth, MN 558051023452182
- Joseph MorehouseDuluth, MN 558051447294459
- Thomas ShueyDuluth, MN 558051508808247
- Daniel SkorichDuluth, MN 558051659315968
Common questions
What is Mostafa Mohamed Ezzat Hamza A Mazen, MD's NPI number?
Mostafa Mohamed Ezzat Hamza A Mazen, MD's National Provider Identifier (NPI) is 1497284731, issued on Jun 9, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mostafa Mohamed Ezzat Hamza A Mazen, MD located?
The NPPES record lists a practice address at 400 E 3RD St, Duluth, MN, 55805. Phone: (218) 786-8364. Providers update this record themselves, so call before visiting.
How can I verify Mostafa Mohamed Ezzat Hamza A Mazen, MD's license?
Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mostafa Mohamed Ezzat Hamza A Mazen, MD prescribe under Medicare Part D?
In 2024, Mostafa Mohamed Ezzat Hamza A Mazen, MD had 1,413 Medicare Part D claims for 376 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
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.