Mazin Hallaj, M.D.
Occupational Medicine Physician · Oakwood Village, OH
Mazin Hallaj, M.D. is an occupational medicine physician with a practice address in Oakwood Village, Ohio, and NPI 1376778696, issued on May 17, 2009. Check the license (Ohio 124411, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mazin Hallaj
- Credential
- M.D.
- Primary taxonomy
- Occupational Medicine Physician 2083X0100X
- License numbers
- 124411 OH
0101245226 VA
Self-reported in NPPES; status is on the state search - Practice location
- 7730 First PL, Oakwood Village, OH 44146
- Phone
- (440) 735-0438
- Enumerated
- May 17, 2009
- Record last updated
- Apr 27, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (440) 735-0484
- Medicare enrollment
- Enrolled (PECOS I20141117000846); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest occupational medicine physician records → All 109 in Ohio → Look up another NPI →
Also registered at 7730 First PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Terry Gramlich, MDAnatomic Pathology Physician1841275781
- William Katzin, MDAnatomic Pathology & Clinical Pathology Physician1255316063
- Robert Petras, MDAnatomic Pathology & Clinical Pathology Physician1134105661
- Nibha Saxena, MDAnatomic Pathology & Clinical Pathology Physician1841270113
- Paul Shilling, DPTPhysical Therapist1992931786
- Jessica Sigel, MDDermatopathology (Pathology) Physician1912986746
Verify Mazin Hallaj in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 124411Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average occupational medicine physician in 2024
17 Medicare Part D claims for 14 beneficiaries, against an average of 794 among the 463 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bills Medicare through one group practice
- American Current Care OF Ohio PA COOakwood Village, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mazin Hallaj among 109 occupational medicine physician records in Ohio
Mazin Hallaj, M.D. is one of 109 occupational medicine physician records with a practice address in Ohio. 23% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 74% of them.
- NPI issued2009 · 74% of these records are older, 22% newer
- In a Medicare fileYes · 23% of these records are
- In the CMS Doctors and Clinicians fileYes · 10% of these records are
- Graduated2005 · median 1990 among the 11 with a school on file
- Record last updated2016 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083X0100X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 occupational medicine physician record lists a practice address in Oakwood Village
They are 1 of the 55 NPPES records with a practice address in Oakwood Village, and 109 occupational medicine physician records in Ohio.
All 109 in Ohio → Every provider in Oakwood Village → Occupational Medicine Physician nationwide →
The 8 occupational medicine physician records with the nearest ZIP codes
- Kent Soderstrum, M.D.Cleveland, OH 441311871611772
- Jeffrey Kirschman, M.D.Parma, OH 441301417063710
- Amanda Hagen, M.D.Garfield Heights, OH 441251326019472
- Scott Singer, MD MPHCleveland, OH 441251578509220
- Elizabeth Mease, MDBeachwood, OH 441221356426456
- Kevin Trangle, MDBeachwood, OH 441221366512642
- Steven Rodgers, M.D.Cleveland, OH 441091679691562
- Francis Yuhas, D.O.Cleveland, OH 441091023130697
Common questions
What is Mazin Hallaj, M.D.'s NPI number?
Mazin Hallaj, M.D.'s National Provider Identifier (NPI) is 1376778696, issued on May 17, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mazin Hallaj, M.D. located?
The NPPES record lists a practice address at 7730 First PL, Oakwood Village, OH, 44146. Phone: (440) 735-0438. Providers update this record themselves, so call before visiting.
How can I verify Mazin Hallaj, M.D.'s license?
NPPES lists Ohio license number 124411, 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 Mazin Hallaj, M.D. prescribe under Medicare Part D?
In 2024, Mazin Hallaj, M.D. had 17 Medicare Part D claims for 14 beneficiaries; the average among occupational medicine physician prescribers was 794. 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.