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DR. MAZIN HALLAJ M.D.
NPI 1376778696
Preventive Medicine - Occupational Medicine in Oakwood Village, OH

Active since May 17, 2009PECOS EnrolledAccepts Medicare Assignment
7730 FIRST PL, SUITE D, OAKWOOD VILLAGE, OH 44146(440) 735-0438(440) 735-0484 Get Directions Write a Review

NPPES record last updated: April 27, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Mazin Hallaj M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MAZIN HALLAJ M.D. (NPI 1376778696) is an individual occupational medicine provider in Oakwood Village, Ohio, licensed in Ohio (124411) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1376778696
Entity TypeIndividualMale
Primary Taxonomy2083X0100X
Provider Legal NameDR. MAZIN HALLAJCredential: M.D.
Location Address7730 FIRST PL, SUITE DOakwood Village, OH 44146-6719
Mailing Address7730 First Pl, Suite DOakwood Village, OH 44146-6719 · (440) 735-0438 · Fax (440) 735-0484
Phone(440) 735-0438
Fax(440) 735-0484
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateMay 17, 2009
Last NPPES UpdateApril 27, 2016
✔ NPI 1376778696 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPreventive Medicine · Occupational MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083X0100X
Licenses✔ Licensed in OH · 124411✔ Licensed in VA · 0101245226
Definition
Occupational medicine focuses on the health of workers, including the ability to perform work; the physical, chemical, biological, and social environments of the workplace; and the health outcomes of environmental exposures. Practitioners in this field address the promotion of health in the work place, and the prevention and management of occupational and environmental injury, illness, and disability.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 0101245226 (VA)
7730 FIRST PL, Oakwood Village, OH 44146
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Oscar Health, Oscar Health Insurance and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mazin Hallaj M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8123179942
PECOS Enrollment IDI20141117000846
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mazin Hallaj reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

American Current Care Of Ohio PA Co
1,023 mi
Urgent Care
5080 SPECTRUM DR, SUITE 1200 WEST
Addison, TX 75001
  • Reassigned Medicare billing, Ohio enrollment
  • 35 clinicians in this Medicare group
NPI 1023292943 (972) 720-7772

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44146 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ROBERT E. PETRAS MD
Pathology (Anatomic Pathology & Clinical Pathology)
7730 FIRST PL, SUITE A
OAKWOOD VILLAGE, OH 44146
Cuyahoga County (800) 331-7546
DR. WILLIAM E. KATZIN MD
Pathology (Anatomic Pathology & Clinical Pathology)
7730 FIRST PL, SUITE A
OAKWOOD VILLAGE, OH 44146
Cuyahoga County (800) 331-7546
OCCUPATIONAL HEALTH CENTERS OF OHIO, P.A., CO.
Clinic/Center (Occupational Medicine)
7730 FIRST PL, SUITE D
OAKWOOD VILLAGE, OH 44146
Cuyahoga County (440) 735-0438
DR. ZISSIS VESOULIS MD
Pathology (Anatomic Pathology & Clinical Pathology)
7730 FIRST PL, SUITE A
OAKWOOD VILLAGE, OH 44146
Cuyahoga County (800) 331-7546
DR. NIBHA SAXENA MD
Pathology (Anatomic Pathology & Clinical Pathology)
7730 FIRST PL
OAKWOOD VILLAGE, OH 44146
Cuyahoga County (800) 331-7546
DR. TERRY L. GRAMLICH MD
Pathology (Anatomic Pathology)
7730 FIRST PL, SUITE A
OAKWOOD VILLAGE, OH 44146
Cuyahoga County (800) 331-7546
DR. JESSICA E SIGEL MD
Pathology (Dermatopathology)
7730 FIRST PL, SUITE A
OAKWOOD VILLAGE, OH 44146
Cuyahoga County (440) 703-2100
DR. PAUL STUART SHILLING DPT
Physical Therapist
7730 FIRST PL
OAKWOOD VILLAGE, OH 44146
Cuyahoga County (440) 735-0438

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mazin Hallaj's NPI number?

The NPI number for Mazin Hallaj is 1376778696. It was assigned to this individual provider in the NPPES registry on May 17, 2009.

Where is Mazin Hallaj located?

Mazin Hallaj practices at 7730 First Pl Suite D, Oakwood Village, OH 44146. The listed phone number is (440) 735-0438.

What is Mazin Hallaj's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Occupational Medicine, with taxonomy code 2083X0100X.

Is Mazin Hallaj enrolled in Medicare?

Yes. Mazin Hallaj is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Mazin Hallaj's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mazin Hallaj reassigns Medicare benefits to American Current Care Of Ohio PA Co (Addison, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mazin Hallaj's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mazin Hallaj accept?

Health plans from CareSource, Oscar Health, Oscar Health Insurance, Oscar Health Maintenance Organization of Florida and Oscar Health Plan of North Carolina, Inc and 3 other insurers list Mazin Hallaj as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mazin Hallaj was last updated on April 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.