Nicholas Henry Elias Mezitis, MD - Medicare Endocrinology in Belpre, OH

Nicholas Henry Elias Mezitis, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Belpre, Ohio. He graduated from medical school in 1977 and has 49 years of diverse experience with area of expertise as Endocrinology. He is a member of the group practice Ohiohealth Corporation, Marietta Memorial Hospital and his current practice location is 1818 Washington Blvd Ste F, Belpre, Ohio. You can reach out to his office (for appointments etc.) via phone at (740) 423-3640.

Nicholas Henry Elias Mezitis is licensed to practice in Ohio (license number 35.123869) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1265527295.

Contact Information

Nicholas Henry Elias Mezitis, MD
1818 Washington Blvd Ste F,
Belpre, OH 45714-2080
(740) 423-3640
(740) 423-3641

Map and Direction




Physician's Profile

Full NameNicholas Henry Elias Mezitis
GenderMale
SpecialityEndocrinology
Experience49 Years
Location1818 Washington Blvd Ste F, Belpre, Ohio
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Nicholas Henry Elias Mezitis graduated from medical school in 1977
  NPI Data:
  • NPI Number: 1265527295
  • Provider Enumeration Date: 10/04/2006
  • Last Update Date: 12/10/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 7618996174
  • Enrollment ID: I20140814001356

Medical Identifiers

Medical identifiers for Nicholas Henry Elias Mezitis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265527295NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 35.123869 (Ohio)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Marietta Memorial HospitalMarietta, OHHospital
Ohiohealth O'bleness HospitalAthens, OHHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ohiohealth Corporation63057584262085
Marietta Memorial Hospital8224928965353

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Nicholas Henry Elias Mezitis allows following entities to bill medicare on his behalf.
Entity NameOhiohealth Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578545273
PECOS PAC ID: 6305758426
Enrollment ID: O20031105000532
Entity NameMarietta Memorial Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962106328
PECOS PAC ID: 8224928965
Enrollment ID: O20040317000973

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Nicholas Henry Elias Mezitis is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Nicholas Henry Elias Mezitis, MD
Po Box 7527,
Dublin, OH 43017-0727

Ph: () -
Nicholas Henry Elias Mezitis, MD
1818 Washington Blvd Ste F,
Belpre, OH 45714-2080

Ph: (740) 423-3640

Reviews and Comments


Internal Medicine Doctors in Belpre, OH

Kelli A Cawley, MD
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Jay Richard Mcdougal, D.O.
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Dr. Allison Batchelor, MD
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Lowell Shinn Jr., M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 807 Farson St Ste 210, Belpre, OH 45714
Phone: 740-376-5000    Fax: 740-376-5002

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.