Dr David Earl Mcmahon, MD - Medicare Internal Medicine in Orient, OH

Dr David Earl Mcmahon, MD is a medicare enrolled "Internal Medicine" physician in Orient, Ohio. He went to University Of Chicago, Pritzker School Of Medicine and graduated in 1978 and has 46 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Ohiohealth Corporation and his current practice location is 9085 Southern St, Suite A, Orient, Ohio. You can reach out to his office (for appointments etc.) via phone at (614) 277-4670.

Dr David Earl Mcmahon is licensed to practice in Ohio (license number 35063725) 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 1033174339.

Contact Information

Dr David Earl Mcmahon, MD
9085 Southern St, Suite A,
Orient, OH 43146-9360
(614) 277-4670
(617) 871-6314

Map and Direction




Physician's Profile

Full NameDr David Earl Mcmahon
GenderMale
SpecialityInternal Medicine
Experience46 Years
Location9085 Southern St, Orient, 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:
  • Dr David Earl Mcmahon attended and graduated from University Of Chicago, Pritzker School Of Medicine in 1978
  NPI Data:
  • NPI Number: 1033174339
  • Provider Enumeration Date: 04/19/2006
  • Last Update Date: 01/25/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 2264581867
  • Enrollment ID: I20090529000434

Medical Identifiers

Medical identifiers for Dr David Earl Mcmahon such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033174339NPI-NPPES
0890111MedicaidOH

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 35063725 (Ohio)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Berger HospitalCircleville, OHHospital
Riverside Methodist HospitalColumbus, OHHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ohiohealth Corporation63057584261940

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. Dr David Earl Mcmahon 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

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. Dr David Earl Mcmahon 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
Dr David Earl Mcmahon, MD
5450 Frantz Rd Ste 360,
Dublin, OH 43016-4141

Ph: () -
Dr David Earl Mcmahon, MD
9085 Southern St, Suite A,
Orient, OH 43146-9360

Ph: (614) 277-4670

Reviews and Comments


Internal Medicine Doctors in Orient, OH


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.