Dr John Martin Mcmahon Jr, MD - Medicare Emergency Medicine in Mobile, AL

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Dr John Martin Mcmahon Jr, MD is a medicare enrolled "Emergency Medicine" physician in Mobile, Alabama. His current practice location is 3719 Dauphin St, Mobile, Alabama. You can reach out to his office (for appointments etc.) via phone at (251) 460-5333.

Dr John Martin Mcmahon Jr is licensed to practice in Alabama (license number 13833) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1639126741.

Contact Information

Dr John Martin Mcmahon Jr, MD
3719 Dauphin St,
Mobile, AL 36608-1753
(251) 460-5333
(251) 460-5295

Map and Direction




Physician's Profile

Full NameDr John Martin Mcmahon Jr
GenderMale
SpecialityEmergency Medicine
Location3719 Dauphin St, Mobile, Alabama
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1639126741
  • Provider Enumeration Date: 05/27/2006
  • Last Update Date: 10/13/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 6305899543
  • Enrollment ID: I20110201000716

Medical Identifiers

Medical identifiers for Dr John Martin Mcmahon Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639126741NPI-NPPES
000086320559400060MedicaidAL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 13833 (Alabama)Primary

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 John Martin Mcmahon Jr allows following entities to bill medicare on his behalf.
Entity NameUniversity Of South Alabama
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992746838
PECOS PAC ID: 3072425149
Enrollment ID: O20040115000773
Entity NameUsa Health Physician Billing Services Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720645468
PECOS PAC ID: 9931436912
Enrollment ID: O20190814000827

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 John Martin Mcmahon Jr 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 John Martin Mcmahon Jr, MD
Po Box 2847, Dept 1060,
Mobile, AL 36652-2847

Ph: (562) 809-3530		Dr John Martin Mcmahon Jr, MD
3719 Dauphin St,
Mobile, AL 36608-1753

Ph: (251) 460-5333

Reviews and Comments


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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.