John Mark Chestnut, MD - Medicare Emergency Medicine in Birmingham, AL

John Mark Chestnut, MD is a medicare enrolled "Emergency Medicine" physician in Birmingham, Alabama. His current practice location is 619 19th St S, Birmingham, Alabama. You can reach out to his office (for appointments etc.) via phone at (205) 934-3640.

John Mark Chestnut is licensed to practice in Georgia (license number 71326) 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 1497044499.

Contact Information

John Mark Chestnut, MD
619 19th St S,
Birmingham, AL 35249-1900
(205) 934-3640
Not Available

Map and Direction




Physician's Profile

Full NameJohn Mark Chestnut
GenderMale
SpecialityEmergency Medicine
Location619 19th St S, Birmingham, Alabama
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1497044499
  • Provider Enumeration Date: 03/31/2011
  • Last Update Date: 07/03/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 9739334913
  • Enrollment ID: I20140812001685

Medical Identifiers

Medical identifiers for John Mark Chestnut such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497044499NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 71326 (Georgia)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. John Mark Chestnut allows following entities to bill medicare on his behalf.
Entity NameGeorgia Emergency Medicine Specialists, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316064629
PECOS PAC ID: 1153317151
Enrollment ID: O20040423001126

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. John Mark Chestnut 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
John Mark Chestnut, MD
619 19th St S,
Birmingham, AL 35249-1900

Ph: (205) 934-3640
John Mark Chestnut, MD
619 19th St S,
Birmingham, AL 35249-1900

Ph: (205) 934-3640

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.

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