Dr Michael A Callahan, MD - Medicare Ophthalmology in Birmingham, AL

Dr Michael A Callahan, MD is a medicare enrolled "Ophthalmology" physician in Birmingham, Alabama. He went to University Of Alabama School Of Medicine and graduated in 1971 and has 48 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice University Of Alabama Ophthalmology Services Foundation and his current practice location is 700 18th St S, Suite 711, Birmingham, Alabama. You can reach out to his office (for appointments etc.) via phone at (205) 933-6888.

Dr Michael A Callahan is licensed to practice in Alabama (license number 00006083) 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 1902892151.

Contact Information

700 18th St S
Suite 711
Birmingham
AL 35233-3806
(205) 933-6888
(205) 933-6421

Map and Direction




Physician's Profile

Full NameDr Michael A Callahan
GenderMale
SpecialityOphthalmology
Experience48 Years
LocationBirmingham, Alabama
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 Michael A Callahan attended and graduated from University Of Alabama School Of Medicine in 1971
  NPI Data:
  • NPI Number: 1902892151
  • Provider Enumeration Date: 09/23/2005
  • Last Update Date: 10/12/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 9739142050
  • Enrollment ID: I20041108001068

Medical Identifiers

Medical identifiers for Dr Michael A Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902892151NPI-NPPES
51011042OtherALBCBS
528500580MedicaidAL
000011042OtherALMEDICARE PTAN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology 00006083 (Alabama)Primary

Hospital Affiliation

Hospital NameLocationType
Callahan Eye HospitalBirmingham, ALAcute Care Hospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Alabama Ophthalmology Services Foundation923402341730

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 Michael A Callahan allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Alabama Ophthalmology Services Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265485999
PECOS PAC ID: 9234023417
Enrollment ID: O20040210000034
Entity NameMichael A Callahan Md & Assoc Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780751040
PECOS PAC ID: 9638196942
Enrollment ID: O20051026000736

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 Michael A Callahan 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 Michael A Callahan, MD
700 18th St S
Suite 711
Birmingham
AL 35233-3806

Ph: (205) 933-6888
Dr Michael A Callahan, MD
700 18th St S
Suite 711
Birmingham
AL 35233-3806

Ph: (205) 933-6888

Reviews and Comments

Ophthalmology Doctors in Birmingham, AL

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Phone: 205-592-3911    Fax: 205-592-3537
Carol E Rosenstiel, OD
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Matthew Henry Oltmanns, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 1201 11th Ave S, Suite 300, Birmingham, AL 35205
Phone: 205-933-2625    Fax: 205-558-2553
Harold Augustus Helms, MD, PHD
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Medicare: Not Enrolled in Medicare
Practice Location: 1100 23rd St S, Ste 100, Birmingham, AL 35205
Phone: 205-933-2020    Fax: 205-933-0908
John S Parker, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 700 18th St S, Suite 503, Birmingham, AL 35233
Phone: 205-933-1077    
Walter Tyson Parker, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 1000 19th St S, Birmingham, AL 35205
Phone: 205-930-0700    Fax: 205-930-9127

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.