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 53 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 Ste 410, Birmingham, Alabama. You can reach out to his office (for appointments etc.) via phone at (205) 325-8620.

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

Dr Michael A Callahan, MD
700 18th St S Ste 410,
Birmingham, AL 35233-3805
(205) 325-8620
Not Available



Physician's Profile

Full NameDr Michael A Callahan
GenderMale
SpecialityOphthalmology
Experience53 Years
Location700 18th St S Ste 410, Birmingham, 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: 08/19/2020
  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
000011042OtherALMEDICARE PTAN
528500580MedicaidAL
51011042OtherALBCBS

Medical Taxonomies and Licenses

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

Medical Facilities Affiliation

Facility NameLocationFacility Type
Callahan Eye HospitalBirmingham, ALHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Alabama Ophthalmology Services Foundation923402341735

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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

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Medicare Part D Prescriber Enrollment

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Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Michael A Callahan, MD
700 18th St S Ste 410,
Birmingham, AL 35233-3805

Ph: (205) 325-8620
Dr Michael A Callahan, MD
700 18th St S Ste 410,
Birmingham, AL 35233-3805

Ph: (205) 325-8620

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Ophthalmology Doctors in Birmingham, AL

Carol E Rosenstiel, OD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 700 18th St S Ste 200, Birmingham, AL 35233
Phone: 205-325-8620    
Alex J Wright, MD
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 1720 University Blvd, Birmingham, AL 35233
Phone: 205-325-8100    Fax: 205-325-8547
Elmar M Lawaczeck, M.D.
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 1009 Montgomery Hwy, Suite 200, Birmingham, AL 35216
Phone: 205-397-9400    Fax: 205-397-9455
Matthew Henry Oltmanns, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 2208 University Blvd Ste 101, Birmingham, AL 35233
Phone: 205-933-2625    Fax: 205-558-2553
Harold Augustus Helms, MD, PHD
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 1100 23rd St S, Ste 100, Birmingham, AL 35205
Phone: 205-933-2020    Fax: 205-933-0908
Krupa Hasmukh Patel, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 700 18th St S Ste 601, Birmingham, AL 35233
Phone: 205-325-8620    
William Charles Gambla, MD
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 700 18th St S Ste 601, Birmingham, AL 35233
Phone: 205-996-8660    

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