Charles M Callahan, MD - Medicare Infectious Disease in Fort Myers, FL

Charles M Callahan, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Fort Myers, Florida. He went to University Of South Florida College Of Medicine and graduated in 1993 and has 31 years of diverse experience with area of expertise as Infectious Disease. He is a member of the group practice Lee Memorial Health System and his current practice location is 2780 Cleveland Ave Ste 809, Fort Myers, Florida. You can reach out to his office (for appointments etc.) via phone at (239) 343-9680.

Charles M Callahan is licensed to practice in Florida (license number ME68793) 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 1023095510.

Contact Information

Charles M Callahan, MD
2780 Cleveland Ave Ste 809,
Fort Myers, FL 33901-5817
(239) 343-9680
(239) 343-4178

Map and Direction




Physician's Profile

Full NameCharles M Callahan
GenderMale
SpecialityInfectious Disease
Experience31 Years
Location2780 Cleveland Ave Ste 809, Fort Myers, Florida
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:
  • Charles M Callahan attended and graduated from University Of South Florida College Of Medicine in 1993
  NPI Data:
  • NPI Number: 1023095510
  • Provider Enumeration Date: 12/27/2005
  • Last Update Date: 11/12/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7012956576
  • Enrollment ID: I20050426000209

Medical Identifiers

Medical identifiers for Charles M Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023095510NPI-NPPES
060064707OtherFLRAILROAD
281231200MedicaidFL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0200XInternal Medicine - Infectious Disease ME68793 (Florida)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Cape Coral HospitalCape coral, FLHospital
Lee Memorial HospitalFort myers, FLHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Lee Memorial Health System87299966081073

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. Charles M Callahan allows following entities to bill medicare on his behalf.
Entity NameLee Memorial Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992873319
PECOS PAC ID: 8729996608
Enrollment ID: O20031118000604

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. Charles M 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
Charles M Callahan, MD
Po Box 2147,
Fort Myers, FL 33902-2147

Ph: (239) 343-9680
Charles M Callahan, MD
2780 Cleveland Ave Ste 809,
Fort Myers, FL 33901-5817

Ph: (239) 343-9680

Reviews and Comments


Internal Medicine Doctors in Fort Myers, FL

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Phone: 239-343-2052    Fax: 239-343-5348
Dr. Lazaro Amed Diaz, MD
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Steven John Voiles, M.D.
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Richard A Chazal, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 9800 S Health Park Dr, Suite 320, Fort Myers, FL 33908
Phone: 239-343-6350    Fax: 239-343-6358

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.