MICHAEL V. CALLAHAN M.D. – NPI #1770698821
Internal Medicine
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
MICHAEL CALLAHAN is a physician located in CAMBRIDGE, MA. NPPES has assigned the NPI number 1770698821 to MICHAEL CALLAHAN on August 20, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207RI0200X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Infectious Disease
The NPI profile was previously updated about 19 years ago on Jul 08, 2007. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for MICHAEL CALLAHAN below.
NPI Profile for
MICHAEL V. CALLAHAN
(about 20 years ago)
CAMBRIDGE, MA 02139-4232 Phone: (617) 768-8800 Fax:
WASHINGTON, DC 20008-1150 Phone: (617) 768-8800 Fax:
A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 207RI0200X - Internal Medicine / Infectious Disease (Primary) |
MA | 213200 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.