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Contact Information

MARGARET CALLAHAN, MD
263 FARMINGTON AVE
FARMINGTON, CT06030
 Phone: 860-679-2100
 Fax:
 Website:
 

Specialty

Taxonomy Code Specialty Code Provider Type

Medical Oncology

207RX0202X 11 Physician/Internal Medicine
Indicates primary specialty

NPI Profile & details for MARGARET CALLAHAN · (Female)

NPI Number 1508098534
Status Active
Credentials MD
Entity Individual
Enumeration date 08/09/2009
Last updated 01/16/2024 - About 2 years ago
Sole proprietor 1 No
Identifiers
  • CT License # 075986
  • NY License # 251318-1
Hospital affiliation(s)
  • MEMORIAL HOSPITAL FOR CANCER AND ALLIED DISEASES - (Acute Care)
    1275 YORK AVENUE
    NEW YORK, NY 10021
1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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