CAITLIN KEENAN MD – NPI #1518600410
Internal Medicine

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

CAITLIN KEENAN is a physician located in BOSTON, MA. NPPES has assigned the NPI number 1518600410 to CAITLIN KEENAN on April 18, 2022. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207RH0003X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Hematology & Oncology

The NPI profile was last updated on Jul 16, 2025. 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 CAITLIN KEENAN below.

NPI Profile for
CAITLIN KEENAN

NPI Number
1518600410
Enumeration Date

(more than 4 years ago)
Entity Type
Type-1  Individual (Female)
Legal Name
CAITLIN KEENAN
Credentials
MD
Primary location
860 WASHINGTON ST
BOSTON, MA 02111-1521
Phone: (617) 636-5291 Fax:
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
Jul 16, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

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
207RH0003X
- Internal Medicine / Hematology & Oncology (Primary)
MA 3018092

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.