MARY T. BLACKWELL MD – NPI #1538141965
Pediatrics

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

MARY BLACKWELL is a physician located in BOSTON, MA. NPPES has assigned the NPI number 1538141965 to MARY BLACKWELL on November 21, 2005. It is a Type-1 NPI, indicating this NPI number is associated with an individual. She is also known by her other name MARY ELIZABETH THIERY. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 2080N0001X from the Health Care Provider Taxonomy code set, which is classified as Pediatrics, specializing in Neonatal-Perinatal Medicine

The NPI profile was last updated on Sep 11, 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 MARY BLACKWELL below.

NPI Profile for
MARY T. BLACKWELL

NPI Number
1538141965
Enumeration Date

(more than 20 years ago)
Entity Type
Type-1  Individual (Female)
Legal Name
MARY T. BLACKWELL
Other Name: MARY ELIZABETH THIERY
Credentials
MD
Primary location
DOWLING 3 SOUTH ONE BOSTON MEDICAL CENTER PLACE
CHILD HEALTH FOUNDATION OF BOSTON
BOSTON, MA 02118
Phone: (617) 414-5170 Fax: (617) 414-3803
Mailing address
ONE BOSTON MEDCIAL CENTER PLACE
DIVISION OF PEDIATRICS DOWLING 3 SOUTH
BOSTON, MA 02118
Phone: (617) 414-5170 Fax: (617) 414-3803
Updated
Identifiers

Identifiers for MARY BLACKWELL

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
medicaidMA3114147
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
2080N0001X
- Pediatrics / Neonatal-Perinatal Medicine (Primary)
MA 78516
208000000X
- Pediatrics
MA 78516

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.