DR. THOMAS GREGORY WALKER M.D. NPI 1821088154

NPI Information

  • NPI: 1821088154
  • Provider Name: DR. THOMAS GREGORY WALKER, M.D.
  • Classification: Radiology - 2085R0204X
  • Specialization: Vascular & Interventional Radiology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 55 FRUIT ST # 290A
    MASSACHUSETTS GENERAL HOSPITAL
    BOSTON, MA
    ZIP 02114
  • Phone: (617) 726-8314

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NPI Details

DR. Thomas Gregory Walker, M.D. is a vascular and interventional radiology radiology in Boston, MA. The provider is a radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging. DR. Thomas Gregory Walker, M.D. NPI is 1821088154. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

55 FRUIT ST # 290A
MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA
ZIP 02114-621
Phone: (617) 726-8314
Fax: (617) 726-8476

The NPI 1821088154 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Fluoroscopic guidance for insertion or removal of central vein access device (HCPCS:77001)
  • Ultrasonic guidance for blood vessel access (HCPCS:76937)
  • Complete ultrasound study of arm and leg arteries (HCPCS:93923)
  • Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS:93971)

The enumeration date for this NPI number is 10/27/2005 and was last updated on 12/31/2019.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
12085R0202XRadiologyDiagnostic Radiology53265MASSACHUSETTSNo
22085R0204XRadiologyVascular & Interventional Radiology53265MASSACHUSETTSYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
16182372MEDICAIDMASSACHUSETTS

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 3/30/2025

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