1457227670 NPI number — MASSIS SPEECH & LANGUAGE PLLC

Table of Contents

General

This information contains only most important part of the NPI data, for complete information, including NPI referencing materials please refer to 1457227670 NPI number — MASSIS SPEECH & LANGUAGE PLLC

Organization/Personal Information

Employer Identification Number (EIN):
Provider Organization Name:
MASSIS SPEECH & LANGUAGE PLLC
Provider Last Name:
Provider First Name:
Provider Middle Name:
Provider Name Prefix Text:
Provider Name Suffix Text:
Provider Credential Text:
Provider Gender Code:

Provider's Other Name Information

Provider Other Organization Name:
Provider Other Organization Name Type Code:
Provider Other Last Name:
Provider Other First Name:
Provider Other Middle Name:
Provider Other Name Prefix Text:
Provider Other Name Suffix Text:
Provider Other Credential Text:
Provider Other Last Name Type Code:

NPI Number Information

NPI Number:
1457227670
Entity Type Code:
Organization
Replacement NPI:
Last Update Date:
10/14/2025
NPI Deactivation Reason Code:
NPI Deactivation Date:
NPI Reactivation Date:

Provider's Business Mailing Address

Provider First Line Business Mailing Address:
450 MASSACHUSETTS AVE NW APT 904
Provider Second Line Business Mailing Address:
Provider Business Mailing Address City Name:
WASHINGTON
Provider Business Mailing Address State Name:
DC
Provider Business Mailing Address Postal Code:
20001-6220
Provider Business Mailing Address Country Code:
US
Provider Business Mailing Address Telephone Number:
571-329-2658
Provider Business Mailing Address Fax Number:

Provider's Practice Location Mailing Address

Provider First Line Business Practice Location Address:
209 ELDEN ST STE 204
Provider Second Line Business Practice Location Address:
Provider Business Practice Location Address City Name:
HERNDON
Provider Business Practice Location Address State Name:
VA
Provider Business Practice Location Address Postal Code:
20170-4846
Provider Business Practice Location Address Country Code:
US
Provider Business Practice Location Address Telephone Number:
571-329-2658
Provider Business Practice Location Address Fax Number:
Provider Enumeration Date:
10/14/2025

Additional Information

			
		

Authorized Official

Authorized Official Last Name:
MASSIS
Authorized Official First Name:
PETRA
Authorized Official Middle Name:
Authorized Official Title or Position:
OWNER
Authorized Official Telephone Number:
571-329-2658

Provider Taxonomy Codes

  • Taxonomy code: 235Z00000X ; information, associated with the NPI states the following Primary Taxonomy Switch: "Y" .

Other Provider's Identifiers (legacy, non-NPI)