617 Primary Care PLLC – Family Medicine Physician

Key facts

NPI: 1629925425
Entity type: Organization (NPI type 2)
Primary specialty: Family Medicine Physician 207Q00000X
Legal business name: 617 PRIMARY CARE PLLC
Practice address: 777 Concord Ave Ste 105
Cambridge, MA 02138-1053
Phone: (617) 675-4085
Fax: (617) 360-3163
NPI assigned: Mar 12, 2026
Organization subpart: No

Authorized official

Name: Paulius Mui, MD
Title: Owner
Phone: (617) 840-6340

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

Paulius Mui, MD Family Medicine Physician · Cambridge, MA · NPI 1578183141

NPD FAMILY MEDICINE

Laboratory certificates & supplier records

Name & address match These CMS records do not include an NPI. They are shown here because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA number	Laboratory	Certificate	Expires
22D2341541	617 Primary Care PLLC 777 Concord Ave, Cambridge, MA 02138	Certificate of waiver	Apr 2, 2028

National Provider Directory

Specialties & licenses

Specialty (taxonomy)	Code	License	State	Primary
Family Medicine Physician Group: 193400000X SINGLE SPECIALTY GROUP	207Q00000X			Yes

Addresses

Primary practice location

777 Concord Ave Ste 105
Cambridge, MA 02138-1053

Mailing address

777 Concord Ave Ste 105
Cambridge, MA 02138-1053
Phone (617) 675-4085

Other providers in Cambridge, MA

All providers in Cambridge, MA · Family Medicine Physician in Massachusetts

Sources for this page

NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Mar 12, 2026. Information in NPPES is self-reported and not verified by CMS.
NUCC Health Care Provider Taxonomy: specialty names.
Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.