Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Allegiance MSO LLC

Organization Pain Medicine (Anesthesiology) Physician · NPI 1871950311

Allegiance MSO LLC is a Pain Medicine (Anesthesiology) Physician in Lawrenceville, New Jersey. Registered with an NPI since 2016.

In the registry since
2016
Specialties on file
15
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

1719 Brunswick Ave
Lawrenceville, NJ 08648-4665
Phone: (609) 337-7925
Fax: (609) 337-7938
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X
Pain Medicine (Anesthesiology) Physician Taxonomy 207LP2900X
Family Medicine Physician Taxonomy 207Q00000X
Cardiovascular Disease Physician Taxonomy 207RC0000X
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X
Gastroenterology Physician Taxonomy 207RG0100X
Hematology & Oncology Physician Taxonomy 207RH0003X
Infectious Disease Physician Taxonomy 207RI0200X
Pulmonary Disease Physician Taxonomy 207RP1001X
Rheumatology Physician Taxonomy 207RR0500X
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X
Pediatric Adolescent Medicine Physician Taxonomy 2080A0000X
General Practice Physician Taxonomy 208D00000X
Nurse Practitioner Taxonomy 363L00000X

Record details

NPI number1871950311
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Anasse Souidi — Owner · (609) 695-4422
NPI enumeratedJanuary 27, 2016
Last updated in NPPESJanuary 27, 2016
Mailing address40 Fuld St, Suite 201, Trenton, NJ 08638-5247