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

Stephen M Abo D O LLC

Organization Medical Oncology Physician · NPI 1285057810

Stephen M Abo D O LLC is a Medical Oncology Physician in Montclair, New Jersey. Licensed in New Jersey. Registered with an NPI since 2014.

Licensed in
NJ
In the registry since
2014
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

1 Bay Ave Ste 1
Montclair, NJ 07042-4837
Phone: (973) 259-3555
Fax: (973) 839-3653
Show map & directions

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

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 25MB07545100 (NJ)

Record details

NPI number1285057810
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Stephen Abo — President · (973) 839-1003
NPI enumeratedFebruary 3, 2014
Last updated in NPPESApril 28, 2014
Mailing address713 Girard Ave, Westfield, NJ 07090-2309