Stephen M Abo D O LLC
NPI 1285057810 · Medical Oncology Physician · Montclair, NJ
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen M Abo D O LLC is a Medical Oncology Physician organization in Montclair, NJ (NPI 1285057810).
Provider details
- NPI number
- 1285057810
- Entity type
- Organization
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Stephen Abo, President(973) 839-1003
- License
- 25MB07545100 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-02-03
- Last updated
- 2014-04-28
Frequently asked questions
- What is Stephen M Abo D O LLC's NPI number?
- Stephen M Abo D O LLC's National Provider Identifier (NPI) is 1285057810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Stephen M Abo D O LLC?
- Stephen M Abo D O LLC is classified in the NPPES registry as Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen M Abo D O LLC located?
- Stephen M Abo D O LLC's practice location on file with NPPES is 1 Bay Ave, Montclair, NJ 07042-4837.
- What is Stephen M Abo D O LLC's phone number?
- The practice phone number listed in the NPPES registry for Stephen M Abo D O LLC is (973) 259-3555.
- Does Stephen M Abo D O LLC accept Medicare?
- Stephen M Abo D O LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Stephen M Abo D O LLC?
- The authorized official listed on Stephen M Abo D O LLC's NPPES record is Stephen Abo, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Stephen M Abo D O LLC's NPI active?
- Yes — Stephen M Abo D O LLC's NPI (1285057810) is active in the NPPES registry as of the last update on 2014-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.