Jennifer Marcus, MD
NPI 1295834174 · Anesthesiology Physician · Belleville, NJ
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Marcus, MD is a Anesthesiology Physician provider in Belleville, NJ (NPI 1295834174).
Provider details
- NPI number
- 1295834174
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA08056800 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$394 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jennifer Marcus's NPI number?
- Jennifer Marcus's National Provider Identifier (NPI) is 1295834174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Marcus's specialty?
- Jennifer Marcus is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Marcus located?
- Jennifer Marcus's practice location on file with NPPES is One Clara Maass Dr, Belleville, NJ 07109.
- What is Jennifer Marcus's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Marcus is (908) 653-9399.
- Does Jennifer Marcus accept Medicare?
- Jennifer Marcus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Marcus's NPI active?
- Yes — Jennifer Marcus's NPI (1295834174) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.