Dr. Jennifer Marcus, MD
- Medicare services, 2020
- 30
- Hospital affiliations
- 1
- Industry payments
- $1,157
- Medical groups
- 3
- State license
- 1
- Practice address
- One Clara Maass Drive, Belleville, NJ 07109
- Practice phone
- Call (973) 450-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marcus' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jennifer Marcus is an anesthesiologist in Wayne, New Jersey
Dr. Marcus practices at Clara Maass Medical Center in Belleville, New Jersey, part of RWJBarnabas Health.
Dr. Marcus' NPI, 1295834174, was assigned on September 21, 2006. Dr. Marcus holds New Jersey license 25MA08056800.
- NPI
- 1295834174NPI Registry (opens in a new tab)
- NPI enumeration date
- September 21, 2006
- NPI status
- Active
- Practice phone
- (973) 450-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jennifer Marcus practices in Belleville and Wayne
Dr. Marcus' primary practice is Clara Maass Medical Center, at One Clara Maass Drive, Belleville, NJ 07109 in Essex County. The practice phone is (973) 450-2000. The NPI Registry lists Dr. Marcus' practice address as 1176 Hamburg Turnpike, Wayne, NJ 07470.
- Clara Maass Medical CenterPrimaryOne Clara Maass Drive, Belleville, NJ 07109 · Essex CountyPhone(973) 450-2000
- NPI Registry address1176 Hamburg Turnpike, Wayne, NJ 07470 · Passaic CountyPhone(908) 653-9399
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Jennifer Marcus is affiliated with 1 site of care and 3 medical groups
Dr. Marcus' primary practice is Clara Maass Medical Center in Belleville, New Jersey, part of RWJBarnabas Health. The medical group on file is Advanced Ambulatory Anesthesia. Dmand AI also links Dr. Marcus to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jennifer Marcus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marcus practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Clara Maass Medical Center | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jennifer Marcus is one of 1,613 anesthesiologists in New Jersey
Anesthesiology is Dr. Marcus' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Marcus is licensed in New Jersey.
Specialties and state licenses
- Anesthesiology, New JerseyPrimary
Anesthesiologists near Dr. Marcus
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jennifer Marcus billed Medicare for 30 services in 2020
CMS data shows 30 Medicare services from Dr. Marcus across 2 procedure codes in 2020. Medicare paid $3,331 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Marcus' Medicare services by type, 2019 to 2020
- 2019
- 2020
- Anesthesia
- 2019: 462020: 3035%
Dr. Marcus compared with the New Jersey median for anesthesiologists, 2020
- Dr. Marcus
- New Jersey median
- Medicare services
- 30vs 9267% below
Medians across 1,604 anesthesiologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Marcus' most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marcus and other anesthesiologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
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Dr. Jennifer Marcus received $1,157 in industry payments from 2016 to 2025
CMS Open Payments shows 33 general payments to Dr. Marcus from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $365.
General payments to Dr. Marcus by program year, 2016 to 2025
Companies that paid Dr. Marcus the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jennifer Marcus's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jennifer Marcus
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Jennifer Marcus' NPI number?
Dr. Jennifer Marcus' NPI number is 1295834174. It was assigned on September 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jennifer Marcus?
Dr. Jennifer Marcus is an anesthesiologist in Wayne, New Jersey. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Jennifer Marcus practice?
Dr. Marcus practices at One Clara Maass Drive, Belleville, NJ 07109. Dr. Marcus also practices at 1176 Hamburg Turnpike, Wayne, NJ 07470. Dr. Marcus' primary practice is Clara Maass Medical Center in Belleville, New Jersey, part of RWJBarnabas Health. Dmand AI also links Dr. Marcus to 2 medical groups.
What is Dr. Jennifer Marcus' office phone number?
The practice phone on file for Dr. Marcus is (973) 450-2000.
What is Dr. Jennifer Marcus' medical license number?
Dr. Marcus holds New Jersey license 25MA08056800.
Which hospitals is Dr. Jennifer Marcus affiliated with?
Dr. Marcus practices at Clara Maass Medical Center in Belleville, New Jersey.
What medical group is Dr. Jennifer Marcus part of?
Dr. Marcus is linked to Advanced Ambulatory Anesthesia. Dmand AI links Dr. Marcus to 2 more medical groups.
Does Dr. Jennifer Marcus accept Medicare?
Yes. CMS data shows Dr. Marcus billed Medicare for 30 services in 2020.
What services does Dr. Jennifer Marcus bill to Medicare?
In 2020, Dr. Marcus' most billed Medicare services were anesthesia (00811) and anesthesia (00731).
Has Dr. Jennifer Marcus received payments from drug or device companies?
CMS Open Payments shows $1,157 in general payments to Dr. Marcus from 16 companies from 2016 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Jennifer Marcus been practicing?
Dr. Marcus' NPI was assigned in 2006.
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