Dr. Marianne Elizabeth De Gennaro, DO
- Part D claims, 2024
- 20
- Hospital affiliations
- 1
- Industry payments
- $187
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- One Riverview Plaza, Red Bank, NJ 07701
- Practice phone
- Call (732) 741-2700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. De Gennaro's 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. Marianne Elizabeth De Gennaro is a pediatrician in Red Bank, New Jersey
Dr. De Gennaro practices at Riverview Medical Center in Red Bank, New Jersey, part of Hackensack Meridian Health.
Dr. De Gennaro's NPI, 1124113691, was assigned on October 3, 2006. Dr. De Gennaro graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 1987. Dr. De Gennaro holds New Jersey license 25MB06729500.
- NPI
- 1124113691NPI Registry (opens in a new tab)
- NPI enumeration date
- October 3, 2006
- NPI status
- Active
- Practice phone
- (732) 741-2700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Marianne Elizabeth De Gennaro practices at 2 locations in Red Bank, New Jersey
Dr. De Gennaro's primary practice is Riverview Medical Center, at One Riverview Plaza, Red Bank, NJ 07701 in Monmouth County. The practice phone is (732) 741-2700. Dr. De Gennaro also practices at Riverview Medical Center, 1 Riverview Plz, Red Bank, NJ 07701.
- Riverview Medical CenterPrimaryOne Riverview Plaza, Red Bank, NJ 07701 · Monmouth CountyPhone(732) 741-2700
- Riverview Medical Center1 Riverview Plz, Red Bank, NJ 07701 · Monmouth CountyPhone(732) 741-2700
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Marianne Elizabeth De Gennaro is affiliated with 1 site of care
Dr. De Gennaro's primary practice is Riverview Medical Center in Red Bank, New Jersey, part of Hackensack Meridian Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marianne Elizabeth De Gennaro's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. De Gennaro practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverview Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Hackensack Meridian Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Marianne Elizabeth De Gennaro is one of 1,923 pediatricians in New Jersey
Pediatrics is Dr. De Gennaro's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dmand AI has Dr. De Gennaro's licenses on file in 2 states: New Jersey and New York.
Specialties and state licenses
- Pediatrics, New JerseyPrimary
- New York license
Pediatricians near Dr. De Gennaro
Counts of pediatricians 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. Marianne Elizabeth De Gennaro's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. De Gennaro's median patient age at 9, with 53% women.
Dr. De Gennaro's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women53%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. Marianne Elizabeth De Gennaro wrote 20 Medicare Part D claims in 2024
In 2024, Dr. De Gennaro wrote 20 Medicare Part D claims. 90% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $14 in total drug cost.
Dr. De Gennaro's Part D claims by kind of drug, 2024
- Generic18 claims90%
- Brand-name and other2 claims10%
Dr. De Gennaro's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Marianne Elizabeth De Gennaro received $187 in industry payments from 2016 to 2024
CMS Open Payments shows 11 general payments to Dr. De Gennaro from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $60.
General payments to Dr. De Gennaro by program year, 2016 to 2024
Companies that paid Dr. De Gennaro the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marianne Elizabeth De Gennaro graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine
Dr. De Gennaro graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marianne Elizabeth De Gennaro'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 DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Marianne Elizabeth De Gennaro
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. Marianne Elizabeth De Gennaro's NPI number?
Dr. Marianne Elizabeth De Gennaro's NPI number is 1124113691. It was assigned on October 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marianne Elizabeth De Gennaro?
Dr. Marianne Elizabeth De Gennaro is a pediatrician in Red Bank, New Jersey. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Marianne Elizabeth De Gennaro practice?
Dr. De Gennaro practices at One Riverview Plaza, Red Bank, NJ 07701. Dr. De Gennaro also practices at 1 Riverview Plz, Red Bank, NJ 07701. Dr. De Gennaro's primary practice is Riverview Medical Center in Red Bank, New Jersey, part of Hackensack Meridian Health.
What is Dr. Marianne Elizabeth De Gennaro's office phone number?
The practice phone on file for Dr. De Gennaro is (732) 741-2700.
What is Dr. Marianne Elizabeth De Gennaro's medical license number?
Dr. De Gennaro holds New Jersey license 25MB06729500, one of the licenses on file in 2 states.
Which states has Dr. Marianne Elizabeth De Gennaro been licensed in?
Dmand AI has state licenses on file for Dr. De Gennaro in New Jersey and New York.
Which hospitals is Dr. Marianne Elizabeth De Gennaro affiliated with?
Dr. De Gennaro practices at Riverview Medical Center in Red Bank, New Jersey.
Where did Dr. Marianne Elizabeth De Gennaro go to medical school?
Dr. De Gennaro graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 1987.
What drugs does Dr. Marianne Elizabeth De Gennaro prescribe most?
In 2023 Medicare Part D data, Dr. De Gennaro's most prescribed drugs by claims were Metformin HCl.
Has Dr. Marianne Elizabeth De Gennaro received payments from drug or device companies?
CMS Open Payments shows $187 in general payments to Dr. De Gennaro from 6 companies from 2016 to 2024. The largest total came from Sanofi Pasteur Inc.
How long has Dr. Marianne Elizabeth De Gennaro been practicing?
Dr. De Gennaro graduated from medical school in 1987, 39 years ago.
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