Dr. Jennifer Anne Fenster, MD
- Hospital affiliations
- 1
- Industry payments
- $310
- State licenses
- 2
- Year NPI issued
- 2009
- Practice address
- 5 Perryridge Rd, Greenwich, CT 06830
- Practice phone
- Call (203) 863-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fenster'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. Jennifer Anne Fenster is a pediatrician in Greenwich, Connecticut
Dr. Fenster practices at Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.
Dr. Fenster's NPI, 1538497599, was assigned on December 2, 2009. Dr. Fenster graduated from Drexel University College of Medicine/Hahnemann University in 1999. Dr. Fenster holds Connecticut license 69608.
- NPI
- 1538497599NPI Registry (opens in a new tab)
- NPI enumeration date
- December 2, 2009
- NPI status
- Active
- Practice phone
- (203) 863-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Jennifer Anne Fenster practices at Greenwich Hospital in Greenwich, Connecticut
Dr. Fenster's primary practice is Greenwich Hospital, at 5 Perryridge Rd, Greenwich, CT 06830 in Fairfield County. The practice phone is (203) 863-3000.
- Greenwich Hospital5 Perryridge Rd, Greenwich, CT 06830 · Fairfield CountyPhone(203) 863-3000
Source: Dmand AI Affiliation Data
Dr. Jennifer Anne Fenster is affiliated with 1 site of care
Dr. Fenster's primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jennifer Anne Fenster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fenster practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greenwich Hospital | 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 Yale New Haven Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jennifer Anne Fenster is one of 788 pediatricians in Connecticut
Pediatrics is Dr. Fenster's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dmand AI has Dr. Fenster's licenses on file in 2 states: Connecticut and New York.
Specialties and state licenses
- Pediatrics, ConnecticutPrimary
- New York license
Pediatricians near Dr. Fenster
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. Jennifer Anne Fenster's patients have a median age of 7
Across all payers, Dmand AI patient panel data puts Dr. Fenster's median patient age at 7, with 47% women.
Dr. Fenster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 7
Patient panel by sex, all payers
- Women47%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Jennifer Anne Fenster received $310 in industry payments from 2022 to 2025
CMS Open Payments shows 13 general payments to Dr. Fenster from 6 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $77.
General payments to Dr. Fenster by program year, 2022 to 2025
Companies that paid Dr. Fenster the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jennifer Anne Fenster graduated from Drexel University College of Medicine/Hahnemann University
Dr. Fenster graduated from Drexel University College of Medicine/Hahnemann University in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jennifer Anne Fenster'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 | Dmand AI Affiliation 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 |
| 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. Jennifer Anne Fenster
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 Anne Fenster's NPI number?
Dr. Jennifer Anne Fenster's NPI number is 1538497599. It was assigned on December 2, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Jennifer Anne Fenster?
Dr. Jennifer Anne Fenster is a pediatrician in Greenwich, Connecticut. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Jennifer Anne Fenster practice?
Dr. Fenster practices at 5 Perryridge Rd, Greenwich, CT 06830. Dr. Fenster's primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.
What is Dr. Jennifer Anne Fenster's office phone number?
The practice phone on file for Dr. Fenster is (203) 863-3000.
What is Dr. Jennifer Anne Fenster's medical license number?
Dr. Fenster holds Connecticut license 69608, one of the licenses on file in 2 states.
Which states has Dr. Jennifer Anne Fenster been licensed in?
Dmand AI has state licenses on file for Dr. Fenster in Connecticut and New York.
Which hospitals is Dr. Jennifer Anne Fenster affiliated with?
Dr. Fenster practices at Greenwich Hospital in Greenwich, Connecticut.
Where did Dr. Jennifer Anne Fenster go to medical school?
Dr. Fenster graduated from Drexel University College of Medicine/Hahnemann University in 1999.
Has Dr. Jennifer Anne Fenster received payments from drug or device companies?
CMS Open Payments shows $310 in general payments to Dr. Fenster from 6 companies from 2022 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Jennifer Anne Fenster been practicing?
Dr. Fenster graduated from medical school in 1999, 27 years ago.
Selling to pediatrics practices?
See pediatricians in Connecticut by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card