Mary Feiler, PNP
- Industry payments
- $38
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 285 W Main St, Sayville, NY 11782
- Practice phone
- Call (631) 444-1362
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Stony Brook Children's Service
Pediatric practice · Sayville, New York
Find Mary Feiler'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.
Mary Feiler is a pediatric nurse practitioner in Sayville, New York
Mary Feiler practices at Stony Brook Children's Service in Sayville, New York.
Mary Feiler's NPI, 1801297775, was assigned on September 10, 2014. Mary Feiler holds New York license 382476-1N.
- NPI
- 1801297775NPI Registry (opens in a new tab)
- NPI enumeration date
- September 10, 2014
- NPI status
- Active
- Practice phone
- (631) 444-1362
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Mary Feiler practices at Stony Brook Children's Service in Sayville, New York
Mary Feiler's primary practice is Stony Brook Children's Service, at 285 W Main St, Sayville, NY 11782. The practice phone is (631) 444-1362.
- Stony Brook Children's Service285 W Main St, Sayville, NY 11782Phone(631) 444-1362
Source: Dmand AI Affiliation Data
Mary Feiler is affiliated with 1 site of care and 1 medical group
Mary Feiler's primary practice is Stony Brook Children's Service in Sayville, New York. The medical group on file is Stony Brook Children's Service.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mary Feiler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Feiler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stony Brook Children's Service | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary Feiler is one of 949 pediatric nurse practitioners in New York
Nurse practitioner is Mary Feiler's primary specialty in the NPI Registry, under taxonomy code 363LP0200X. The record also lists pediatrics. Mary Feiler is licensed in New York.
Specialties and state licenses
- Pediatric nurse practitioner, New YorkPrimary
Pediatric nurse practitioners near Mary Feiler
Counts of pediatric nurse practitioners 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
Mary Feiler's patients have a median age of 6
Across all payers, Dmand AI patient panel data puts Mary Feiler's median patient age at 6, with 51% women.
Mary Feiler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 6
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Mary Feiler received $38 in industry payments in 2025
CMS Open Payments shows 2 general payments to Mary Feiler from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Collegium Pharmaceutical, Inc. paid the most, $23.
Companies that paid Mary Feiler the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mary Feiler'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Mary Feiler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary Feiler's NPI number?
Mary Feiler's NPI number is 1801297775. It was assigned on September 10, 2014, and it is active in the NPI Registry.
What does Mary Feiler specialize in?
Mary Feiler is a pediatric nurse practitioner in Sayville, New York. The primary specialty in the NPI Registry is Pediatric Nurse Practitioner (taxonomy code 363LP0200X).
Where does Mary Feiler practice?
Mary Feiler practices at 285 W Main St, Sayville, NY 11782. Mary Feiler's primary practice is Stony Brook Children's Service in Sayville, New York.
What is Mary Feiler's office phone number?
The practice phone on file for Mary Feiler is (631) 444-1362.
What is Mary Feiler's medical license number?
Mary Feiler holds New York license 382476-1N.
What medical group is Mary Feiler part of?
Mary Feiler is linked to Stony Brook Children's Service.
Has Mary Feiler received payments from drug or device companies?
CMS Open Payments shows $38 in general payments to Mary Feiler from 2 companies from 2025 to 2025. The largest total came from Collegium Pharmaceutical, Inc.
How long has Mary Feiler been practicing?
Mary Feiler's NPI was assigned in 2014.
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