Lois J. Demaio, FNP, RNFA
- Hospital affiliations
- 1
- Industry payments
- $116
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 400 East Main Street, Mount Kisco, NY 10549
- Practice phone
- Call (914) 666-1200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Lois Demaio'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.
Lois J. Demaio is a registered nurse first assistant in Mount Kisco, New York
Lois Demaio practices at Northern Westchester Hospital in Mount Kisco, New York, part of Northwell Health.
Lois Demaio's NPI, 1477541118, was assigned on October 6, 2005. Lois Demaio holds New York license 343024.
- NPI
- 1477541118NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618926106
- NPI enumeration date
- October 6, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (914) 666-1200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Lois J. Demaio practices at Northern Westchester Hospital in Mount Kisco, New York
Lois Demaio's primary practice is Northern Westchester Hospital, at 400 East Main Street, Mount Kisco, NY 10549 in Westchester County. The practice phone is (914) 666-1200.
- Northern Westchester Hospital400 East Main Street, Mount Kisco, NY 10549 · Westchester CountyPhone(914) 666-1200
Source: Dmand AI Affiliation Data
Lois J. Demaio is affiliated with 1 site of care and 1 medical group
Lois Demaio's primary practice is Northern Westchester Hospital in Mount Kisco, New York, part of Northwell Health. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Lois J. Demaio's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lois Demaio practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northern Westchester 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 Northwell Health and 6.2K+ hospitals, with verified contacts in the same login.
Lois J. Demaio is one of 18 registered nurse first assistants in New York
Registered nurse first assistant is Lois Demaio's primary specialty in the NPI Registry, under taxonomy code 163WR0006X. Lois Demaio is licensed in New York.
Specialties and state licenses
- Registered nurse first assistant, New YorkPrimary
Registered nurse first assistants near Lois Demaio
Counts of registered nurse first assistants 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
Lois J. Demaio's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Lois Demaio's median patient age at 64, with 50% women.
Lois Demaio's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
How Lois J. Demaio takes part in Medicare
Lois Demaio accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Lois J. Demaio received $116 in industry payments in 2025
CMS Open Payments shows 1 general payment to Lois Demaio from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. KARL STORZ Endoscopy-America paid the most, $116.
Companies that paid Lois Demaio 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 Lois J. Demaio'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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Lois J. Demaio
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Lois J. Demaio's NPI number?
Lois J. Demaio's NPI number is 1477541118. It was assigned on October 6, 2005, and it is active in the NPI Registry.
What does Lois J. Demaio specialize in?
Lois J. Demaio is a registered nurse first assistant in Mount Kisco, New York. The primary specialty in the NPI Registry is Registered Nurse First Assistant (taxonomy code 163WR0006X).
Where does Lois J. Demaio practice?
Lois Demaio practices at 400 East Main Street, Mount Kisco, NY 10549. Lois Demaio's primary practice is Northern Westchester Hospital in Mount Kisco, New York, part of Northwell Health.
What is Lois J. Demaio's office phone number?
The practice phone on file for Lois Demaio is (914) 666-1200.
What is Lois J. Demaio's medical license number?
Lois Demaio holds New York license 343024.
Which hospitals is Lois J. Demaio affiliated with?
Lois Demaio practices at Northern Westchester Hospital in Mount Kisco, New York.
What medical group is Lois J. Demaio part of?
Lois Demaio is linked to Northwell Health Physician Partners Cardiology at Great Neck.
Does Lois J. Demaio accept Medicare?
Yes. CMS lists Lois Demaio as accepting Medicare assignment.
Has Lois J. Demaio received payments from drug or device companies?
CMS Open Payments shows $116 in general payments to Lois Demaio from 1 company from 2025 to 2025. The largest total came from KARL STORZ Endoscopy-America.
How long has Lois J. Demaio been practicing?
Lois Demaio graduated from medical school in 2001, 25 years ago.
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