Lianna Mashkovich, NP
- Industry payments
- $109
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 1991 Marcus Avenue, Lake Success, NY 11042
- Practice phone
- Call (317) 796-7565
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
New Hyde Park Endoscopy
Surgery Center - Medicare-Certified · Lake Success, New York
Find Lianna Mashkovich'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.
Lianna Mashkovich is a pediatric nurse practitioner in New Hyde Park, New York
Lianna Mashkovich practices at New Hyde Park Endoscopy in Lake Success, New York.
Lianna Mashkovich's NPI, 1548931587, was assigned on September 21, 2021. Lianna Mashkovich holds New York license 383167.
- NPI
- 1548931587NPI Registry (opens in a new tab)
- NPI enumeration date
- September 21, 2021
- NPI status
- Active
- Practice phone
- (317) 796-7565
- 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
Lianna Mashkovich practices at New Hyde Park Endoscopy in Lake Success, New York
Lianna Mashkovich's primary practice is New Hyde Park Endoscopy, at 1991 Marcus Avenue, Lake Success, NY 11042. The practice phone is (317) 796-7565.
- New Hyde Park Endoscopy1991 Marcus Avenue, Lake Success, NY 11042Phone(317) 796-7565
Source: Dmand AI Affiliation Data
Lianna Mashkovich is affiliated with 1 site of care and 1 medical group
Lianna Mashkovich's primary practice is New Hyde Park Endoscopy in Lake Success, New York. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Lianna Mashkovich's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lianna Mashkovich practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| New Hyde Park Endoscopy | Available with a free account |
Source: Dmand AI Technology Install Data
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Lianna Mashkovich is one of 949 pediatric nurse practitioners in New York
Nurse practitioner is Lianna Mashkovich's primary specialty in the NPI Registry, under taxonomy code 363LP0200X. The record also lists pediatrics. Lianna Mashkovich is licensed in New York.
Specialties and state licenses
- Pediatric nurse practitioner, New YorkPrimary
Pediatric nurse practitioners near Lianna Mashkovich
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
Lianna Mashkovich's patients have a median age of 14
Across all payers, Dmand AI patient panel data puts Lianna Mashkovich's median patient age at 14, with 75% women.
Lianna Mashkovich's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 14
Patient panel by sex, all payers
- Women75%
- Men25%
Source: Dmand AI Patient Panel Data
Lianna Mashkovich received $109 in industry payments in 2025
CMS Open Payments shows 1 general payment to Lianna Mashkovich from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $109.
Companies that paid Lianna Mashkovich 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 Lianna Mashkovich'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 Lianna Mashkovich
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What is Lianna Mashkovich's NPI number?
Lianna Mashkovich's NPI number is 1548931587. It was assigned on September 21, 2021, and it is active in the NPI Registry.
What does Lianna Mashkovich specialize in?
Lianna Mashkovich is a pediatric nurse practitioner in New Hyde Park, New York. The primary specialty in the NPI Registry is Pediatric Nurse Practitioner (taxonomy code 363LP0200X).
Where does Lianna Mashkovich practice?
Lianna Mashkovich practices at 1991 Marcus Avenue, Lake Success, NY 11042. Lianna Mashkovich's primary practice is New Hyde Park Endoscopy in Lake Success, New York.
What is Lianna Mashkovich's office phone number?
The practice phone on file for Lianna Mashkovich is (317) 796-7565.
What is Lianna Mashkovich's medical license number?
Lianna Mashkovich holds New York license 383167.
What medical group is Lianna Mashkovich part of?
Lianna Mashkovich is linked to Northwell Health Physician Partners Cardiology at Great Neck.
Has Lianna Mashkovich received payments from drug or device companies?
CMS Open Payments shows $109 in general payments to Lianna Mashkovich from 1 company from 2025 to 2025. The largest total came from Genentech, Inc.
How long has Lianna Mashkovich been practicing?
Lianna Mashkovich's NPI was assigned in 2021.
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