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Dr. John Mascari, MD

  • New York, NY
  • Neonatologist
NPI1154828507PAC ID8820573124
Hospital affiliations
1
Medical group
1
State license
1
Year NPI issued
2018
Practice address
525 East 68th Street, New York, NY 10065
Practice phone
Call (212) 746-5454
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

NewYork-Presbyterian/Weill Cornell Medical Center

Hospital · New York, New York

See all 5 affiliations

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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.

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Dr. John Mascari is a neonatologist in New York, New York

Dr. Mascari practices at NewYork-Presbyterian/Weill Cornell Medical Center in New York, New York, part of NewYork-Presbyterian Hospital.

Dr. Mascari's NPI, 1154828507, was assigned on April 11, 2018. Dr. Mascari graduated from Geisel School of Medicine at Dartmouth in 2018. Dr. Mascari holds New York license 337258.

NPI and contact details
NPI
1154828507NPI Registry (opens in a new tab)
Medicare PAC ID
8820573124
NPI enumeration date
April 11, 2018
NPI status
Active
Practice phone
(212) 746-5454
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. John Mascari practices at NewYork-Presbyterian/Weill Cornell Medical Center in New York, New York

Dr. Mascari's primary practice is NewYork-Presbyterian/Weill Cornell Medical Center, at 525 East 68th Street, New York, NY 10065 in New York County. The practice phone is (212) 746-5454.

Source: Dmand AI Affiliation Data

Dr. John Mascari is affiliated with 4 sites of care and 1 medical group

Dr. Mascari's primary practice is NewYork-Presbyterian/Weill Cornell Medical Center in New York, New York, part of NewYork-Presbyterian Hospital. The medical group on file is Weill Cornell Physicians. Dmand AI also links Dr. Mascari to 2 more clinical labs and 1 group practice or clinic, each named with a free account.

Weill Cornell PhysiciansPrimary care group, New York, NY2 clinical labsNames with a free account1 group practice or clinicName with a free account
See all 5 affiliations for Dr. Mascari

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John Mascari's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mascari practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
NewYork-Presbyterian/Weill Cornell Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Mascari is one of 409 neonatologists in New York

Neonatal-perinatal medicine is Dr. Mascari's primary specialty in the NPI Registry, under taxonomy code 2080N0001X. Dr. Mascari is licensed in New York.

Specialties and state licenses

  • Neonatal-perinatal medicine, New YorkPrimaryLicense 337258 · taxonomy 2080N0001X

Neonatologists near Dr. Mascari

Counts of neonatologists with a Dmand AI profile, by place and practice. Each opens the list.

409neonatologists in New York104neonatologists in New York18neonatologists at NewYork-Presbyterian/Weill Cornell Medical Center

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John Mascari's patients have a median age of 2

Across all payers, Dmand AI patient panel data puts Dr. Mascari's median patient age at 2, with 60% women.

Dr. Mascari's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 2

Patient panel by sex, all payers

  • Women60%
  • Men40%

Source: Dmand AI Patient Panel Data

Dr. John Mascari graduated from Geisel School of Medicine at Dartmouth

Dr. Mascari graduated from Geisel School of Medicine at Dartmouth in 2018.

  1. Medical schoolGeisel School of Medicine at Dartmouth

Source: Dmand AI Professional Profile Data

Sources for Dr. John Mascari's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Mascari

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. John Mascari's NPI number?

Dr. John Mascari's NPI number is 1154828507. It was assigned on April 11, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. John Mascari?

Dr. John Mascari is a neonatologist in New York, New York. The primary specialty in the NPI Registry is Neonatal-Perinatal Medicine Physician (taxonomy code 2080N0001X).

Where does Dr. John Mascari practice?

Dr. Mascari practices at 525 East 68th Street, New York, NY 10065. Dr. Mascari's primary practice is NewYork-Presbyterian/Weill Cornell Medical Center in New York, New York, part of NewYork-Presbyterian Hospital. Dmand AI also links Dr. Mascari to 2 clinical labs and 1 group practice or clinic.

What is Dr. John Mascari's office phone number?

The practice phone on file for Dr. Mascari is (212) 746-5454.

What is Dr. John Mascari's medical license number?

Dr. Mascari holds New York license 337258.

Which hospitals is Dr. John Mascari affiliated with?

Dr. Mascari practices at NewYork-Presbyterian/Weill Cornell Medical Center in New York, New York.

What medical group is Dr. John Mascari part of?

Dr. Mascari is linked to Weill Cornell Physicians.

Where did Dr. John Mascari go to medical school?

Dr. Mascari graduated from Geisel School of Medicine at Dartmouth in 2018.

How long has Dr. John Mascari been practicing?

Dr. Mascari graduated from medical school in 2018, 8 years ago.

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