John Mascari, MD - Medicare Pediatric Medicine in New York, NY

  1. Home
  2. Pediatrics
  3. NY
  4. New York
John Mascari, MD is a medicare enrolled "Pediatrics - Neonatal-perinatal Medicine" physician in New York, New York. He went to Geisel School Of Medicine At Dartmouth and graduated in 2018 and has 8 years of diverse experience with area of expertise as Pediatric Medicine. His current practice location is 1283 York Ave, New York, New York. You can reach out to his office (for appointments etc.) via phone at (646) 697-6428.

John Mascari is licensed to practice in New York (license number 337258) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1154828507.

Contact Information

John Mascari, MD
1283 York Ave,
New York, NY 10065
(646) 697-6428
Not Available

Map and Direction




Physician's Profile

Full NameJohn Mascari
GenderMale
SpecialityPediatric Medicine
Experience8 Years
Location1283 York Ave, New York, New York
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • John Mascari attended and graduated from Geisel School Of Medicine At Dartmouth in 2018
  NPI Data:
  • NPI Number: 1154828507
  • Provider Enumeration Date: 04/11/2018
  • Last Update Date: 03/02/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 8820573124
  • Enrollment ID: I20260403000426

Medical Identifiers

Medical identifiers for John Mascari such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154828507NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2080N0001XPediatrics - Neonatal-perinatal Medicine 337258 (New York)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. John Mascari allows following entities to bill medicare on his behalf.
Entity NameWeill Medical College of Cornell
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124170212
PECOS PAC ID: 6800709023
Enrollment ID: O20031118000661

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. John Mascari is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John Mascari, MD
1283 York Ave,
New York, NY 10065

Ph: Not Available		John Mascari, MD
1283 York Ave,
New York, NY 10065

Ph: (646) 697-6428

Reviews and Comments


Pediatrics Doctors in New York, NY

Dr. Robert Michael Lembo, MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 462 1st Ave, New York, NY 10016
Phone: 212-263-6425    
Dr. Sean Michael Bailey, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 530 1st Ave, Suite 7a, New York, NY 10016
Phone: 212-263-7477    
Dr. Diana Trevas Fleisher,
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 550 1st Ave, New York, NY 10016
Phone: 212-263-3293    Fax: 212-263-3522
Dr. Nooralam Ahmad Rai, MD
Pediatrics
Medicare: Accepting Medicare Assignments
Practice Location: 3959 Broadway # Chc701, New York, NY 10032
Phone: 212-305-5122    Fax: 212-305-6103
Deborah Valentine Shamsian, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 21 W 86th St, New York, NY 10024
Phone: 212-304-5800    
Morgan Bowling, D.O.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 281 1st Ave, New York, NY 10003
Phone: 212-420-2860    
Yue Christine Lu, MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 1275 York Ave, New York, NY 10065
Phone: 212-639-6911    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.