Shawn Kakkathottathil Mathew, DO - Medicare Internal Medicine in Plainview, NY

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Shawn Kakkathottathil Mathew, DO is a medicare enrolled "Allergy & Immunology" physician in Plainview, New York. He graduated from medical school in 2019 and has 6 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice North Shore-lij Medical Pc and his current practice location is 888 Old Country Rd, Plainview, New York. You can reach out to his office (for appointments etc.) via phone at (516) 719-3000.

Shawn Kakkathottathil Mathew is licensed to practice in New York (license number 318868) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1528521309.

Contact Information

Shawn Kakkathottathil Mathew, DO
888 Old Country Rd,
Plainview, NY 11803-4914
(516) 719-3000
Not Available

Map and Direction




Physician's Profile

Full NameShawn Kakkathottathil Mathew
GenderMale
SpecialityInternal Medicine
Experience6 Years
Location888 Old Country Rd, Plainview, New York
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Shawn Kakkathottathil Mathew graduated from medical school in 2019
  NPI Data:
  • NPI Number: 1528521309
  • Provider Enumeration Date: 04/09/2019
  • Last Update Date: 05/21/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 2668814963
  • Enrollment ID: I20240531000203

Medical Identifiers

Medical identifiers for Shawn Kakkathottathil Mathew such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528521309NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 318868 (New York)Secondary
207K00000XAllergy & Immunology 318868 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Plainview HospitalPlainview, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
North Shore-lij Medical Pc33757015685625

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. Shawn Kakkathottathil Mathew allows following entities to bill medicare on his behalf.
Entity NameNorth Shore-lij Medical Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053688572
PECOS PAC ID: 3375701568
Enrollment ID: O20120220000262

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. Shawn Kakkathottathil Mathew 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
Shawn Kakkathottathil Mathew, DO
239 Lafayette St,
Williston Park, NY 11596-1515

Ph: (516) 477-9850		Shawn Kakkathottathil Mathew, DO
888 Old Country Rd,
Plainview, NY 11803-4914

Ph: (516) 719-3000

Reviews and Comments


Allergy & Immunology Doctors in Plainview, NY

Shaan M. Waqar, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 146a Manetto Hill Rd Ste 200, Plainview, NY 11803
Phone: 516-931-5353    Fax: 516-931-4235
Dr. Gregory Puglisi, M.D.
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 1171 Old Country Rd, 5, Plainview, NY 11803
Phone: 516-938-7676    Fax: 516-938-7718
Eugene N. Gerardi, MD
Allergy & Immunology
Medicare: Medicare Enrolled
Practice Location: 1171 Old Country Rd, Suite #5, Plainview, NY 11803
Phone: 516-938-7676    Fax: 516-938-7718
Dr. Joseph Anthony Grillo, M.D.
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 1171 Old Country Rd Ste 5, Plainview, NY 11803
Phone: 516-938-7676    

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.