Sonia Nadeesha De Alwis, - Medicare Endocrinology in New York, NY

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Sonia Nadeesha De Alwis, is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in New York, New York. She graduated from medical school in 2012 and has 12 years of diverse experience with area of expertise as Endocrinology. She is a member of the group practice Optum Medical Care Pc and her current practice location is 317 E 34th St, New York, New York. You can reach out to her office (for appointments etc.) via phone at (212) 726-7437.

Sonia Nadeesha De Alwis is licensed to practice in New York (license number 281048) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1649539990.

Contact Information

Sonia Nadeesha De Alwis,
317 E 34th St,
New York, NY 10016-4974
(212) 726-7437
(212) 981-7243

Map and Direction




Physician's Profile

Full NameSonia Nadeesha De Alwis
GenderFemale
SpecialityEndocrinology
Experience12 Years
Location317 E 34th St, New York, New York
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Sonia Nadeesha De Alwis graduated from medical school in 2012
  NPI Data:
  • NPI Number: 1649539990
  • Provider Enumeration Date: 05/08/2012
  • Last Update Date: 02/06/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 5890092852
  • Enrollment ID: I20160318001580

Medical Identifiers

Medical identifiers for Sonia Nadeesha De Alwis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1649539990NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 281048 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
New York University Langone Medical CenterNew york, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Optum Medical Care Pc9931013240961

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. Sonia Nadeesha De Alwis allows following entities to bill medicare on her behalf.
Entity NameOptum Medical Care Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1982643003
PECOS PAC ID: 9931013240
Enrollment ID: O20031119000321
Entity NameNew York University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285826438
PECOS PAC ID: 1355232422
Enrollment ID: O20090822000026

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. Sonia Nadeesha De Alwis 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
Sonia Nadeesha De Alwis,
110 S Bedford Rd,
Mount Kisco, NY 10549-3446

Ph: (914) 241-1050		Sonia Nadeesha De Alwis,
317 E 34th St,
New York, NY 10016-4974

Ph: (212) 726-7437

Reviews and Comments


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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).

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