Alyssa Leokadia Than, CRNP - Medicare Nurse Practitioner in New York, NY

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Alyssa Leokadia Than, CRNP is a medicare enrolled "Nurse Practitioner - Pediatrics, Critical Care" in New York, New York. Her current practice location is 1275 York Ave, New York, New York. You can reach out to her office (for appointments etc.) via phone at (419) 509-6660.

Alyssa Leokadia Than is licensed to practice in New York (license number 382944) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1225502354.

Contact Information

Alyssa Leokadia Than, CRNP
1275 York Ave,
New York, NY 10065-6007
(419) 509-6660
Not Available

Map and Direction




Provider's Profile

Full NameAlyssa Leokadia Than
GenderFemale
SpecialityNurse Practitioner - Pediatrics, Critical Care
Location1275 York Ave, New York, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1225502354
  • Provider Enumeration Date: 01/11/2019
  • Last Update Date: 05/04/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 5597184671
  • Enrollment ID: I20200923003323

Medical Identifiers

Medical identifiers for Alyssa Leokadia Than such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225502354NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP0222XNurse Practitioner - Pediatrics, Critical Care 382944 (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. Alyssa Leokadia Than allows following entities to bill medicare on her behalf.
Entity NameMemorial Pediatric Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750352381
PECOS PAC ID: 1557250958
Enrollment ID: O20040313000033
Entity NameMskcc Surgery Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699766261
PECOS PAC ID: 0345131405
Enrollment ID: O20040320000446

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. Alyssa Leokadia Than 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
Alyssa Leokadia Than, CRNP
455 W 37th St Apt 1603,
New York, NY 10018-4789

Ph: (419) 509-6660		Alyssa Leokadia Than, CRNP
1275 York Ave,
New York, NY 10065-6007

Ph: (419) 509-6660

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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