Dr Alana A Choy-shan, MD - Medicare Internal Medicine in New York, NY

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Dr Alana A Choy-shan, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in New York, New York. She went to New York University School Of Medicine and graduated in 2004 and has 21 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice New York University and her current practice location is 423 E 23rd St, New York, New York. You can reach out to her office (for appointments etc.) via phone at (646) 584-9852.

Dr Alana A Choy-shan is licensed to practice in New York (license number 239212) 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 1912103540.

Contact Information

Dr Alana A Choy-shan, MD
423 E 23rd St,
New York, NY 10010-5011
(646) 584-9852
Not Available

Map and Direction




Physician's Profile

Full NameDr Alana A Choy-shan
GenderFemale
SpecialityInternal Medicine
Experience21 Years
Location423 E 23rd 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:
  • Dr Alana A Choy-shan attended and graduated from New York University School Of Medicine in 2004
  NPI Data:
  • NPI Number: 1912103540
  • Provider Enumeration Date: 06/21/2007
  • Last Update Date: 09/24/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 3577732247
  • Enrollment ID: I20110815000314

Medical Identifiers

Medical identifiers for Dr Alana A Choy-shan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1912103540NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease 239212 (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
New York University13552324225027

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. Dr Alana A Choy-shan allows following entities to bill medicare on her behalf.
Entity NameNew York University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285826438
PECOS PAC ID: 1355232422
Enrollment ID: O20090822000026
Entity NameMetropolitan Medical Practice Plan Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1306138383
PECOS PAC ID: 8022286384
Enrollment ID: O20110713000171

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. Dr Alana A Choy-shan 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
Dr Alana A Choy-shan, MD
423 E 23rd St,
New York, NY 10010-5011

Ph: (646) 584-9852		Dr Alana A Choy-shan, MD
423 E 23rd St,
New York, NY 10010-5011

Ph: (646) 584-9852

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).

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.