Dr Roy Kwak, MD - Medicare Radiology in New York, NY

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Dr Roy Kwak, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in New York, New York. His current practice location is 423 E 23rd St, Room 6564, New York, New York. You can reach out to his office (for appointments etc.) via phone at (212) 636-7500.

Dr Roy Kwak is licensed to practice in California (license number A87176) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1306039425.

Contact Information

Dr Roy Kwak, MD
423 E 23rd St, Room 6564,
New York, NY 10010-5011
(212) 636-7500
Not Available

Map and Direction




Physician's Profile

Full NameDr Roy Kwak
GenderMale
SpecialityRadiology - Diagnostic Radiology
Location423 E 23rd St, 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: 1306039425
  • Provider Enumeration Date: 08/22/2007
  • Last Update Date: 04/02/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 2365679917
  • Enrollment ID: I20131205001902

Medical Identifiers

Medical identifiers for Dr Roy Kwak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306039425NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085N0700XRadiology - Neuroradiology A87176 (California)Secondary
2085R0202XRadiology - Diagnostic Radiology A87176 (California)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. Dr Roy Kwak allows following entities to bill medicare on his behalf.
Entity NameLin Radiological Associates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346306164
PECOS PAC ID: 6204840267
Enrollment ID: O20060128000047
Entity NameFocus Medical Imaging
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528299989
PECOS PAC ID: 6406999259
Enrollment ID: O20100202000905

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 Roy Kwak 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 Roy Kwak, MD
423 E 23rd St, Room 6564,
New York, NY 10010-5011

Ph: (212) 636-7500		Dr Roy Kwak, MD
423 E 23rd St, Room 6564,
New York, NY 10010-5011

Ph: (212) 636-7500

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.

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