Dr Peter Youk-twoo Chang, MD - Medicare Internal Medicine in Nanuet, NY

Dr Peter Youk-twoo Chang, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Nanuet, New York. He went to New York Medical College and graduated in 1986 and has 38 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 55 Old Turnpike Rd, Suite 605, Nanuet, New York. You can reach out to his office (for appointments etc.) via phone at (845) 623-8400.

Dr Peter Youk-twoo Chang is licensed to practice in New York (license number 171437) 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 1366426264.

Contact Information

Dr Peter Youk-twoo Chang, MD
55 Old Turnpike Rd, Suite 605,
Nanuet, NY 10954-2461
(845) 623-8400
(845) 623-2451

Map and Direction




Physician's Profile

Full NameDr Peter Youk-twoo Chang
GenderMale
SpecialityInternal Medicine
Experience38 Years
Location55 Old Turnpike Rd, Nanuet, 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:
  • Dr Peter Youk-twoo Chang attended and graduated from New York Medical College in 1986
  NPI Data:
  • NPI Number: 1366426264
  • Provider Enumeration Date: 12/05/2005
  • Last Update Date: 12/20/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 1759354509
  • Enrollment ID: I20040818001220

Medical Identifiers

Medical identifiers for Dr Peter Youk-twoo Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1366426264NPI-NPPES
01632535MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 171437 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Nyack HospitalNyack, NYHospital
Good Samaritan Hospital Of SuffernSuffern, NYHospital

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 Peter Youk-twoo Chang allows following entities to bill medicare on his behalf.
Entity NamePeter Y Chang Md Facg Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881787703
PECOS PAC ID: 9234020082
Enrollment ID: O20040322001839

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 Peter Youk-twoo Chang 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 Peter Youk-twoo Chang, MD
10 Fieldcrest Dr,
New City, NY 10956-5439

Ph: (845) 623-8400
Dr Peter Youk-twoo Chang, MD
55 Old Turnpike Rd, Suite 605,
Nanuet, NY 10954-2461

Ph: (845) 623-8400

Reviews and Comments


Internal Medicine Doctors in Nanuet, NY

Dr. Fayyaz A Sheikh, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 274 S Middletown Rd, Nanuet, NY 10954
Phone: 845-512-8386    Fax: 845-512-8385
Dr. Hanna Dgheim, M.D.
Gastroenterology
Medicare: May Accept Medicare Assignments
Practice Location: 55 Old Nyack Turnpike, Suite 505, Nanuet, NY 10954
Phone: 845-624-0626    Fax: 845-623-0855
Dr. Frank Xavier Garigali,
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 104 E Route 59, Nanuet, NY 10954
Phone: 845-623-4000    Fax: 845-623-5309
Dr. Fong Mei Chou, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 199 N Middletown Rd, Nanuet, NY 10954
Phone: 845-623-3904    
Harinder P Gill, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 55 Old Turnpike Rd, Suite 607, Nanuet, NY 10954
Phone: 845-623-6661    Fax: 845-623-6698
Dr. David Alan Ashenofsky, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 55 Old Turnpike Rd, Ste 503, Nanuet, NY 10954
Phone: 845-627-2800    Fax: 845-627-7827

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.