Nadim T Zyadeh, MD - Medicare Gastroenterology in Phoenix, AZ

Nadim T Zyadeh, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Phoenix, Arizona. He graduated from medical school in 1996 and has 28 years of diverse experience with area of expertise as Gastroenterology. His current practice location is 2236 W Bethany Home Rd, Suite 2, Phoenix, Arizona. You can reach out to his office (for appointments etc.) via phone at (602) 943-6666.

Nadim T Zyadeh is licensed to practice in Arizona (license number 30881) 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 1609877935.

Contact Information

Nadim T Zyadeh, MD
2236 W Bethany Home Rd, Suite 2,
Phoenix, AZ 85015-1934
(602) 943-6666
(602) 242-9220

Map and Direction




Physician's Profile

Full NameNadim T Zyadeh
GenderMale
SpecialityGastroenterology
Experience28 Years
Location2236 W Bethany Home Rd, Phoenix, Arizona
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:
  • Nadim T Zyadeh graduated from medical school in 1996
  NPI Data:
  • NPI Number: 1609877935
  • Provider Enumeration Date: 08/09/2005
  • Last Update Date: 07/28/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7911092960
  • Enrollment ID: I20071004000868

Medical Identifiers

Medical identifiers for Nadim T Zyadeh such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609877935NPI-NPPES
A7998438OtherAZAETNA
AZ0734070OtherAZBLUE CROSS BLUE SHIELD
776304MedicaidAZ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 30881 (Arizona)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. Nadim T Zyadeh allows following entities to bill medicare on his behalf.
Entity NameSjhmc Physician Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326098005
PECOS PAC ID: 4486646197
Enrollment ID: O20040401001189
Entity NameAdult Gastroenterology Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104019413
PECOS PAC ID: 9234227513
Enrollment ID: O20071120000557

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. Nadim T Zyadeh 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
Nadim T Zyadeh, MD
Po Box 27340,
Phoenix, AZ 85061-7340

Ph: (602) 943-9200
Nadim T Zyadeh, MD
2236 W Bethany Home Rd, Suite 2,
Phoenix, AZ 85015-1934

Ph: (602) 943-6666

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.