Ernesto A Diaz-ordaz, MD - Medicare Otolaryngology in Williamsville, NY

Ernesto A Diaz-ordaz, MD is a medicare enrolled "Otolaryngology" physician in Williamsville, New York. He graduated from medical school in 1979 and has 45 years of diverse experience with area of expertise as Otolaryngology. He is a member of the group practice Kaleida Health and his current practice location is 180 Park Club Ln, Suite 200, Williamsville, New York. You can reach out to his office (for appointments etc.) via phone at (716) 634-7350.

Ernesto A Diaz-ordaz is licensed to practice in New York (license number 160661) 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 1114965738.

Contact Information

Ernesto A Diaz-ordaz, MD
180 Park Club Ln, Suite 200,
Williamsville, NY 14221-5263
(716) 634-7350
(716) 634-7656

Map and Direction




Physician's Profile

Full NameErnesto A Diaz-ordaz
GenderMale
SpecialityOtolaryngology
Experience45 Years
Location180 Park Club Ln, Williamsville, 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:
  • Ernesto A Diaz-ordaz graduated from medical school in 1979
  NPI Data:
  • NPI Number: 1114965738
  • Provider Enumeration Date: 06/04/2006
  • Last Update Date: 06/24/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 1254311335
  • Enrollment ID: I20071126000429

Medical Identifiers

Medical identifiers for Ernesto A Diaz-ordaz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114965738NPI-NPPES
01442699MedicaidNY
00020006003OtherNYUNIVERA PROVIDER ID
1008002OtherNYIHA PROVIDER ID
000511816002OtherNYBCBS PROVIDER ID

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Y00000XOtolaryngology 160661 (New York)Primary
207YX0901XOtolaryngology - Otology & Neurotology 160661 (New York)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaleida HealthBuffalo, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Kaleida Health7810805280160

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. Ernesto A Diaz-ordaz allows following entities to bill medicare on his behalf.
Entity NameKaleida Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366473183
PECOS PAC ID: 7810805280
Enrollment ID: O20031105000212

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. Ernesto A Diaz-ordaz 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
Ernesto A Diaz-ordaz, MD
180 Park Club Ln, Suite 200,
Williamsville, NY 14221-5263

Ph: (716) 634-7350
Ernesto A Diaz-ordaz, MD
180 Park Club Ln, Suite 200,
Williamsville, NY 14221-5263

Ph: (716) 634-7350

Reviews and Comments


Otolaryngology Doctors in Williamsville, NY

Michele Carr, DDS,MD,PHD
Otolaryngology
Medicare: Medicare Enrolled
Practice Location: 8207 Main Street Suite 5, Williamsville, NY 14221
Phone: 716-632-2000    Fax: 716-632-2162
Sayeed Nabi, M.D.
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 6645 Main Street Suite B, Williamsville, NY 14221
Phone: 716-634-6224    Fax: 716-634-6159
Dr. Mark L. Nagy, M.D.
Otolaryngology
Medicare: May Accept Medicare Assignments
Practice Location: 8207 Main St, Williamsville, NY 14221
Phone: 716-632-2000    Fax: 716-632-2162
Dr. Joseph L Muscarella Jr., D.O.
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 180 Park Club Ln, Suite 200, Williamsville, NY 14221
Phone: 716-634-7350    Fax: 716-634-7656
Lisa Kozlowski, MD
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 325 Essjay Rd, Williamsville, NY 14221
Phone: 716-630-1146    Fax: 716-817-1730
Dr. Raymond V Paolini Jr., M.D.
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 6645 Main St, Williamsville, NY 14221
Phone: 716-634-6224    Fax: 716-634-3816

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.