Dr Alejandro Leonel Williams, DDS - Medicare in Bronx, NY

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Dr Alejandro Leonel Williams, DDS is a medicare enrolled "Oral & Maxillofacial Surgery" provider in Bronx, New York. His current practice location is 1624 University Blvd, Bronx, New York. You can reach out to his office (for appointments etc.) via phone at (718) 294-3725.

Dr Alejandro Leonel Williams is licensed to practice in New York (license number 045560) 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 1073502217.

Contact Information

Dr Alejandro Leonel Williams, DDS
1624 University Blvd,
Bronx, NY 10453-6948
(718) 294-3725
(718) 466-0782

Map and Direction




Healthcare Provider's Profile

Full NameDr Alejandro Leonel Williams
GenderMale
SpecialityOral & Maxillofacial Surgery
Location1624 University Blvd, Bronx, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1073502217
  • Provider Enumeration Date: 10/20/2005
  • Last Update Date: 07/13/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 7911385612
  • Enrollment ID: I20220609000098

Medical Identifiers

Medical identifiers for Dr Alejandro Leonel Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1073502217NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
122300000XDentist 045560-1 (New York)Secondary
204E00000XOral & Maxillofacial Surgery 045560 (New York)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 Alejandro Leonel Williams allows following entities to bill medicare on his behalf.
Entity NameAlejandro Williams Dental Office PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508037466
PECOS PAC ID: 9739567231
Enrollment ID: O20220610001766
Entity Name3545 Johnson Blvd Dental PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124759527
PECOS PAC ID: 4981088762
Enrollment ID: O20220827000242
Entity NameSpore Test Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902533342
PECOS PAC ID: 8426432824
Enrollment ID: O20220902002445
Entity Name43 Chruch Street Dental PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356097869
PECOS PAC ID: 5395120240
Enrollment ID: O20220914000695
Entity NameBonita Sonrisa Dental Mso
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790325884
PECOS PAC ID: 2466821889
Enrollment ID: O20221207000890

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 Alejandro Leonel Williams 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 Alejandro Leonel Williams, DDS
1624 University Blvd,
Bronx, NY 10453-6948

Ph: (718) 294-3725		Dr Alejandro Leonel Williams, DDS
1624 University Blvd,
Bronx, NY 10453-6948

Ph: (718) 294-3725

Reviews and Comments



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.