Dr William Mazzei Iii, MD - Medicare Family Practice in Delray Beach, FL

Dr William Mazzei Iii, MD is a medicare enrolled "Family Medicine" physician in Delray Beach, Florida. He went to University Of South Florida College Of Medicine and graduated in 1994 and has 30 years of diverse experience with area of expertise as Family Practice. His current practice location is 14530 S Military Trl, Suite A1, Delray Beach, Florida. You can reach out to his office (for appointments etc.) via phone at (561) 479-8774.

Dr William Mazzei Iii is licensed to practice in Florida (license number ME69564) 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 1972586501.

Contact Information

Dr William Mazzei Iii, MD
14530 S Military Trl, Suite A1,
Delray Beach, FL 33484-3706
(561) 479-8774
(305) 403-7700

Map and Direction




Physician's Profile

Full NameDr William Mazzei Iii
GenderMale
SpecialityFamily Practice
Experience30 Years
Location14530 S Military Trl, Delray Beach, Florida
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 William Mazzei Iii attended and graduated from University Of South Florida College Of Medicine in 1994
  NPI Data:
  • NPI Number: 1972586501
  • Provider Enumeration Date: 11/29/2005
  • Last Update Date: 03/21/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 2365345063
  • Enrollment ID: I20040129001121

Medical Identifiers

Medical identifiers for Dr William Mazzei Iii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972586501NPI-NPPES
26905510MedicaidFL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine ME69564 (Florida)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 William Mazzei Iii allows following entities to bill medicare on his behalf.
Entity NameMd Now Medical Centers Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033195474
PECOS PAC ID: 3971554825
Enrollment ID: O20050208000625
Entity NameHillsboro Allergy & Family Medicine Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770778516
PECOS PAC ID: 2769414432
Enrollment ID: O20050901000636
Entity NameFamily Medicine Of Boca Raton Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568523652
PECOS PAC ID: 6204908569
Enrollment ID: O20080701000324
Entity NameExpress Docs, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518309434
PECOS PAC ID: 1153557053
Enrollment ID: O20140827002835
Entity NamePalm Beach Medical Practitioners Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407249881
PECOS PAC ID: 5193020642
Enrollment ID: O20160222002791
Entity NameEstrella Health Medical Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710576988
PECOS PAC ID: 0042691362
Enrollment ID: O20220718003850

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 William Mazzei Iii 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 William Mazzei Iii, MD
1015 Bel Air Dr, Apt 3,
Highland Beach, FL 33487-4286

Ph: (561) 479-8774
Dr William Mazzei Iii, MD
14530 S Military Trl, Suite A1,
Delray Beach, FL 33484-3706

Ph: (561) 479-8774

Reviews and Comments


Family Medicine Doctors in Delray Beach, FL

Janka Katancikova Baiza, MD
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Lee H Greene, M.D.
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Phone: 561-496-7200    Fax: 561-496-7989
Gary Alan Cooperstein, D.O.
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Practice Location: 14826 S Military Trl Ste 14826, Delray Beach, FL 33484
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Christopher B. Thomas, MD
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Practice Location: 5350 Atlantic Ave Ste 100, Delray Beach, FL 33484
Phone: 561-496-5677    Fax: 561-496-5824
Bonnie Morton Benefield, D.O.
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Medicare: Not Enrolled in Medicare
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Phone: 561-742-5959    
Mrunalini Kavuri, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 2150 Lake Ida Rd, # 5, Delray Beach, FL 33445
Phone: 561-330-3026    Fax: 561-330-3027
Dr. Neil Spencer Gold, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 5210 Linton Blvd, # 303, Delray Beach, FL 33484
Phone: 561-498-8000    Fax: 954-968-5005

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.