William Fred, - Medicare Family Medicine in Gurabo, PR

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William Fred, is a medicare enrolled "Family Medicine" physician in Gurabo, Puerto Rico. His current practice location is Lopez Sanches #100, Gurabo, Puerto Rico. You can reach out to his office (for appointments etc.) via phone at (787) 712-4444.

William Fred is licensed to practice in Puerto Rico (license number 14519) 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 1992818637.

Contact Information

William Fred,
Lopez Sanches #100,
Gurabo, PR 00778
(787) 712-4444
Not Available

Map and Direction




Physician's Profile

Full NameWilliam Fred
GenderMale
SpecialityFamily Medicine
LocationLopez Sanches #100, Gurabo, Puerto Rico
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1992818637
  • Provider Enumeration Date: 08/16/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 4587630199
  • Enrollment ID: I20040904000045

Medical Identifiers

Medical identifiers for William Fred such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1992818637NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 14519 (Puerto Rico)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. William Fred allows following entities to bill medicare on his behalf.
Entity NameHospital Menonita De Cayey
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750317764
PECOS PAC ID: 2466449657
Enrollment ID: O20040429000135
Entity NameWf Medical Services Corp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598337420
PECOS PAC ID: 3870975907
Enrollment ID: O20220805000095

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. William Fred 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
William Fred,
Pmb 708 Ave Rafael Cordero 200ste 140,
Caguas, PR 00725-3757

Ph: (787) 746-4211		William Fred,
Lopez Sanches #100,
Gurabo, PR 00778

Ph: (787) 712-4444

Reviews and Comments


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Nestor R Ortiz,
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Tania Marie Oyola Rosario, M. D.
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Phone: 787-737-2311    Fax: 787-737-2231
Dr. Roberto Lopez-nieves, MD
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Practice Location: Carr.189 Ramal 933 Interior 0.9, Barrio Mamey Ll, Gurabo, PR 00778
Phone: 787-354-2452    

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).

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