William Grassette Melendez, MD - Medicare General Practice in Toa Baja, PR

William Grassette Melendez, MD is a medicare enrolled "General Practice" physician in Toa Baja, Puerto Rico. He graduated from medical school in 1986 and has 38 years of diverse experience with area of expertise as General Practice. He is a member of the group practice Csm Servicios De Cuidado Inc and his current practice location is 3474 Paseo Camaron, 3ra Seccion Levittown, Toa Baja, Puerto Rico. You can reach out to his office (for appointments etc.) via phone at (787) 795-2521.

William Grassette Melendez is licensed to practice in Puerto Rico (license number 10816) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1972515856.

Contact Information

William Grassette Melendez, MD
3474 Paseo Camaron, 3ra Seccion Levittown,
Toa Baja, PR 00949-3634
(787) 795-2521
(787) 795-2289

Map and Direction




Physician's Profile

Full NameWilliam Grassette Melendez
GenderMale
SpecialityGeneral Practice
Experience38 Years
Location3474 Paseo Camaron, Toa Baja, Puerto Rico
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • William Grassette Melendez graduated from medical school in 1986
  NPI Data:
  • NPI Number: 1972515856
  • Provider Enumeration Date: 08/12/2006
  • Last Update Date: 04/11/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 6204922974
  • Enrollment ID: I20071011000477

Medical Identifiers

Medical identifiers for William Grassette Melendez such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972515856NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208D00000XGeneral Practice 10816 (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 Grassette Melendez allows following entities to bill medicare on his behalf.
Entity NameCsm Servicios De Cuidado Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639367154
PECOS PAC ID: 0042394017
Enrollment ID: O20080229000020

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 Grassette Melendez 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 Grassette Melendez, MD
229 Calle Del Parque, Cond. Parque Central Apt. 904,
San Juan, PR 00912-3223

Ph: (787) 795-2935
William Grassette Melendez, MD
3474 Paseo Camaron, 3ra Seccion Levittown,
Toa Baja, PR 00949-3634

Ph: (787) 795-2521

Reviews and Comments


General Practice Doctors in Toa Baja, PR

Dr. Mildred Aileen Diaz-sola, M.D.
General Practice
Medicare: Medicare Enrolled
Practice Location: Ce 11 Calle Dr. Francisco Trelles, Levittown, Toa Baja, PR 00949
Phone: 787-784-1779    
Dr. Jaime J Morel, M.D.
General Practice
Medicare: Accepting Medicare Assignments
Practice Location: 3026 Vereda Del Palmar, Toa Baja, PR 00949
Phone: 787-565-7612    Fax: 787-795-7514
Ana Margarita Soto, M.D.
General Practice
Medicare: Medicare Enrolled
Practice Location: Paseo Cipres # 3097 Levittown, Toa Baja, PR 00949
Phone: 787-795-0991    
Dr. Daisy Malave, M.D.
General Practice
Medicare: Not Enrolled in Medicare
Practice Location: 2043 Paseo Azalea, 2da Ext Levittown, Toa Baja, PR 00949
Phone: 787-459-2347    
Miss Sandra Violeta Soto, M.D.
General Practice
Medicare: Medicare Enrolled
Practice Location: 77 Calle Bruno Cruz, Local Num 1, Toa Baja, PR 00949
Phone: 787-794-1497    Fax: 787-794-1497
Dr. Isaac Gonzalez, M.D.
General Practice
Medicare: Not Enrolled in Medicare
Practice Location: 5ee Calle Parque Munoz Rivera, Toa Baja, PR 00983
Phone: 787-420-6259    
Carmen Ivette Montalvo Quiles, M.D.
General Practice
Medicare: Not Enrolled in Medicare
Practice Location: 600 Dr. Hernan Cortes, A La Orden Shopping 102, Toa Baja, PR 00950
Phone: 787-779-1950    

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.