William Matos-santiago, MD - Medicare Rheumatology in San Juan, PR

William Matos-santiago, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in San Juan, Puerto Rico. He graduated from medical school in 1968 and has 56 years of diverse experience with area of expertise as Rheumatology. His current practice location is La Torre De Plaza Las Americas, Suite 607, San Juan, Puerto Rico. You can reach out to his office (for appointments etc.) via phone at (787) 756-7730.

William Matos-santiago is licensed to practice in Puerto Rico (license number 3572) 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 1477536498.

Contact Information

William Matos-santiago, MD
La Torre De Plaza Las Americas, Suite 607,
San Juan, PR 00918
(787) 756-7730
(787) 754-2472

Map and Direction




Physician's Profile

Full NameWilliam Matos-santiago
GenderMale
SpecialityRheumatology
Experience56 Years
LocationLa Torre De Plaza Las Americas, San Juan, Puerto Rico
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:
  • William Matos-santiago graduated from medical school in 1968
  NPI Data:
  • NPI Number: 1477536498
  • Provider Enumeration Date: 11/23/2005
  • Last Update Date: 05/20/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 0345282026
  • Enrollment ID: I20050523001251

Medical Identifiers

Medical identifiers for William Matos-santiago such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477536498NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 3572 (Puerto Rico)Primary

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 Matos-santiago 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 Matos-santiago, MD
525 Ave. F.d. Roosevelt, Suite 607,
San Juan, PR 00918-8052

Ph: (787) 756-7730
William Matos-santiago, MD
La Torre De Plaza Las Americas, Suite 607,
San Juan, PR 00918

Ph: (787) 756-7730

Reviews and Comments


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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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