Dr Oswald Anthony Williams, MD - Medicare Internal Medicine in South Pasadena, FL

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Dr Oswald Anthony Williams, MD is a medicare enrolled "Internal Medicine" physician in South Pasadena, Florida. His current practice location is 1615 Pasadena Ave S Ste 250, South Pasadena, Florida. You can reach out to his office (for appointments etc.) via phone at (727) 527-6200.

Dr Oswald Anthony Williams is licensed to practice in Florida (license number ME62503) 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 1760449185.

Contact Information

Dr Oswald Anthony Williams, MD
1615 Pasadena Ave S Ste 250,
South Pasadena, FL 33707-4517
(727) 527-6200
(727) 347-0893

Map and Direction




Physician's Profile

Full NameDr Oswald Anthony Williams
GenderMale
SpecialityInternal Medicine
Location1615 Pasadena Ave S Ste 250, South Pasadena, Florida
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1760449185
  • Provider Enumeration Date: 04/28/2006
  • Last Update Date: 03/25/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 4486786373
  • Enrollment ID: I20100712000542

Medical Identifiers

Medical identifiers for Dr Oswald Anthony Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1760449185NPI-NPPES
372030600MedicaidFL
00040361836OtherFLUNITED HEALTH CARE
2286682OtherAETNA
1063698744OtherFLCOLONIALPENN
202776OtherAVMED
173980525974OtherFLHUMANA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine ME62503 (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 Oswald Anthony Williams allows following entities to bill medicare on his behalf.
Entity NameMaturity Medical Of Pinellas Professional Association
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063698744
PECOS PAC ID: 7214121532
Enrollment ID: O20101101000715

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 Oswald Anthony 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 Oswald Anthony Williams, MD
1615 Pasadena Ave S Ste 250,
South Pasadena, FL 33707-4517

Ph: (727) 527-6200		Dr Oswald Anthony Williams, MD
1615 Pasadena Ave S Ste 250,
South Pasadena, FL 33707-4517

Ph: (727) 527-6200

Reviews and Comments


Internal Medicine Doctors in South Pasadena, FL

Simran Khurana, MD
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Practice Location: 1609 Pasadena Ave S, Suite 2n, South Pasadena, FL 33707
Phone: 727-580-3719    Fax: 941-746-4111
Dr. Roberto Borrero Lugo, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 1615 Pasadena Ave S Ste 350, South Pasadena, FL 33707
Phone: 727-345-6337    Fax: 727-347-0403
Dr. Stanley Allen Rosenberg, M.D.
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Medicare: Medicare Enrolled
Practice Location: 2525 Pasadena Avenue South, Suite U, South Pasadena, FL 33707
Phone: 727-381-4430    Fax: 727-381-9630
Dr. Anita Ravi, M.D
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1615 Pasadena Ave S Ste 300, South Pasadena, FL 33707
Phone: 727-490-3030    
Joseph Carragher, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1501 Pasadena Ave S, South Pasadena, FL 33707
Phone: 727-381-1000    

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.