Dr Nathan I Visweshwar, MD - Medicare Medical Oncology in Tampa, FL

Dr Nathan I Visweshwar, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Tampa, Florida. He graduated from medical school in 1978 and has 46 years of diverse experience with area of expertise as Medical Oncology. He is a member of the group practice University Medical Service Association Inc and his current practice location is 13330 Usf Laurel Dr, Tampa, Florida. You can reach out to his office (for appointments etc.) via phone at (813) 974-2201.

Dr Nathan I Visweshwar is licensed to practice in Florida (license number ME97021) 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 1033214325.

Contact Information

Dr Nathan I Visweshwar, MD
13330 Usf Laurel Dr,
Tampa, FL 33612-6601
(813) 974-2201
Not Available

Map and Direction




Physician's Profile

Full NameDr Nathan I Visweshwar
GenderMale
SpecialityMedical Oncology
Experience46 Years
Location13330 Usf Laurel Dr, Tampa, 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 Nathan I Visweshwar graduated from medical school in 1978
  NPI Data:
  • NPI Number: 1033214325
  • Provider Enumeration Date: 09/13/2006
  • Last Update Date: 03/30/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5698743813
  • Enrollment ID: I20070709000277

Medical Identifiers

Medical identifiers for Dr Nathan I Visweshwar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033214325NPI-NPPES
276782100MedicaidFL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology ME97021 (Florida)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Tampa General HospitalTampa, FLHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Medical Service Association Inc6800790221583

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 Nathan I Visweshwar allows following entities to bill medicare on his behalf.
Entity NameUniversity Medical Service Association Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992742324
PECOS PAC ID: 6800790221
Enrollment ID: O20031126000130

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 Nathan I Visweshwar 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 Nathan I Visweshwar, MD
Po Box 917770,
Orlando, FL 32891-0001

Ph: () -
Dr Nathan I Visweshwar, MD
13330 Usf Laurel Dr,
Tampa, FL 33612-6601

Ph: (813) 974-2201

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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