Mr William Robey Demarse Iii, PA-C - Medicare Physician Assistant in Tampa, FL

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Mr William Robey Demarse Iii, PA-C is a medicare enrolled "Physician Assistant" in Tampa, Florida. His current practice location is 3100 E Fletcher Ave, Tampa, Florida. You can reach out to his office (for appointments etc.) via phone at (813) 971-6000.

Mr William Robey Demarse Iii is licensed to practice in Florida (license number PA9101285) 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 1881655272.

Contact Information

Mr William Robey Demarse Iii, PA-C
3100 E Fletcher Ave,
Tampa, FL 33613-4613
(813) 971-6000
(813) 972-5753

Map and Direction




Provider's Profile

Full NameMr William Robey Demarse Iii
GenderMale
SpecialityPhysician Assistant
Location3100 E Fletcher Ave, Tampa, Florida
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1881655272
  • Provider Enumeration Date: 03/28/2006
  • Last Update Date: 08/08/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 4183786379
  • Enrollment ID: I20081223000055

Medical Identifiers

Medical identifiers for Mr William Robey Demarse Iii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1881655272NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363A00000XPhysician Assistant PA9101285 (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. Mr William Robey Demarse Iii allows following entities to bill medicare on his behalf.
Entity NameTampa Bay Emergency Physicians, LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1114977428
PECOS PAC ID: 0345260345
Enrollment ID: O20051206000518
Entity NameTampa Bay Emergency Physicians-heartland LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043661408
PECOS PAC ID: 0749577781
Enrollment ID: O20160920000442
Entity NameRidgewood Emergency Group, LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750862694
PECOS PAC ID: 6305199597
Enrollment ID: O20181106001193

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. Mr William Robey Demarse Iii 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
Mr William Robey Demarse Iii, PA-C
12479 Telecom Dr,
Tampa, FL 33637-0913

Ph: (813) 972-4199		Mr William Robey Demarse Iii, PA-C
3100 E Fletcher Ave,
Tampa, FL 33613-4613

Ph: (813) 971-6000

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).

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.