Dr Gregory P Williams, DDS - Medicare Dentist in Rapid City, SD

Dr Gregory P Williams, DDS is a medicare enrolled "Dentist - Oral And Maxillofacial Surgery" provider in Rapid City, South Dakota. His current practice location is 330 E Stumer Rd, Rapid City, South Dakota. You can reach out to his office (for appointments etc.) via phone at (605) 348-3400.

Dr Gregory P Williams is licensed to practice in South Dakota (license number M808) 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 1720126220.

Contact Information

Dr Gregory P Williams, DDS
330 E Stumer Rd,
Rapid City, SD 57701-6406
(605) 348-3400
(605) 348-1626

Map and Direction




Healthcare Provider's Profile

Full NameDr Gregory P Williams
GenderMale
Speciality
Experience Years
Location330 E Stumer Rd, Rapid City, South Dakota
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 Gregory P Williams attended and graduated from in
  NPI Data:
  • NPI Number: 1720126220
  • Provider Enumeration Date: 02/05/2007
  • Last Update Date: 06/28/2016
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Dr Gregory P Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1720126220NPI-NPPES
8000390MedicaidSD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
1223S0112XDentist - Oral And Maxillofacial Surgery M808 (South Dakota)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. Dr Gregory P 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 Gregory P Williams, DDS
330 E Stumer Rd,
Rapid City, SD 57701-6406

Ph: (605) 348-3400
Dr Gregory P Williams, DDS
330 E Stumer Rd,
Rapid City, SD 57701-6406

Ph: (605) 348-3400

Reviews and Comments


Dentist in Rapid City, SD

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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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