Joseph Greg Williamson, PA - Medicare Physician Assistant in Anderson, IN

Joseph Greg Williamson, PA is a medicare enrolled "Physician Assistant - Surgical" in Anderson, Indiana. He graduated from nursing school in 2002 and has 22 years of diverse experience with area of expertise as Physician Assistant. He is a member of the group practice Central Indiana Orthopedics Llc and his current practice location is 2610 Enterprise Dr, Anderson, Indiana. You can reach out to his office (for appointments etc.) via phone at (765) 683-4400.

Joseph Greg Williamson is licensed to practice in Indiana (license number 10000604A) 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 1386651933.

Contact Information

Joseph Greg Williamson, PA
2610 Enterprise Dr,
Anderson, IN 46013-9684
(765) 683-4400
(765) 213-3713

Map and Direction




Provider's Profile

Full NameJoseph Greg Williamson
GenderMale
SpecialityPhysician Assistant
Experience22 Years
Location2610 Enterprise Dr, Anderson, Indiana
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:
  • Joseph Greg Williamson graduated from nursing school in 2002
  NPI Data:
  • NPI Number: 1386651933
  • Provider Enumeration Date: 08/02/2006
  • Last Update Date: 11/08/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6103967534
  • Enrollment ID: I20100224000931

Medical Identifiers

Medical identifiers for Joseph Greg Williamson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1386651933NPI-NPPES
000000281018OtherINANTHEM PIN
970028692OtherINRAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363AS0400XPhysician Assistant - Surgical 10000604A (Indiana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ascension St Vincent AndersonAnderson, INHospital
Community Hospital Of Anderson And Madison CountyAnderson, INHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Central Indiana Orthopedics Llc5698667822142

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. Joseph Greg Williamson 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
Joseph Greg Williamson, PA
3600 W Bethel Ave,
Muncie, IN 47304-5407

Ph: (800) 622-6575
Joseph Greg Williamson, PA
2610 Enterprise Dr,
Anderson, IN 46013-9684

Ph: (765) 683-4400

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.