Erica Williams, PA-C - Medicare Physician Assistant in Mechanicsburg, PA

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Erica Williams, PA-C is a medicare enrolled "Physician Assistant" in Mechanicsburg, Pennsylvania. She graduated from nursing school in 2017 and has 9 years of diverse experience with area of expertise as Physician Assistant. She is a member of the group practice On Demand Urgent Care Group Pc and her current practice location is 6481 Carlisle Pike, Mechanicsburg, Pennsylvania. You can reach out to her office (for appointments etc.) via phone at (814) 823-3900.

Erica Williams is licensed to practice in Pennsylvania (license number MA059757) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1225515315.

Contact Information

Erica Williams, PA-C
6481 Carlisle Pike,
Mechanicsburg, PA 17050-2377
(814) 823-3900
Not Available

Map and Direction




Provider's Profile

Full NameErica Williams
GenderFemale
SpecialityPhysician Assistant
Experience9 Years
Location6481 Carlisle Pike, Mechanicsburg, Pennsylvania
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Erica Williams graduated from nursing school in 2017
  NPI Data:
  • NPI Number: 1225515315
  • Provider Enumeration Date: 07/23/2018
  • Last Update Date: 01/23/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9638429046
  • Enrollment ID: I20180906000137

Medical Identifiers

Medical identifiers for Erica Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225515315NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363A00000XPhysician Assistant MA059757 (Pennsylvania)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
On Demand Urgent Care Group Pc599102971295

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. Erica Williams allows following entities to bill medicare on her behalf.
Entity NamePinnacle Health Medical Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932143427
PECOS PAC ID: 7618960493
Enrollment ID: O20040407000180
Entity NameOn Demand Urgent Care Group PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053729814
PECOS PAC ID: 5991029712
Enrollment ID: O20150126001443
Entity NameCarbon Health Medical Group of Florida PA
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1225619638
PECOS PAC ID: 3274947304
Enrollment ID: O20211020001058

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. Erica 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
Erica Williams, PA-C
6440 Downhill Dr,
Erie, PA 16505-1066

Ph: (814) 823-3900		Erica Williams, PA-C
6481 Carlisle Pike,
Mechanicsburg, PA 17050-2377

Ph: (814) 823-3900

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.