Caroline Mcwilliams, MD - Medicare Internal Medicine in Newtown Square, PA

Caroline Mcwilliams, MD is a medicare enrolled "Internal Medicine" physician in Newtown Square, Pennsylvania. Her current practice location is 13 Saint Albans Cir, Suite C, Newtown Square, Pennsylvania. You can reach out to her office (for appointments etc.) via phone at (484) 422-8647.

Caroline Mcwilliams is licensed to practice in Pennsylvania (license number MD441524) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1346405628.

Contact Information

Caroline Mcwilliams, MD
13 Saint Albans Cir, Suite C,
Newtown Square, PA 19073-3622
(484) 422-8647
(484) 422-8648

Map and Direction




Physician's Profile

Full NameCaroline Mcwilliams
GenderFemale
SpecialityInternal Medicine
Location13 Saint Albans Cir, Newtown Square, Pennsylvania
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1346405628
  • Provider Enumeration Date: 07/25/2008
  • Last Update Date: 03/01/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 3678740768
  • Enrollment ID: I20120112000325

Medical Identifiers

Medical identifiers for Caroline Mcwilliams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346405628NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD441524 (Pennsylvania)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. Caroline Mcwilliams allows following entities to bill medicare on her behalf.
Entity NameInpatient Consultants Of Pennsylvania Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033376231
PECOS PAC ID: 0244305597
Enrollment ID: O20080820000658
Entity NameNj Pacs 2 Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740766195
PECOS PAC ID: 4486903705
Enrollment ID: O20210203001172

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. Caroline Mcwilliams 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
Caroline Mcwilliams, MD
13 Saint Albans Cir, Suite C,
Newtown Square, PA 19073-3622

Ph: (484) 422-8647
Caroline Mcwilliams, MD
13 Saint Albans Cir, Suite C,
Newtown Square, PA 19073-3622

Ph: (484) 422-8647

Reviews and Comments


Internal Medicine Doctors in Newtown Square, PA

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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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