Stefanie Koelewyn, PA-C - Medicare Physician Assistant in Bellingham, MA

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Stefanie Koelewyn, PA-C is a medicare enrolled "Physician Assistant" in Bellingham, Massachusetts. She graduated from nursing school in 2022 and has 4 years of diverse experience with area of expertise as Physician Assistant. She is a member of the group practice Mass General Brigham Medical Group Suburban Massachusetts Inc and her current practice location is 245 Hartford Ave, Bellingham, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (774) 295-4355.

Stefanie Koelewyn is licensed to practice in Massachusetts (license number PA9081) 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 1811617897.

Contact Information

Stefanie Koelewyn, PA-C
245 Hartford Ave,
Bellingham, MA 02019-3007
(774) 295-4355
(774) 295-4880

Map and Direction




Provider's Profile

Full NameStefanie Koelewyn
GenderFemale
SpecialityPhysician Assistant
Experience4 Years
Location245 Hartford Ave, Bellingham, Massachusetts
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:
  • Stefanie Koelewyn graduated from nursing school in 2022
  NPI Data:
  • NPI Number: 1811617897
  • Provider Enumeration Date: 08/31/2022
  • Last Update Date: 11/16/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5294100921
  • Enrollment ID: I20230412000878

Medical Identifiers

Medical identifiers for Stefanie Koelewyn such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811617897NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363A00000XPhysician Assistant PA9081 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Newton-wellesley HospitalNewton, MAHospital
Brigham And Women's HospitalBoston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mass General Brigham Medical Group Suburban Massachusetts Inc0244133494534

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. Stefanie Koelewyn allows following entities to bill medicare on her behalf.
Entity NameMass General Brigham Medical Group Suburban Massachusetts Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538191218
PECOS PAC ID: 0244133494
Enrollment ID: O20040127001012
Entity NameEmergency Physician Associates of Massachusetts PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1730885252
PECOS PAC ID: 4981069580
Enrollment ID: O20230504001402
Entity NameConvenientmd - Ffs UC LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790528628
PECOS PAC ID: 5193186492
Enrollment ID: O20230921002173

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. Stefanie Koelewyn 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
Stefanie Koelewyn, PA-C
360 Us Highway 1 Byp Unit 102,
Portsmouth, NH 03801-7105

Ph: (603) 410-6700		Stefanie Koelewyn, PA-C
245 Hartford Ave,
Bellingham, MA 02019-3007

Ph: (774) 295-4355

Reviews and Comments


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Corinne Nowak, PA-C
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Taylor Danielle Caparo, PA-C
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Alva Tan,
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Miss Jamie E Jackson, PA-C
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Medicare: Accepting Medicare Assignments
Practice Location: 245 Hartford Ave Ste 1, Bellingham, MA 02019
Phone: 774-295-4355    Fax: 774-295-4880

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.