Rebecca Leanne Gregor, PA - Medicare Physician Assistant in Longmeadow, MA

Rebecca Leanne Gregor, PA is a medicare enrolled "Physician Assistant - Medical" in Longmeadow, Massachusetts. She graduated from nursing school in 2015 and has 11 years of diverse experience with area of expertise as Physician Assistant. She is a member of the group practice Urgent Care Specialists Pc and her current practice location is 688 Bliss Rd, Longmeadow, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (413) 567-0011.

Rebecca Leanne Gregor is licensed to practice in Massachusetts (license number PA5433) 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 1891171237.

Contact Information

Rebecca Leanne Gregor, PA
688 Bliss Rd,
Longmeadow, MA 01106-1534
(413) 567-0011
(413) 567-0013

Map and Direction




Provider's Profile

Full NameRebecca Leanne Gregor
GenderFemale
SpecialityPhysician Assistant
Experience11 Years
Location688 Bliss Rd, Longmeadow, 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:
  • Rebecca Leanne Gregor graduated from nursing school in 2015
  NPI Data:
  • NPI Number: 1891171237
  • Provider Enumeration Date: 08/08/2015
  • Last Update Date: 10/04/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 6608185665
  • Enrollment ID: I20151014002375

Medical Identifiers

Medical identifiers for Rebecca Leanne Gregor such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1891171237NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363AM0700XPhysician Assistant - Medical PA5433 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Baystate Medical CenterSpringfield, MAHospital
Baystate Wing Hospital And Medical CentersPalmer, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Urgent Care Specialists Pc731519848810

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. Rebecca Leanne Gregor allows following entities to bill medicare on her behalf.
Entity NameUrgent Care Specialists PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902157746
PECOS PAC ID: 7315198488
Enrollment ID: O20121119000614
Entity NameUrgent Care Medical Center LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295186286
PECOS PAC ID: 0840570628
Enrollment ID: O20240813000488

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. Rebecca Leanne Gregor 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
Rebecca Leanne Gregor, PA
5 Shrewsbury St Ste D,
Holden, MA 01520-1960

Ph: (508) 829-3810
Rebecca Leanne Gregor, PA
688 Bliss Rd,
Longmeadow, MA 01106-1534

Ph: (413) 567-0011

Reviews and Comments


Physician Assistant Nurses in Longmeadow, MA

Kevin Wijewardena,
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 588 Longmeadow St, Longmeadow, MA 01106
Phone: 413-565-1000    
Erin Lynn Emery, PA-C
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 588 Longmeadow St, Longmeadow, MA 01106
Phone: 413-565-1000    
Katherine Tramanh Ngoc Nguyen,
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 588 Longmeadow St, Longmeadow, MA 01106
Phone: 413-565-1000    
Ashley Ruth Shelsie Desameau, PA-C
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 588 Longmeadow St, Longmeadow, MA 01106
Phone: 413-565-1000    
Tin Viet Phan,
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 588 Longmeadow St, Longmeadow, MA 01106
Phone: 413-565-1000    
Patricia Ceseretti,
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 588 Longmeadow St, Longmeadow, MA 01106
Phone: 413-565-1000    
Christiana Annmarie Nunez, PA-C
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 588 Longmeadow St, Longmeadow, MA 01106
Phone: 347-424-3333    

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.