Leah K Barker, NP - Medicare Nurse Practitioner in Westborough, MA

Leah K Barker, NP is a medicare enrolled "Nurse Practitioner - Women's Health" in Westborough, Massachusetts. She graduated from nursing school in 1998 and has 26 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Reliant Medical Group Inc and her current practice location is 900 Union St, Westborough, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (508) 870-9350.

Leah K Barker is licensed to practice in Massachusetts (license number 226603) 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 1780753061.

Contact Information

Leah K Barker, NP
900 Union St,
Westborough, MA 01581-5408
(508) 870-9350
(508) 368-3917

Map and Direction




Provider's Profile

Full NameLeah K Barker
GenderFemale
SpecialityNurse Practitioner
Experience26 Years
Location900 Union St, Westborough, 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:
  • Leah K Barker graduated from nursing school in 1998
  NPI Data:
  • NPI Number: 1780753061
  • Provider Enumeration Date: 11/08/2006
  • Last Update Date: 04/19/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4981795614
  • Enrollment ID: I20070809000097

Medical Identifiers

Medical identifiers for Leah K Barker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1780753061NPI-NPPES
110074497AMedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LW0102XNurse Practitioner - Women's Health 226603 (Massachusetts)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Reliant Medical Group Inc5597755322546

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. Leah K Barker allows following entities to bill medicare on her behalf.
Entity NameReliant Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720017528
PECOS PAC ID: 5597755322
Enrollment ID: O20040708000650

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. Leah K Barker 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
Leah K Barker, NP
725 Concord Ave, Ste 3300,
Cambridge, MA 02138-1040

Ph: (617) 354-5452
Leah K Barker, NP
900 Union St,
Westborough, MA 01581-5408

Ph: (508) 870-9350

Reviews and Comments


Nurse Practitioner Nurses in Westborough, MA

Julia A Lombardi, NP
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Medicare: Medicare Enrolled
Practice Location: 1400 Computer Dr Ste 301, Westborough, MA 01581
Phone: 617-420-5316    
Ms. Jamie Lee Mccarthy, APRN
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Medicare: Medicare Enrolled
Practice Location: 1400 Computer Dr Ste 301, Westborough, MA 01581
Phone: 617-420-5316    
Kerrie Mcfeeters, N.P.
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 900 Union St, Westborough, MA 01581
Phone: 508-898-2338    Fax: 508-366-9938
Mrs. Oluwatoyin Oladosu, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 1400 Computer Dr Ste 301, Westborough, MA 01581
Phone: 617-420-5316    
Emily Moldoff,
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Medicare: Accepting Medicare Assignments
Practice Location: 110 Turnpike Rd Ste 308, Westborough, MA 01581
Phone: 508-660-0800    
Mrs. Kathleen Murphy, NP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 1400 Computer Dr Ste 301, Westborough, MA 01581
Phone: 617-420-5316    
Ms. Carissa Colleen Foley, FNP-BC
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1400 Computer Dr Ste 301, Westborough, MA 01581
Phone: 617-420-5316    

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.