Ms Mary-ellen Cooper, NP - Medicare Nurse Practitioner in Watertown, MA

Ms Mary-ellen Cooper, NP is a medicare enrolled "Nurse Practitioner" in Watertown, Massachusetts. She graduated from nursing school in 2009 and has 15 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice The Commonwealth Of Massachusetts and her current practice location is 200 Dexter Ave, Suite K, Watertown, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 600-3195.

Ms Mary-ellen Cooper is licensed to practice in Massachusetts (license number RN216769) 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 1689989568.

Contact Information

Ms Mary-ellen Cooper, NP
200 Dexter Ave, Suite K,
Watertown, MA 02472-4238
(617) 600-3195
(617) 924-1207

Map and Direction




Provider's Profile

Full NameMs Mary-ellen Cooper
GenderFemale
SpecialityNurse Practitioner
Experience15 Years
Location200 Dexter Ave, Watertown, 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:
  • Ms Mary-ellen Cooper graduated from nursing school in 2009
  NPI Data:
  • NPI Number: 1689989568
  • Provider Enumeration Date: 08/16/2010
  • Last Update Date: 08/16/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 6204072226
  • Enrollment ID: I20130418000129

Medical Identifiers

Medical identifiers for Ms Mary-ellen Cooper such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689989568NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner RN216769 (Massachusetts)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Commonwealth Of Massachusetts8820906860132

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. Ms Mary-ellen Cooper allows following entities to bill medicare on her behalf.
Entity NameThe Commonwealth Of Massachusetts
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871680496
PECOS PAC ID: 8820906860
Enrollment ID: O20060407000500

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. Ms Mary-ellen Cooper 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
Ms Mary-ellen Cooper, NP
200 Dexter Ave, Suite K,
Watertown, MA 02472-4238

Ph: (617) 600-3195
Ms Mary-ellen Cooper, NP
200 Dexter Ave, Suite K,
Watertown, MA 02472-4238

Ph: (617) 600-3195

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).

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