Aimee Elizabeth Foster Keller, MS, FNP-BC - Medicare Nurse Practitioner in Waltham, MA

Aimee Elizabeth Foster Keller, MS, FNP-BC is a medicare enrolled "Nurse Practitioner" in Waltham, Massachusetts. She went to University Of Massachusetts Medical School and graduated in 2019 and has 5 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Massachusetts General Physicians Organization Inc and her current practice location is 52 Second Ave Ste 520, Waltham, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (781) 487-6000.

Aimee Elizabeth Foster Keller is licensed to practice in Massachusetts (license number RN2274206) 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 1447804216.

Contact Information

Aimee Elizabeth Foster Keller, MS, FNP-BC
52 Second Ave Ste 520,
Waltham, MA 02451-1142
(781) 487-6000
(781) 487-2978

Map and Direction




Provider's Profile

Full NameAimee Elizabeth Foster Keller
GenderFemale
SpecialityNurse Practitioner
Experience5 Years
Location52 Second Ave Ste 520, Waltham, 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:
  • Aimee Elizabeth Foster Keller attended and graduated from University Of Massachusetts Medical School in 2019
  NPI Data:
  • NPI Number: 1447804216
  • Provider Enumeration Date: 07/30/2019
  • Last Update Date: 06/03/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 2668899303
  • Enrollment ID: I20200826003427

Medical Identifiers

Medical identifiers for Aimee Elizabeth Foster Keller such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1447804216NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163W00000XRegistered Nurse RN2274206 (Massachusetts)Secondary
363LF0000XNurse Practitioner - Family RN2274206 (Massachusetts)Secondary
363L00000XNurse Practitioner RN2274206 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Massachusetts General HospitalBoston, MAHospital
Newton-wellesley HospitalNewton, MAHospital
Brigham And Women's HospitalBoston, MAHospital
Wentworth-douglass HospitalDover, NHHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Massachusetts General Physicians Organization Inc24663658203084

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. Aimee Elizabeth Foster Keller allows following entities to bill medicare on her behalf.
Entity NameMassachusetts General Physicians Organization Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801874573
PECOS PAC ID: 2466365820
Enrollment ID: O20031111000434
Entity NameThe General Hospital Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023049236
PECOS PAC ID: 6507803806
Enrollment ID: O20080313000351

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. Aimee Elizabeth Foster Keller 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
Aimee Elizabeth Foster Keller, MS, FNP-BC
52 Second Ave Ste 520,
Waltham, MA 02451-1142

Ph: (781) 487-6000
Aimee Elizabeth Foster Keller, MS, FNP-BC
52 Second Ave Ste 520,
Waltham, MA 02451-1142

Ph: (781) 487-6000

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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