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AIMEE ELIZABETH FOSTER KELLER MS, FNP-BC
NPI 1447804216
Nurse Practitioner in Waltham, MA

Active since July 30, 2019PECOS EnrolledAccepts Medicare Assignment
52 SECOND AVE STE 520, WALTHAM, MA 02451(781) 487-6000(781) 487-2978 Get Directions Write a Review

NPPES record last updated: June 3, 2024. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jun 3, 2024, Mar 8, 2022, Jun 4, 2020 and 2 more (5 updates tracked since 2019).

About Aimee Elizabeth Foster Keller Ms, Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AIMEE ELIZABETH FOSTER KELLER MS, FNP-BC (NPI 1447804216) is an individual nurse practitioner in Waltham, Massachusetts, licensed in Massachusetts (RN2274206) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of University Of Massachusetts Medical School (2019).

NPPES Registry Identity

NPI1447804216
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameAIMEE ELIZABETH FOSTER KELLERCredential: MS, FNP-BC
Location Address52 SECOND AVE STE 520Waltham, MA 02451-1142
Mailing Address52 Second Ave Ste 520Waltham, MA 02451-1142 · (781) 487-6000 · Fax (781) 487-2978
Phone(781) 487-6000
Fax(781) 487-2978
Sole ProprietorNo
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2019
Enumeration DateJuly 30, 2019
Last NPPES UpdateJune 3, 20245 updates tracked since enumeration
NPPES CertifiedJune 3, 2024
✔ NPI 1447804216 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MA · RN2274206
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License RN2274206 (MA)
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License RN2274206 (MA)
52 SECOND AVE STE 520, Waltham, MA 02451
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Aimee Elizabeth Foster Keller Ms, Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2668899303
PECOS Enrollment IDI20200826003427
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
296 services202 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
107 services86 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Wentworth-Douglass Hospital

Acute Care Hospitals · Dover, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300018
Location789 Central AveDover, NH 03820 · Strafford County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02451 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Aimee Keller's NPI number?

The NPI number for Aimee Keller is 1447804216. It was assigned to this individual provider in the NPPES registry on July 30, 2019.

Where is Aimee Keller located?

Aimee Keller practices at 52 Second Ave Ste 520, Waltham, MA 02451. The listed phone number is (781) 487-6000.

What is Aimee Keller's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Aimee Keller enrolled in Medicare?

Yes. Aimee Keller is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Aimee Keller affiliated with any hospitals?

According to CMS data, Aimee Keller is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital and Wentworth-Douglass Hospital.

When was this NPI record last updated?

The NPPES record for Aimee Keller was last updated on June 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.