Aimee Elizabeth Foster Keller, MS, FNP-BC
Nurse Practitioner · Waltham, MA
Aimee Elizabeth Foster Keller, MS, FNP-BC is a nurse practitioner with a practice address in Waltham, Massachusetts, and NPI 1447804216, issued on Jul 30, 2019. Check the license (Massachusetts RN2274206, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Aimee Elizabeth Foster Keller
- Credential
- MS, FNP-BC
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN2274206 MA
Self-reported in NPPES; status is on the state search - Practice location
- 52 Second Ave Ste 520, Waltham, MA 02451
- Phone
- (781) 487-6000
- Enumerated
- Jul 30, 2019
- Record last updated
- Jun 3, 2024
- Fax
- (781) 487-2978
- Medicare enrollment
- Enrolled (PECOS I20200826003427); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →
Verify Aimee Elizabeth Foster Keller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2274206Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average nurse practitioner in 2024
4,772 Medicare Part D claims for 1,090 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Metoprolol Succinate554 claims
- Atorvastatin Calcium464 claims
- Eliquis367 claims
- Amlodipine Besylate281 claims
- Losartan Potassium211 claims
- Rosuvastatin Calcium196 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aimee Elizabeth Foster Keller among 3,480 nurse practitioner records in Massachusetts
Aimee Elizabeth Foster Keller, MS, FNP-BC is one of 3,480 nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 63% of them.
- NPI issued2019 · 63% of these records are older, 32% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2019 · median 2017 among the 1,963 with a school on file
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 nurse practitioner records list a practice address in Waltham
They are 25 of the 2,111 NPPES records with a practice address in Waltham, and 3,480 nurse practitioner records in Massachusetts.
All 3,480 in Massachusetts → Every provider in Waltham → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Anne Marie Bourque, NPWaltham, MA 024511871544981
- Katelyn Carney, NPWaltham, MA 024511326303629
- Larissa Engleman, NPWaltham, MA 024511790838704
- Susan Franchi, NPWaltham, MA 024511407903420
- Cynthia Gosselin, NPWaltham, MA 024511558767269
- Margot Holman, NPWaltham, MA 024511932273356
- Maegan Picariello, NPWaltham, MA 024511568413334
- Melissa Plourde, ANPWaltham, MA 024511629234943
Common questions
What is Aimee Elizabeth Foster Keller, MS, FNP-BC's NPI number?
Aimee Elizabeth Foster Keller, MS, FNP-BC's National Provider Identifier (NPI) is 1447804216, issued on Jul 30, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Aimee Elizabeth Foster Keller, MS, FNP-BC located?
The NPPES record lists a practice address at 52 Second Ave Ste 520, Waltham, MA, 02451. Phone: (781) 487-6000. Providers update this record themselves, so call before visiting.
How can I verify Aimee Elizabeth Foster Keller, MS, FNP-BC's license?
NPPES lists Massachusetts license number RN2274206, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Aimee Elizabeth Foster Keller, MS, FNP-BC prescribe under Medicare Part D?
In 2024, Aimee Elizabeth Foster Keller, MS, FNP-BC had 4,772 Medicare Part D claims for 1,090 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.