Addie F. Day, RN, ANP-C
Adult Health Nurse Practitioner · Cambridge, MA
Addie F. Day, RN, ANP-C is an adult health nurse practitioner with a practice address in Cambridge, Massachusetts, and NPI 1104251602, issued on Sep 4, 2013. Check the license (Massachusetts RN2277693, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Addie F. Day
- Credential
- RN, ANP-C
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License numbers
- RN2277693 MA
068485-21 NH
Self-reported in NPPES; status is on the state search - Practice location
- 625 Mount Auburn St Ste 101A, Cambridge, MA 02138
- Phone
- (617) 492-4545
- Enumerated
- Sep 4, 2013
- Record last updated
- Mar 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20140218001122); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 1,465 in Massachusetts → Look up another NPI →
Also registered at 625 Mount Auburn St Ste 101A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Haft, MDInternal Medicine Physician1720079536
Verify Addie F. Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2277693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average adult health nurse practitioner in 2024
1,994 Medicare Part D claims for 479 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium184 claims
- Lisinopril126 claims
- Rosuvastatin Calcium120 claims
- Amlodipine Besylate97 claims
- Levothyroxine Sodium91 claims
- Sertraline Hcl57 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
- Mount Auburn Professional Services IncLexington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Addie F. Day among 1,465 adult health nurse practitioner records in Massachusetts
Addie F. Day, RN, ANP-C is one of 1,465 adult health nurse practitioner records with a practice address in Massachusetts. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 24% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2013 · median 2010 among the 634 with a school on file
- Record last updated2025 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Massachusetts
There are 1,465 adult health nurse practitioner records in Massachusetts.
All 1,465 in Massachusetts → Every provider in Cambridge → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Laura Borgia, CRNPCambridge, MA 021381881714327
- Joanne Casaletto, NPCambridge, MA 021381457475717
- Cristina Collins, NPCambridge, MA 021381235109935
- Kathleen Corbo, NPCambridge, MA 021381134170889
- E. Flory, RN,MS,NPCambridge, MA 021381871641886
- Nancy Hays, NPCambridge, MA 021381396793410
- Richard Lambert, NPCambridge, MA 021381083698864
- Kristin Lindemann, ANP-BCCambridge, MA 021381467601138
Common questions
What is Addie F. Day, RN, ANP-C's NPI number?
Addie F. Day, RN, ANP-C's National Provider Identifier (NPI) is 1104251602, issued on Sep 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Addie F. Day, RN, ANP-C located?
The NPPES record lists a practice address at 625 Mount Auburn St Ste 101A, Cambridge, MA, 02138. Phone: (617) 492-4545. Providers update this record themselves, so call before visiting.
How can I verify Addie F. Day, RN, ANP-C's license?
NPPES lists Massachusetts license number RN2277693, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Addie F. Day, RN, ANP-C prescribe under Medicare Part D?
In 2024, Addie F. Day, RN, ANP-C had 1,994 Medicare Part D claims for 479 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.