Courtney Day
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2026
- Practice locations
- 2
- Practice address
- 133 Brookline Ave Fl 9 Fl 9, Boston, MA 02215
- Practice phone
- Call (617) 421-1091
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Atrius Health - Boston (Brookline Ave)
Multi-specialty group site · Boston, Massachusetts
Find Courtney Day's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Courtney Day is a family nurse practitioner in Winthrop, Massachusetts
Courtney Day practices at Atrius Health - Boston (Brookline Ave) in Boston, Massachusetts.
Courtney Day's NPI, 1982562773, was assigned on January 12, 2026. Courtney Day holds Massachusetts license RN2349280.
- NPI
- 1982562773NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436633872
- NPI enumeration date
- January 12, 2026
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 421-1091
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Courtney Day practices in Boston and Winthrop
Courtney Day's primary practice is Atrius Health - Boston (Brookline Ave), at 133 Brookline Ave Fl 9 Fl 9, Boston, MA 02215. The practice phone is (617) 421-1091. The NPI Registry lists Courtney Day's practice address as 22 Pico Ave, Winthrop, MA 02152.
- Atrius Health - Boston (Brookline Ave)Primary133 Brookline Ave Fl 9 Fl 9, Boston, MA 02215Phone(617) 421-1091
- NPI Registry address22 Pico Ave, Winthrop, MA 02152Phone(325) 245-5968
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Courtney Day is affiliated with 1 site of care and 1 medical group
Courtney Day's primary practice is Atrius Health - Boston (Brookline Ave) in Boston, Massachusetts. The medical group on file is Atrius Health.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Courtney Day's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Courtney Day practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Atrius Health - Boston (Brookline Ave) | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Courtney Day is one of 3,644 family nurse practitioners in Massachusetts
Family is Courtney Day's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Courtney Day is licensed in Massachusetts.
Specialties and state licenses
- Family nurse practitioner, MassachusettsPrimary
Family nurse practitioners near Courtney Day
Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
How Courtney Day takes part in Medicare
Courtney Day accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Courtney Day's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Courtney Day
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Courtney Day's NPI number?
Courtney Day's NPI number is 1982562773. It was assigned on January 12, 2026, and it is active in the NPI Registry.
What does Courtney Day specialize in?
Courtney Day is a family nurse practitioner in Winthrop, Massachusetts. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Courtney Day practice?
Courtney Day practices at 133 Brookline Ave Fl 9 Fl 9, Boston, MA 02215. Courtney Day also practices at 22 Pico Ave, Winthrop, MA 02152. Courtney Day's primary practice is Atrius Health - Boston (Brookline Ave) in Boston, Massachusetts.
What is Courtney Day's office phone number?
The practice phone on file for Courtney Day is (617) 421-1091.
What is Courtney Day's medical license number?
Courtney Day holds Massachusetts license RN2349280.
What medical group is Courtney Day part of?
Courtney Day is linked to Atrius Health.
Does Courtney Day accept Medicare?
Yes. CMS lists Courtney Day as accepting Medicare assignment.
How long has Courtney Day been practicing?
Courtney Day's NPI was assigned in 2026.
Selling to family practices?
See family nurse practitioners in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card