Rachael Brennan
- Medicare patients, 2024
- 191
- Hospital affiliations
- 1
- Medical groups
- 2
- State licenses
- 2
- Year NPI issued
- 2021
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Rachael Brennan'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.
Rachael Brennan is a nurse anesthetist in Boston, Massachusetts
Rachael Brennan practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Rachael Brennan's NPI, 1407444052, was assigned on January 8, 2021. Rachael Brennan graduated from Rush Medical College of Rush University in 2020. Rachael Brennan holds Massachusetts license RN2348864.
- NPI
- 1407444052NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476942384
- NPI enumeration date
- January 8, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Rachael Brennan practices at Brigham and Women's Hospital in Boston, Massachusetts
Rachael Brennan's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Rachael Brennan is affiliated with 2 sites of care and 2 medical groups
Rachael Brennan's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Rachael Brennan to 1 more hospital outpatient department and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Rachael Brennan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Rachael Brennan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +1 more site and 1 medical group | 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 Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.
Rachael Brennan is one of 1,027 nurse anesthetists in Massachusetts
Nurse anesthetist, certified registered is Rachael Brennan's primary specialty in the NPI Registry, under taxonomy code 367500000X. Dmand AI has Rachael Brennan's licenses on file in 2 states: Massachusetts and Illinois.
Specialties and state licenses
- Certified registered nurse anesthetist, MassachusettsPrimary
- Registered nurse, Illinois
Nurse anesthetists near Rachael Brennan
Counts of nurse anesthetists 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
Rachael Brennan treated 191 Medicare patients in 2024, average age 73
CMS counts 191 Medicare patients who saw Rachael Brennan in 2024. The largest group is 65 to 74, with 82 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.80, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Rachael Brennan's median patient age at 74, with 25% women.
Rachael Brennan's Medicare patients by age, 2024
Rachael Brennan's Medicare patients by sex, 2024
- Women11359%
- Men7841%
Chronic conditions among Rachael Brennan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Anxiety46%
- Mood disorders45%
- Depression40%
- Ischemic heart disease32%
- Cancer31%
Share of Medicare patients with each condition. A patient can have several.
Rachael Brennan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women25%
- Men75%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Rachael Brennan takes part in Medicare
Rachael Brennan 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)
Rachael Brennan graduated from Rush Medical College of Rush University
Rachael Brennan graduated from Rush Medical College of Rush University in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Rachael Brennan'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Rachael Brennan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Rachael Brennan's NPI number?
Rachael Brennan's NPI number is 1407444052. It was assigned on January 8, 2021, and it is active in the NPI Registry.
What does Rachael Brennan specialize in?
Rachael Brennan is a nurse anesthetist in Boston, Massachusetts. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).
Where does Rachael Brennan practice?
Rachael Brennan practices at 75 Francis Street, Boston, MA 02115. Rachael Brennan's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Rachael Brennan to 1 hospital outpatient department and 1 medical group.
What is Rachael Brennan's office phone number?
The practice phone on file for Rachael Brennan is (617) 732-5500.
What is Rachael Brennan's medical license number?
Rachael Brennan holds Massachusetts license RN2348864, one of the licenses on file in 2 states.
Which states has Rachael Brennan been licensed in?
Dmand AI has state licenses on file for Rachael Brennan in Massachusetts and Illinois.
Which hospitals is Rachael Brennan affiliated with?
Rachael Brennan practices at Brigham and Women's Hospital in Boston, Massachusetts.
What medical group is Rachael Brennan part of?
Rachael Brennan is linked to Brigham and Women's Hospital. Dmand AI links Rachael Brennan to 1 more medical group.
Does Rachael Brennan accept Medicare?
Yes. CMS lists Rachael Brennan as accepting Medicare assignment.
How many Medicare patients does Rachael Brennan see?
CMS counts 191 Medicare patients who saw Rachael Brennan in 2024, with an average age of 73.
Where did Rachael Brennan go to medical school?
Rachael Brennan graduated from Rush Medical College of Rush University in 2020.
How long has Rachael Brennan been practicing?
Rachael Brennan graduated from medical school in 2020, 6 years ago.
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