Mary Brennan, RN
NPI 1033322524 · Adult Psychiatric/Mental Health Registered Nurse · Nashville, TN
Mary Brennan, RN is a Adult Psychiatric/Mental Health Registered Nurse provider in Nashville, TN (NPI 1033322524).
Provider details
- NPI number
- 1033322524
- Entity type
- Individual
- Primary specialty
- Adult Psychiatric/Mental Health Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 0000046401 (TN)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Brennan's NPI number?
- Mary Brennan's National Provider Identifier (NPI) is 1033322524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Brennan's specialty?
- Mary Brennan is listed in the NPPES registry with a primary specialty of Adult Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Mary Brennan located?
- Mary Brennan's practice location on file with NPPES is 948 Woodland St, Nashville, TN 37206-3722.
- What is Mary Brennan's phone number?
- The practice phone number listed in the NPPES registry for Mary Brennan is (615) 650-5550.
- Is Mary Brennan's NPI active?
- Yes — Mary Brennan's NPI (1033322524) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.