Mary Allison, RN
NPI 1922970979 · Critical Care Medicine Registered Nurse · Madison, TN
Mary Allison, RN is a Critical Care Medicine Registered Nurse provider in Madison, TN (NPI 1922970979).
Provider details
- NPI number
- 1922970979
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN758250 (PA)
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
Under 1 yr in 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
- 2025-09-19
- Last updated
- 2025-09-19
- Certified
- 2025-09-19
Frequently asked questions
- What is Mary Allison's NPI number?
- Mary Allison's National Provider Identifier (NPI) is 1922970979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Allison's specialty?
- Mary Allison is listed in the NPPES registry with a primary specialty of Critical Care Medicine Registered Nurse (Nursing Service Providers).
- Where is Mary Allison located?
- Mary Allison's practice location on file with NPPES is 315 Hospital Dr, Madison, TN 37115-5030.
- What is Mary Allison's phone number?
- The practice phone number listed in the NPPES registry for Mary Allison is (615) 732-7662.
- Is Mary Allison's NPI active?
- Yes — Mary Allison's NPI (1922970979) is active in the NPPES registry as of the last update on 2025-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.