Mariamma Johnson, RN
NPI 1386470425 · Critical Care Medicine Registered Nurse · San Antonio, TX
Mariamma Johnson, RN is a Critical Care Medicine Registered Nurse provider in San Antonio, TX (NPI 1386470425).
Provider details
- NPI number
- 1386470425
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 747252 (TX)
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
1 yr 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
- 2024-09-13
- Last updated
- 2024-09-13
- Certified
- 2024-09-13
Frequently asked questions
- What is Mariamma Johnson's NPI number?
- Mariamma Johnson's National Provider Identifier (NPI) is 1386470425, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariamma Johnson's specialty?
- Mariamma Johnson is listed in the NPPES registry with a primary specialty of Critical Care Medicine Registered Nurse (Nursing Service Providers).
- Where is Mariamma Johnson located?
- Mariamma Johnson's practice location on file with NPPES is 7400 Merton Minter St, San Antonio, TX 78229-4404.
- What is Mariamma Johnson's phone number?
- The practice phone number listed in the NPPES registry for Mariamma Johnson is (210) 617-5300.
- Is Mariamma Johnson's NPI active?
- Yes — Mariamma Johnson's NPI (1386470425) is active in the NPPES registry as of the last update on 2024-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.