Tammia Johnson, RN
NPI 1114876414 · Infusion Therapy Registered Nurse · Pikesville, MD
Tammia Johnson, RN is a Infusion Therapy Registered Nurse provider in Pikesville, MD (NPI 1114876414).
Provider details
- NPI number
- 1114876414
- Entity type
- Individual
- Primary specialty
- Infusion Therapy Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- R251254 (MD)
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
- 2026-01-28
- Last updated
- 2026-04-07
- Certified
- 2026-04-07
Frequently asked questions
- What is Tammia Johnson's NPI number?
- Tammia Johnson's National Provider Identifier (NPI) is 1114876414, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammia Johnson's specialty?
- Tammia Johnson is listed in the NPPES registry with a primary specialty of Infusion Therapy Registered Nurse (Nursing Service Providers).
- Where is Tammia Johnson located?
- Tammia Johnson's practice location on file with NPPES is 1829 Reisterstown Rd Ste 350, Pikesville, MD 21208-7126.
- What is Tammia Johnson's phone number?
- The practice phone number listed in the NPPES registry for Tammia Johnson is (443) 226-1676.
- Is Tammia Johnson's NPI active?
- Yes — Tammia Johnson's NPI (1114876414) is active in the NPPES registry as of the last update on 2026-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.