Doris Armstrong, RN
NPI 1841960325 · Medical-Surgical Registered Nurse · Merrillville, IN
Doris Armstrong, RN is a Medical-Surgical Registered Nurse provider in Merrillville, IN (NPI 1841960325).
Provider details
- NPI number
- 1841960325
- Entity type
- Individual
- Primary specialty
- Medical-Surgical Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 28221888A (IN)
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
4 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
- 2021-09-16
- Last updated
- 2021-09-16
- Certified
- 2021-09-16
Frequently asked questions
- What is Doris Armstrong's NPI number?
- Doris Armstrong's National Provider Identifier (NPI) is 1841960325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Doris Armstrong's specialty?
- Doris Armstrong is listed in the NPPES registry with a primary specialty of Medical-Surgical Registered Nurse (Nursing Service Providers).
- Where is Doris Armstrong located?
- Doris Armstrong's practice location on file with NPPES is 5250 Delaware St, Merrillville, IN 46410-1547.
- What is Doris Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Doris Armstrong is (219) 201-4250.
- Is Doris Armstrong's NPI active?
- Yes — Doris Armstrong's NPI (1841960325) is active in the NPPES registry as of the last update on 2021-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.