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Sierrea Mcniff, MS
NPI 1598611675 · Case Manager/Care Coordinator · Alton, IL
Sierrea Mcniff, MS is a Case Manager/Care Coordinator provider in Alton, IL (NPI 1598611675).
Provider details
- NPI number
- 1598611675
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Credential
- MS
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Basic profile(46/100 index)
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
83% 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
2615 Edwards St
Alton, IL 62002-3915
Phone: (618) 462-2331
Fax: (618) 462-2504
Street-level locationGet directions
Mailing address
902 W Main St
West Frankfort, IL 62896-2210
Registry dates
- Enumerated
- 2026-03-10
- Last updated
- 2026-03-10
- Certified
- 2026-03-10
Frequently asked questions
- What is Sierrea Mcniff's NPI number?
- Sierrea Mcniff's National Provider Identifier (NPI) is 1598611675, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierrea Mcniff's specialty?
- Sierrea Mcniff is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Sierrea Mcniff located?
- Sierrea Mcniff's practice location on file with NPPES is 2615 Edwards St, Alton, IL 62002-3915.
- What is Sierrea Mcniff's phone number?
- The practice phone number listed in the NPPES registry for Sierrea Mcniff is (618) 462-2331.
- Is Sierrea Mcniff's NPI active?
- Yes — Sierrea Mcniff's NPI (1598611675) is active in the NPPES registry as of the last update on 2026-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.