Greyson Langenwalter
NPI 1396677571 · Mental Health Counselor · Rock Island, IL
Greyson Langenwalter is a Mental Health Counselor provider in Rock Island, IL (NPI 1396677571).
Provider details
- NPI number
- 1396677571
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social 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
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
Mailing address
Registry dates
- Enumerated
- 2026-06-01
- Last updated
- 2026-06-01
- Certified
- 2026-06-01
Frequently asked questions
- What is Greyson Langenwalter's NPI number?
- Greyson Langenwalter's National Provider Identifier (NPI) is 1396677571, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greyson Langenwalter's specialty?
- Greyson Langenwalter is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Greyson Langenwalter located?
- Greyson Langenwalter's practice location on file with NPPES is 2200 3rd Ave, Rock Island, IL 61201-8840.
- What is Greyson Langenwalter's phone number?
- The practice phone number listed in the NPPES registry for Greyson Langenwalter is (309) 779-2094.
- Is Greyson Langenwalter's NPI active?
- Yes — Greyson Langenwalter's NPI (1396677571) is active in the NPPES registry as of the last update on 2026-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.