Kellie Gerstweiler, LMSW
NPI 1629485131 · Clinical Social Worker · Muskegon, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kellie Gerstweiler, LMSW is a Clinical Social Worker provider in Muskegon, MI (NPI 1629485131).
Provider details
- NPI number
- 1629485131
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
11 yrs in NPPES 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
- 2014-07-16
- Last updated
- 2023-10-25
- Certified
- 2023-10-18
Frequently asked questions
- What is Kellie Gerstweiler's NPI number?
- Kellie Gerstweiler's National Provider Identifier (NPI) is 1629485131, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kellie Gerstweiler's specialty?
- Kellie Gerstweiler is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Kellie Gerstweiler located?
- Kellie Gerstweiler's practice location on file with NPPES is 318 Houston Ave, Muskegon, MI 49441-1911.
- What is Kellie Gerstweiler's phone number?
- The practice phone number listed in the NPPES registry for Kellie Gerstweiler is (231) 286-4571.
- Does Kellie Gerstweiler accept Medicare?
- Kellie Gerstweiler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kellie Gerstweiler's NPI active?
- Yes — Kellie Gerstweiler's NPI (1629485131) is active in the NPPES registry as of the last update on 2023-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.