Heather Mikkelson, LCSW,CSAC
NPI 1588190607 · Clinical Social Worker · Appleton, WI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Mikkelson, LCSW,CSAC is a Clinical Social Worker provider in Appleton, WI (NPI 1588190607).
Provider details
- NPI number
- 1588190607
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW,CSAC
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
- Counselor101Y00000X
Behavioral Health & Social Service Providers
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
9 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
- 2017-05-10
- Last updated
- 2026-03-30
- Certified
- 2026-03-30
Frequently asked questions
- What is Heather Mikkelson's NPI number?
- Heather Mikkelson's National Provider Identifier (NPI) is 1588190607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Mikkelson's specialty?
- Heather Mikkelson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Heather Mikkelson located?
- Heather Mikkelson's practice location on file with NPPES is 5471 W Waterford Ln, Appleton, WI 54913-8510.
- What is Heather Mikkelson's phone number?
- The practice phone number listed in the NPPES registry for Heather Mikkelson is (920) 731-7445.
- Does Heather Mikkelson accept Medicare?
- Heather Mikkelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Mikkelson's NPI active?
- Yes — Heather Mikkelson's NPI (1588190607) is active in the NPPES registry as of the last update on 2026-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.