Heather Witthoff, MSW, LCSW
NPI 1619034238 · Clinical Social Worker · Oak Park, IL
Heather Witthoff, MSW, LCSW is a Clinical Social Worker provider in Oak Park, IL (NPI 1619034238).
Provider details
- NPI number
- 1619034238
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 149010872 (IL)
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
19 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
- 2007-01-02
- Last updated
- 2008-06-04
Frequently asked questions
- What is Heather Witthoff's NPI number?
- Heather Witthoff's National Provider Identifier (NPI) is 1619034238, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Witthoff's specialty?
- Heather Witthoff is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Heather Witthoff located?
- Heather Witthoff's practice location on file with NPPES is 1010 Lake St, Oak Park, IL 60301-1147.
- What is Heather Witthoff's phone number?
- The practice phone number listed in the NPPES registry for Heather Witthoff is (773) 387-4787.
- Is Heather Witthoff's NPI active?
- Yes — Heather Witthoff's NPI (1619034238) is active in the NPPES registry as of the last update on 2008-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.