Don Zeidlhack, PSY.D.
NPI 1942325618 · Clinical Psychologist · Naperville, IL
Don Zeidlhack, PSY.D. is a Clinical Psychologist provider in Naperville, IL (NPI 1942325618).
Provider details
- NPI number
- 1942325618
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 071006860 (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
- 2007-03-20
- Last updated
- 2008-12-08
Frequently asked questions
- What is Don Zeidlhack's NPI number?
- Don Zeidlhack's National Provider Identifier (NPI) is 1942325618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Don Zeidlhack's specialty?
- Don Zeidlhack is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Don Zeidlhack located?
- Don Zeidlhack's practice location on file with NPPES is 445 W Jackson Ave, Naperville, IL 60540-5256.
- What is Don Zeidlhack's phone number?
- The practice phone number listed in the NPPES registry for Don Zeidlhack is (630) 414-1050.
- Is Don Zeidlhack's NPI active?
- Yes — Don Zeidlhack's NPI (1942325618) is active in the NPPES registry as of the last update on 2008-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.