William Warzak, PH.D.
NPI 1124103213 · Cognitive & Behavioral Psychologist · Omaha, NE
William Warzak, PH.D. is a Cognitive & Behavioral Psychologist provider in Omaha, NE (NPI 1124103213).
Provider details
- NPI number
- 1124103213
- Entity type
- Individual
- Primary specialty
- Cognitive & Behavioral PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 249 (NE)
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
- 2006-10-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Warzak's NPI number?
- William Warzak's National Provider Identifier (NPI) is 1124103213, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Warzak's specialty?
- William Warzak is listed in the NPPES registry with a primary specialty of Cognitive & Behavioral Psychologist (Behavioral Health & Social Service Providers).
- Where is William Warzak located?
- William Warzak's practice location on file with NPPES is 985450 Nebraska Med Ctr, Omaha, NE 68198-5450.
- What is William Warzak's phone number?
- The practice phone number listed in the NPPES registry for William Warzak is (402) 559-8943.
- Is William Warzak's NPI active?
- Yes — William Warzak's NPI (1124103213) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.