Christopher Nicholas, PH.D.
NPI 1659679421 · Psychologist · Madison, WI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Nicholas, PH.D. is a Psychologist provider in Madison, WI (NPI 1659679421).
Provider details
- NPI number
- 1659679421
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 3160 (WI)
Specialties & taxonomies
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
15 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
- 2011-03-03
- Last updated
- 2021-01-13
- Certified
- 2021-01-13
Frequently asked questions
- What is Christopher Nicholas's NPI number?
- Christopher Nicholas's National Provider Identifier (NPI) is 1659679421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Nicholas's specialty?
- Christopher Nicholas is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Christopher Nicholas located?
- Christopher Nicholas's practice location on file with NPPES is 1102 S Park St, Madison, WI 53715-1708.
- What is Christopher Nicholas's phone number?
- The practice phone number listed in the NPPES registry for Christopher Nicholas is (608) 263-9550.
- Does Christopher Nicholas accept Medicare?
- Christopher Nicholas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Nicholas's NPI active?
- Yes — Christopher Nicholas's NPI (1659679421) is active in the NPPES registry as of the last update on 2021-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.