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Theodore Olson, PHD
NPI 1912009614 · Psychologist · Marshfield, WI
Theodore Olson, PHD is a Psychologist provider in Marshfield, WI (NPI 1912009614).
Provider details
- NPI number
- 1912009614
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 1675 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
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
1000 N Oak Ave
Marshfield, WI 54449
Phone: (715) 389-3825
Street-level locationGet directions
Mailing address
1000 N Oak Ave
Marshfield, WI 54449-5777
Registry dates
- Enumerated
- 2006-09-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Theodore Olson's NPI number?
- Theodore Olson's National Provider Identifier (NPI) is 1912009614, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Olson's specialty?
- Theodore Olson is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Theodore Olson located?
- Theodore Olson's practice location on file with NPPES is 1000 N Oak Ave, Marshfield, WI 54449.
- What is Theodore Olson's phone number?
- The practice phone number listed in the NPPES registry for Theodore Olson is (715) 389-3825.
- Is Theodore Olson's NPI active?
- Yes — Theodore Olson's NPI (1912009614) 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.