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Theodore Sinnaeve, LLP
NPI 1003867680 · Psychologist · Lansing, MI
Theodore Sinnaeve, LLP is a Psychologist provider in Lansing, MI (NPI 1003867680).
Provider details
- NPI number
- 1003867680
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- LLP
- Sex
- Male
- License
- 6301012911 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
5303 S Cedar St
Ste 219
Lansing, MI 48911-3800
Phone: (517) 346-8248
Fax: (517) 346-8291
Street-level locationGet directions
Mailing address
812 E Jolly Rd
Lansing, MI 48910-6818
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Theodore Sinnaeve's NPI number?
- Theodore Sinnaeve's National Provider Identifier (NPI) is 1003867680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Sinnaeve's specialty?
- Theodore Sinnaeve is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Theodore Sinnaeve located?
- Theodore Sinnaeve's practice location on file with NPPES is 5303 S Cedar St, Lansing, MI 48911-3800.
- What is Theodore Sinnaeve's phone number?
- The practice phone number listed in the NPPES registry for Theodore Sinnaeve is (517) 346-8248.
- Is Theodore Sinnaeve's NPI active?
- Yes — Theodore Sinnaeve's NPI (1003867680) 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.