Marilyn Griffiths, T.L.L.P.
NPI 1659675189 · Psychologist · Saint Joseph, MI
Marilyn Griffiths, T.L.L.P. is a Psychologist provider in Saint Joseph, MI (NPI 1659675189).
Provider details
- NPI number
- 1659675189
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- T.L.L.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 6301014082 (MI)
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
- 2010-12-23
- Last updated
- 2010-12-23
Frequently asked questions
- What is Marilyn Griffiths's NPI number?
- Marilyn Griffiths's National Provider Identifier (NPI) is 1659675189, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Griffiths's specialty?
- Marilyn Griffiths is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Marilyn Griffiths located?
- Marilyn Griffiths's practice location on file with NPPES is 211 Hilltop Rd, Saint Joseph, MI 49085-2300.
- What is Marilyn Griffiths's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Griffiths is (269) 326-0659.
- Is Marilyn Griffiths's NPI active?
- Yes — Marilyn Griffiths's NPI (1659675189) is active in the NPPES registry as of the last update on 2010-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.