Margaret Grivas Clinical Social Work, PLLC
NPI 1518801430 · Clinical Social Worker · Traverse City, MI
Margaret Grivas Clinical Social Work, PLLC is a Clinical Social Worker organization in Traverse City, MI (NPI 1518801430).
Provider details
- NPI number
- 1518801430
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Margaret Grivas, Clinical Social Worker(231) 392-6621
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
Under 1 yr in 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
- 2026-04-20
- Last updated
- 2026-04-20
- Certified
- 2026-04-20
Frequently asked questions
- What is Margaret Grivas Clinical Social Work, PLLC's NPI number?
- Margaret Grivas Clinical Social Work, PLLC's National Provider Identifier (NPI) is 1518801430, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Margaret Grivas Clinical Social Work, PLLC?
- Margaret Grivas Clinical Social Work, PLLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Margaret Grivas Clinical Social Work, PLLC located?
- Margaret Grivas Clinical Social Work, PLLC's practice location on file with NPPES is 1957 Headwaters Dr, Traverse City, MI 49686-8060.
- What is Margaret Grivas Clinical Social Work, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Margaret Grivas Clinical Social Work, PLLC is (231) 392-6621.
- Who is the authorized official for Margaret Grivas Clinical Social Work, PLLC?
- The authorized official listed on Margaret Grivas Clinical Social Work, PLLC's NPPES record is Margaret Grivas, Clinical Social Worker. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Margaret Grivas Clinical Social Work, PLLC's NPI active?
- Yes — Margaret Grivas Clinical Social Work, PLLC's NPI (1518801430) is active in the NPPES registry as of the last update on 2026-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.