Grant Porteous, LMSW
NPI 1346338357 · Clinical Social Worker · Traverse City, MI
Grant Porteous, LMSW is a Clinical Social Worker provider in Traverse City, MI (NPI 1346338357).
Provider details
- NPI number
- 1346338357
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- No
- License
- 6801084473 (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
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
Mailing address
Registry dates
- Enumerated
- 2006-10-11
- Last updated
- 2018-03-06
Frequently asked questions
- What is Grant Porteous's NPI number?
- Grant Porteous's National Provider Identifier (NPI) is 1346338357, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Porteous's specialty?
- Grant Porteous is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Grant Porteous located?
- Grant Porteous's practice location on file with NPPES is 3335 S Airport Rd W, Traverse City, MI 49684-7928.
- What is Grant Porteous's phone number?
- The practice phone number listed in the NPPES registry for Grant Porteous is (231) 715-8466.
- Is Grant Porteous's NPI active?
- Yes — Grant Porteous's NPI (1346338357) is active in the NPPES registry as of the last update on 2018-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.