Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MATTHEW GARTHWAIT
Active Sole ProprietorMATTHEW GARTHWAIT is a Clinical Social Worker healthcare provider located in RYE, New Hampshire. NPI 1578929337 is currently active in the NPPES registry. Verify at CMS.
Clinical Social Worker · RYE, NH
Registration Details
- NPI Number
- 1578929337
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Jan 11, 2016 (10.566217250452 yrs)
- Last Updated
- Jan 14, 2026
- License
-
2399 (NH)
- Sole Proprietor
- Yes
Practice Information
- Address
-
1245 WASHINGTON RDRYE, NH, 038702339Browse NH providers · Browse ZIP 03870
- Phone
- 6039697842
- Primary Specialty
-
Clinical Social Worker
1041C0700X
Other Clinical Social Worker Providers in RYE, NH
| Name | Credential | NPI |
|---|---|---|
| ELIZABETH HALL | MSW | 1093918740 |
| CECELIA ARRISON TARR | MSW | 1487133815 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.