Marissa A. Mason, LICSW
Clinical Social Worker · Morrisville, VT
Marissa A. Mason, LICSW is a clinical social worker with a practice address in Morrisville, Vermont, and NPI 1023760261, issued on Jan 19, 2022. Check the license (Vermont 089.0134508, as entered in NPPES) with the Vermont board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa A. Mason
- Credential
- LICSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 089.0134508 VT
Self-reported in NPPES; status is on the state search - Practice location
- 607 Washington Hwy, Morrisville, VT 05661
- Phone
- (802) 888-8320
- Enumerated
- Jan 19, 2022
- Record last updated
- Jul 23, 2024
- Fax
- (802) 888-8136
- Medicare enrollment
- Enrolled (PECOS I20220131001722); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 1,261 in Vermont → Look up another NPI →
Also registered at 607 Washington Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Richard Farrell, LICSWClinical Social Worker1770869182
- Susan Geer, LICSWClinical Social Worker1629141528
Verify Marissa A. Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Vermont board licenses this profession
Search for license 089.0134508Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Lamoille Health Partners IncMorrisville, VT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa A. Mason among 1,261 clinical social worker records in Vermont
Marissa A. Mason, LICSW is one of 1,261 clinical social worker records with a practice address in Vermont. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 80% of them.
- NPI issued2022 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated2019 · median 2007 among the 369 with a school on file
- Record last updated2024 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Vermont practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 clinical social worker records list a practice address in Morrisville
They are 21 of the 301 NPPES records with a practice address in Morrisville, and 1,261 clinical social worker records in Vermont.
All 1,261 in Vermont → Every provider in Morrisville → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Brenda Christie, MSW. LISCWMorrisville, VT 056611992882971
- Kate Donnally, LCSWMorrisville, VT 056611912295965
- Marianna Donnally, MAMorrisville, VT 056611740650050
- Margaret Elmer, LICSWMorrisville, VT 056611457795759
- Richard Farrell, LICSWMorrisville, VT 056611770869182
- Susan Geer, LICSWMorrisville, VT 056611629141528
- Hayley Hamilton, LICSWMorrisville, VT 056611760598635
- Claire Hancock, LICSWMorrisville, VT 056611184765000
Common questions
What is Marissa A. Mason, LICSW's NPI number?
Marissa A. Mason, LICSW's National Provider Identifier (NPI) is 1023760261, issued on Jan 19, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Marissa A. Mason, LICSW located?
The NPPES record lists a practice address at 607 Washington Hwy, Morrisville, VT, 05661. Phone: (802) 888-8320. Providers update this record themselves, so call before visiting.
How can I verify Marissa A. Mason, LICSW's license?
NPPES lists Vermont license number 089.0134508, as entered by the provider. Search the Vermont board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.