MARISSA A MASON (LICSW) – Clinical Social Worker, NPI 1023760261

MARISSA A MASON (LICSW) is a healthcare provider. based in Morrisville, Vermont. specializing in CLINICAL SOCIAL WORKER. They hold the professional credentials LICSW. They hold a License No. 089.0134508 (VT). The NPI Number for MARISSA A MASON (LICSW) is 1023760261

Main info

Female
7 Years Of Experience
Accepts Medicare Assignment
Name
MARISSA A MASON (LICSW)
NPI
1023760261
Phone
(802) 851-8619
Address
PO BOX 749
Enumeration Date
19 January 2022
Last Update Date
23 July 2024

Doctor Profile

Medical School Name
UNIVERSITY OF VERMONT COLLEGE OF MEDICINE
Secondary Phone
8028887585
Graduation Year
2019 (7 years ago)
PAC ID
0244623080
Group Practice PAC ID
4789586942
Professional Enrollment ID
I20220131001722
Address ID
VT056618652MO609XXHWYX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience32
Completeness75
Years active:4State licenses:1Digital endpointsOther names

436 CLINICAL SOCIAL WORKER in VT

Provider Addresses for MARISSA A MASON (LICSW)

  • PO BOX 749

    MORRISVILLE, VT 056610749

    Phone: (802) 851-8619

    Fax: (802) 851-8716

    Type: Mailing

  • 607 WASHINGTON HWY

    MORRISVILLE, VT 056618652

    Phone: (802) 888-8320

    Fax: (802) 888-8136

    Type: Location

  • 609 Washington Hwy

    Morrisville, VT 056618652

    Phone: (802) 888-5639

    Fax: (802) 888-6040

    Type: Location

  • 1878 Mountain Rd

    Stowe, VT 056724776

    Phone: (802) 253-4853

    Fax: (802) 888-1759

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2022-01-31

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20220131001722IClinical Social WorkerVTTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 05661)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4789586942View full group profile
NameSpecialtyState
-VT
Family PracticeVT
Family Practice, Obstetrics/GynecologyVT
Family PracticeVT
Nurse PractitionerVT
Physician AssistantVT
Pediatric MedicineMA
Family PracticeVT
-VT
Nurse PractitionerVT

Reviews

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Frequently asked questions

What is the 10-digit NPI for MARISSA A MASON (LICSW)?
MARISSA A MASON (LICSW) — NPI 1023760261 — is the standard way to identify this listing.
Is MARISSA A MASON (LICSW) listed as active for patients and plans?
The listing shows MARISSA A MASON (LICSW) as active in the NPI system.
What is MARISSA A MASON (LICSW) best known for clinically?
Directory data describes MARISSA A MASON (LICSW) with Clinical Social Worker. Clinical services aligned with this taxonomy classification.
Where should I expect MARISSA A MASON (LICSW) on a map?
Expect Morrisville, Vermont as a primary anchor for MARISSA A MASON (LICSW) unless the record lists multiple sites.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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