GREGORY CHARLES ZELTT – Mental Health Counselor, NPI 1225653116

GREGORY CHARLES ZELTT is a healthcare provider. based in Braintree, Massachusetts. specializing in MENTAL HEALTH COUNSELOR. The NPI Number for GREGORY CHARLES ZELTT is 1225653116

Main info

Male
6 Years Of Experience
Accepts Medicare Assignment
Name
GREGORY CHARLES ZELTT
NPI
1225653116
Phone
(617) 639-4671
Address
400 WASHINGTON ST STE 106
Enumeration Date
16 June 2020
Last Update Date
16 June 2020

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6175693189
Graduation Year
2020 (6 years ago)
PAC ID
9133562226
Group Practice PAC ID
9234037516
Professional Enrollment ID
I20240206001013
Address ID
MA021282116EA14XXXSTXX300
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience25
Completeness75
Years active:5State licenses:0Digital endpointsOther names

2,116 MENTAL HEALTH COUNSELOR in MA

Provider Addresses for GREGORY CHARLES ZELTT

  • 400 WASHINGTON ST STE 106

    BRAINTREE, MA 021844764

    Phone: (617) 639-4671

    Fax: (781) 817-6745

    Type: Mailing

  • 400 WASHINGTON ST

    BRAINTREE, MA 021844729

    Phone: (617) 639-4671

    Fax: (781) 817-6745

    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: 2024-02-06

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
I20240206001013IMental Health CounselorMATBD

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 02184)

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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: 9234037516View full group profile
NameSpecialtyState
Clinical Social WorkerMA
Clinical Social WorkerMA
P S Y C H I A T R YMA
Clinical Social WorkerMA
Nurse PractitionerMA
Clinical Social WorkerMA
P S Y C H I A T R YMA
Clinical Social WorkerMA
-MA
Clinical Social WorkerMA

Reviews

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Frequently asked questions

How do payers reference GREGORY CHARLES ZELTT?
For GREGORY CHARLES ZELTT, use NPI 1225653116 as the unique 10-digit identifier.
Is GREGORY CHARLES ZELTT still an active registrant?
GREGORY CHARLES ZELTT carries an active NPI according to the public dataset.
What expertise is attributed to GREGORY CHARLES ZELTT?
GREGORY CHARLES ZELTT's specialty line reads Mental Health Counselor. Clinical services aligned with this taxonomy classification.
What practice footprint exists for GREGORY CHARLES ZELTT?
Travel planning: use Braintree, Massachusetts as the reference point for GREGORY CHARLES ZELTT, then confirm.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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