MR. GREGORY MACEWAN – Mental Health Counselor, NPI 1134378482

MR. GREGORY MACEWAN is a healthcare provider. based in New haven, Connecticut. specializing in CLINICAL PSYCHOLOGIST. The NPI Number for MR. GREGORY MACEWAN is 1134378482

Main info

Male
15 Years Of Experience
Accepts Medicare Assignment
Name
MR. GREGORY MACEWAN
NPI
1134378482
Phone
Not provided
Address
425 GEORGE ST
Enumeration Date
11 September 2008
Last Update Date
9 June 2010

Doctor Profile

Medical School Name
OTHER
Secondary Phone
-
Graduation Year
2011 (15 years ago)
PAC ID
5395980692
Group Practice PAC ID
7012957541
Professional Enrollment ID
I20130314000053
Address ID
MA020354021FO30XXXSTXX301
Telehealth
Yes
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience39
Completeness75
Years active:17State licenses:0Digital endpointsOther names

586 CLINICAL PSYCHOLOGIST in CT

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Provider Addresses for MR. GREGORY MACEWAN

  • 425, George Street, Dwight Street Historic District, New Haven, New Haven County, Connecticut, 06511, United States

    NEW HAVEN, CT 065115410

    Phone:

    Mailing address matches the actual address.

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: 2013-03-14

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
I20130314000053IClinical PsychologistMATBD

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 06511)

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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: 7012957541View full group profile
NameSpecialtyState
Clinical Social WorkerMA
Clinical PsychologistMA
-MA
Marriage And Family TherapistMA
-MA
-MA
Clinical PsychologistMA
Mental Health CounselorMA
-MA
Clinical Social WorkerMA

Reviews

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Frequently asked questions

How do payers reference MR. GREGORY MACEWAN?
For MR. GREGORY MACEWAN, use NPI 1134378482 as the unique 10-digit identifier.
Is MR. GREGORY MACEWAN still an active registrant?
MR. GREGORY MACEWAN carries an active NPI according to the public dataset.
What expertise is attributed to MR. GREGORY MACEWAN?
MR. GREGORY MACEWAN's specialty line reads Mental Health Counselor. Clinical services aligned with this taxonomy classification.
What practice footprint exists for MR. GREGORY MACEWAN?
Travel planning: use New Haven, Connecticut as the reference point for MR. GREGORY MACEWAN, then confirm.
Can I trust this NPI listing for MR. GREGORY MACEWAN?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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