DR. MARIA BREA (M.D.) – Emergency Medicine Physician, NPI 1508809161

DR. MARIA BREA (M.D.) is a healthcare provider. based in Old greenwich, Connecticut. specializing in EMERGENCY MEDICINE. They hold the professional credentials M.D.. They hold a License No. 156899 (MA). The NPI Number for DR. MARIA BREA (M.D.) is 1508809161

Main info

Female
32 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARIA BREA (M.D.)
NPI
1508809161
Phone
(203) 344-1655
Address
28 PARK AVE
Enumeration Date
13 June 2006
Last Update Date
4 December 2024

Doctor Profile

Medical School Name
GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
2038633000
Graduation Year
1994 (32 years ago)
PAC ID
1658329917
Group Practice PAC ID
3678476710
Professional Enrollment ID
I20061013000514
Address ID
CT068304608GR5XXXXRDXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience80
Completeness75
Years active:19State licenses:3Digital endpointsOther names

839 EMERGENCY MEDICINE in CT

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Provider Addresses for DR. MARIA BREA (M.D.)

  • 28, Park Avenue, Old Greenwich, Greenwich, Western Connecticut Planning Region, Connecticut, 06870, United States

    OLD GREENWICH, CT 068701705

    Phone: (203) 344-1655

    Type: Mailing

  • 30, Shelburne Road, Stamford, Fairfield County, Connecticut, 06902, United States

    STAMFORD, CT 06904

    Phone: (203) 276-7777

    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: 2023-05-18

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

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
I20061013000514IEmergency MedicineCTTBD
I20230518002341IEmergency MedicineRITBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99285Emergency department visit with high level of medical decision making8078$0
99291Critical care, first 30-74 minutes7777$0
99284Emergency department visit with moderate level of medical decision making3535$0
View full utilization report →

Insurance plans in this area (ZIP 06870)

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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: 3678476710View full group profile
NameSpecialtyState
Cardiovascular Disease (Cardiology), Internal MedicineCT
Nuclear Medicine, Cardiovascular Disease (Cardiology), Internal MedicineNY
Emergency MedicineNY
-CT
Psychiatry, Neurology, PsychiatryCT
Emergency MedicineNY
-CT
Internal MedicineCT
-CT
-CT

Reviews

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Frequently asked questions

Can I verify DR. MARIA BREA (M.D.) with an NPI only?
You can start verification with NPI 1508809161 for DR. MARIA BREA (M.D.), then check state licensing separately.
Can I rely on DR. MARIA BREA (M.D.) being an active provider?
As of the registry snapshot, DR. MARIA BREA (M.D.) is marked active.
What is DR. MARIA BREA (M.D.)'s specialty?
The listing groups DR. MARIA BREA (M.D.) with Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
Does DR. MARIA BREA (M.D.) list a practice location?
Patients near Old Greenwich, Connecticut may find DR. MARIA BREA (M.D.) in results; validate coverage separately.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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