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DR PEGGY MUSTELIER PA
NPI 1538611157
Psychologist - Clinical in Miami, FL

Active since October 31, 2016
8370 W FLAGLER ST, SUITE 232, MIAMI, FL 33144(305) 551-9669(305) 551-5891 Get Directions Write a Review

NPPES record last updated: October 31, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr Peggy Mustelier Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR PEGGY MUSTELIER PA (NPI 1538611157) is a healthcare organization registered as a clinical in Miami, Florida and active in the NPI registry since October 2016. The organization lists Margarita Maria Mustelier, President, as its authorized official.

NPPES Registry Identity

NPI1538611157
Entity TypeOrganization
Primary Taxonomy103TC0700X
Legal Business NameDR PEGGY MUSTELIER PA
Location Address8370 W FLAGLER ST, SUITE 232Miami, FL 33144-2094
Mailing Address8370 W Flagler St, Suite 232Miami, FL 33144-2094 · (305) 551-9669 · Fax (305) 551-5891
Phone(305) 551-9669
Fax(305) 551-5891
Organization SubpartNo
Authorized OfficialMargarita Maria MustelierPresident · (305) 551-9669
Enumeration DateOctober 31, 2016
✔ NPI 1538611157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
8370 W FLAGLER ST, Miami, FL 33144
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr Peggy Mustelier Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Dr Peggy Mustelier PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Margarita Mustelier, PSYD
Clinical Psychologist
NPI 1336458892
8370 W FLAGLER ST 232
Miami, FL 33144
(305) 551-9669
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dr Peggy Mustelier PA's NPI number?

The NPI number for Dr Peggy Mustelier PA is 1538611157. It was assigned to this organization in the NPPES registry on October 31, 2016.

Where is Dr Peggy Mustelier PA located?

Dr Peggy Mustelier PA is located at 8370 W Flagler St Suite 232, Miami, FL 33144. The listed phone number is (305) 551-9669.

What is Dr Peggy Mustelier PA's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Dr Peggy Mustelier PA enrolled in Medicare?

Yes. Dr Peggy Mustelier PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dr Peggy Mustelier PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Dr Peggy Mustelier PA. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Dr Peggy Mustelier PA was last updated on October 31, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.