MARGARET PAPANASTASSIOU (N.P.) – Family Nurse Practitioner, NPI 1437361086

Family Nurse Practitioner

MARGARET PAPANASTASSIOU (N.P.) is a healthcare provider. based in Leominster, Massachusetts. specializing in Family Nurse Practitioner. They hold the professional credentials N.P.. They hold a License No. 149680 (MA). The NPI Number for MARGARET PAPANASTASSIOU (N.P.) is 1437361086

Main info

Female

Name

MARGARET PAPANASTASSIOU (N.P.)

NPI

1437361086

Phone

(978) 537-4805

Address

79 ERDMAN WAY STE 101

Enumeration Date

4 May 2007

Last Update Date

12 May 2020

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience62

Completeness75

Years active:19State licenses:1Digital endpointsOther names

Provider Addresses for MARGARET PAPANASTASSIOU (N.P.)

79 ERDMAN WAY STE 101
LEOMINSTER, MA 014531805
Phone: (978) 537-4805
Fax: (987) 537-2185
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)

CMS reports 3 Open Payments records for all available years, with a total value of $56.

Total Amount is formed as General ($56) + Research ($0) + Ownership ($0) = $56.

Last reported payment date: 2024-04-17 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($35).

Total Amount

$56

General + Research + Ownership

Payments

Total payment records

General Amount

$56

General payments

Research Amount

Research funding

Ownership Amount

Ownership interests

Ownership Count

Ownership records

Last Payment Date

2024-04-17

Latest reported date

Top Companies

Largest payers in this snapshot

Company	Amount
GlaxoSmithKline, LLC.	$35
LEO Pharma Inc.	$21

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

No Medicare enrollment or revalidation data available for this provider in our database.

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 01453)

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Reviews

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Frequently asked questions

Does MARGARET PAPANASTASSIOU (N.P.) have a public NPI I can cite?

Public records show MARGARET PAPANASTASSIOU (N.P.) under NPI 1437361086.

Does the public listing show MARGARET PAPANASTASSIOU (N.P.) as active?

MARGARET PAPANASTASSIOU (N.P.)'s NPI record reflects an active status in NPPES.

What does the directory say MARGARET PAPANASTASSIOU (N.P.) does?

Insurance directories may phrase it differently, but here MARGARET PAPANASTASSIOU (N.P.) maps to Family Nurse Practitioner. Clinical services aligned with this taxonomy classification.

Which community is linked to MARGARET PAPANASTASSIOU (N.P.)?

MARGARET PAPANASTASSIOU (N.P.) shows a connection to Leominster, Massachusetts in registry-derived data.

Who maintains MARGARET PAPANASTASSIOU (N.P.)'s record?

Providers certify NPPES data; CMS hosts the public file you are viewing.