Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MEGAN MARIE ROSARIO
NPI 1487446142
Counselor - Addiction (Substance Use Disorder) in Portland, ME

Active since May 20, 2025
400 WESTERN AVE, PORTLAND, ME 04106(207) 405-0003(207) 405-0003 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Megan Marie Rosario NPPES

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

MEGAN MARIE ROSARIO (NPI 1487446142) is an individual addiction (substance use disorder) provider in Portland, Maine, licensed in Maine (CAC9109) and active in the NPI registry since May 2025.

NPPES Registry Identity

NPI1487446142
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMEGAN MARIE ROSARIO
Location Address400 WESTERN AVEPortland, ME 04106-1704
Mailing Address400 Western AvePortland, ME 04106-1704 · (207) 405-0003 · Fax (207) 405-0003
Fax(207) 405-0003
Sole ProprietorNo
Enumeration DateMay 20, 2025
Last NPPES UpdateJuly 29, 2026
NPPES CertifiedJuly 29, 2026
NPI 1487446142 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License Licensed in ME · CAC9109
400 WESTERN AVE, Portland, ME 04106

Other Names 1

Other Name (5)Megan Marie Rosario

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Case Manager/Care Coordinator
400 WESTERN AVE
SOUTH PORTLAND, ME 04106
Counselor (Addiction (Substance Use Disorder))
400 WESTERN AVE
SOUTH PORTLAND, ME 04106
Counselor (Addiction (Substance Use Disorder))
400 WESTERN AVE
SOUTH PORTLAND, ME 04106
Counselor (Addiction (Substance Use Disorder))
400 WESTERN AVE
SOUTH PORTLAND, ME 04106
Preventive Medicine (Addiction Medicine)
400 WESTERN AVE
SOUTH PORTLAND, ME 04106
Family Medicine (Addiction Medicine)
400 WESTERN AVE
SOUTH PORTLAND, ME 04106
Registered Nurse (Addiction (Substance Use Disorder))
400 WESTERN AVE
SOUTH PORTLAND, ME 04106
Family Medicine (Addiction Medicine)
400 WESTERN AVE
SOUTH PORTLAND, ME 04106

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 Megan Rosario's NPI number?

The NPI number for Megan Rosario is 1487446142. It was assigned to this individual provider in the NPPES registry on May 20, 2025. The provider is also known as Megan Marie Rosario.

Where is Megan Rosario located?

Megan Rosario practices at 400 Western Ave, Portland, ME 04106. The listed phone number is (207) 405-0003.

What is Megan Rosario's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Megan Rosario was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.