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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

OLIVIA M HAMLIN
NPI 1174420491
Counselor - Mental Health in Medford, MA

Active since October 21, 2026
200 BOSTON AVE STE 1000, MEDFORD, MA 02155(781) 847-6379 Get Directions Write a Review

NPPES record added: October 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Olivia M Hamlin NPPES

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

OLIVIA M HAMLIN (NPI 1174420491) is an individual mental health provider in Medford, Massachusetts, licensed in Massachusetts (LMHC10004022) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1174420491
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameOLIVIA M HAMLIN
Location Address200 BOSTON AVE STE 1000Medford, MA 02155-4258
Mailing Address57r Cherry St # 2Somerville, MA 02144-3320 · (315) 412-3216
Phone(781) 847-6379
Sole ProprietorNo
Enumeration DateOctober 21, 2026
NPPES CertifiedOctober 21, 2026
✔ NPI 1174420491 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in MA · LMHC10004022
200 BOSTON AVE STE 1000, Medford, MA 02155
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Other Providers at the Same Location NPPES 5

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

BRIAN KIRK
Social Worker (Clinical)
200 BOSTON AVE STE 1000
MEDFORD, MA 02155
Middlesex County (704) 696-3142
INGRID PINTO
Occupational Therapist (Mental Health)
200 BOSTON AVE STE 1000
MEDFORD, MA 02155
Middlesex County (781) 847-6379
CLAIRE BORECKI
Social Worker
200 BOSTON AVE STE 1000
MEDFORD, MA 02155
Middlesex County (781) 847-6379
SARA E LAZAR LCSW
Social Worker (Clinical)
200 BOSTON AVE STE 1000
MEDFORD, MA 02155
Middlesex County (781) 847-6379
SARAH MICHELLE SILVERMAN
Counselor (Mental Health)
200 BOSTON AVE STE 1000
MEDFORD, MA 02155
Middlesex County (178) 184-7637

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 Olivia Hamlin's NPI number?

The NPI number for Olivia Hamlin is 1174420491. It was assigned to this individual provider in the NPPES registry on October 21, 2026.

Where is Olivia Hamlin located?

Olivia Hamlin practices at 200 Boston Ave Ste 1000, Medford, MA 02155. The listed phone number is (781) 847-6379.

What is Olivia Hamlin's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Olivia Hamlin was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.