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MICHAEL EDWARD O'NEILL
NPI 1912237520
Counselor - Mental Health in Lexington, MA

Active since January 04, 2010
1040 WALTHAM ST, LEXINGTON, MA 02421(781) 761-5135(781) 863-7241 Get Directions Write a Review

NPPES record last updated: January 4, 2010. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Michael Edward O'neill NPPES

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

MICHAEL EDWARD O'NEILL (NPI 1912237520) is an individual mental health provider in Lexington, Massachusetts and active in the NPI registry since January 2010.

NPPES Registry Identity

NPI1912237520
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMICHAEL EDWARD O'NEILL
Location Address1040 WALTHAM STLexington, MA 02421-8033
Mailing Address1040 Waltham StLexington, MA 02421-8033 · (781) 761-5135 · Fax (781) 863-7241
Phone(781) 761-5135
Fax(781) 863-7241
Sole ProprietorNo
Enumeration DateJanuary 4, 2010
✔ NPI 1912237520 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
1040 WALTHAM ST, Lexington, MA 02421
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Other Identifiers 8

Medicaid1303287MA
OtherM18633MA · Bcbs
Other042611055MA · Tax Id
Other1303287MA · Mbhp
Other0000023532MA · Bmc
Other1004745MA · Nhp
Other99618201MA · Network Health
Medicare PINY10074MA

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.

DENISE MOYO MSW
Counselor (Mental Health)
1040 WALTHAM ST
LEXINGTON, MA 02421
Middlesex County (781) 761-5165
MR. KYLE COMBS
Counselor (Mental Health)
1040 WALTHAM ST
LEXINGTON, MA 02421
Middlesex County (774) 262-2868
MISS FRANCESCA CAROLINA PERSSON
Counselor (Mental Health)
1040 WALTHAM ST
LEXINGTON, MA 02421
Middlesex County (781) 761-5057
MONIQUE MITCHELL
Counselor (Mental Health)
1040 WALTHAM ST
LEXINGTON, MA 02421
Middlesex County (781) 761-5165
ASHLEY POIRIER
Counselor (Mental Health)
1040 WALTHAM ST
LEXINGTON, MA 02421
Middlesex County (781) 761-5077
DIANA AGATHA NANTONGO MA, LMHC
Counselor (Mental Health)
1040 WALTHAM ST
LEXINGTON, MA 02421
Middlesex County (781) 761-5077
MRS. CAROLYN ANN CLAIBORNE
Registered Nurse (Psychiatric/Mental Health)
1040 WALTHAM ST
LEXINGTON, MA 02421
Middlesex County (781) 862-3600
ASHLEY SMITH RN
Registered Nurse (Psychiatric/Mental Health)
1040 WALTHAM ST
LEXINGTON, MA 02421
Middlesex County (781) 761-5121

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 Michael O'neill's NPI number?

The NPI number for Michael O'neill is 1912237520. It was assigned to this individual provider in the NPPES registry on January 4, 2010.

Where is Michael O'neill located?

Michael O'neill practices at 1040 Waltham St, Lexington, MA 02421. The listed phone number is (781) 761-5135.

What is Michael O'neill'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 Michael O'neill was last updated on January 4, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.