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MR. JOHN JOSEPH O'BRIEN
NPI 1881934891
Counselor - Addiction (Substance Use Disorder) in Holyoke, MA

Active since February 28, 2013
1233 MAIN ST, HOLYOKE, MA 01040(413) 493-2734(413) 493-2783 Get Directions Write a Review

NPPES record last updated: February 28, 2013. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Mr. John Joseph O'brien NPPES

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

MR. JOHN JOSEPH O'BRIEN (NPI 1881934891) is an individual addiction (substance use disorder) provider in Holyoke, Massachusetts and active in the NPI registry since February 2013.

NPPES Registry Identity

NPI1881934891
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMR. JOHN JOSEPH O'BRIEN
Location Address1233 MAIN STHolyoke, MA 01040-5381
Mailing AddressPo Box 426Lenox, MA 01240-0426 · (413) 344-6987
Phone(413) 493-2734
Fax(413) 493-2783
Sole ProprietorNo
Enumeration DateFebruary 28, 2013
✔ NPI 1881934891 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
1233 MAIN ST, Holyoke, MA 01040
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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 SANCHEZ MSW
Counselor (Addiction (Substance Use Disorder))
1233 MAIN ST
HOLYOKE, MA 01040
Hampden County (413) 493-2736
MS. STACEY MICHELLE HUEY P.A.-C
Physician Assistant
1233 MAIN ST
HOLYOKE, MA 01040
Hampden County (413) 701-2600
JOANNE STODDARD
Licensed Practical Nurse
1233 MAIN ST
HOLYOKE, MA 01040
Hampden County (413) 701-2600
ANGELA FRENCH
Counselor (Mental Health)
1233 MAIN ST
HOLYOKE, MA 01040
Hampden County (413) 539-2468
CHARMIE FAITH ALAGOS FRYKMAN
Nurse Practitioner (Psychiatric/Mental Health)
1233 MAIN ST
HOLYOKE, MA 01040
Hampden County (413) 701-2600
HALIM CRUZ
Counselor (Mental Health)
1233 MAIN ST
HOLYOKE, MA 01040
Hampden County (413) 539-2419
MELANIE MCNEILL
Counselor (Mental Health)
1233 MAIN ST
HOLYOKE, MA 01040
Hampden County (413) 539-2468
LYDIA BELLO-SANTIAGO RN
Registered Nurse
1233 MAIN ST
HOLYOKE, MA 01040
Hampden County (413) 701-2600

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 John O'brien's NPI number?

The NPI number for John O'brien is 1881934891. It was assigned to this individual provider in the NPPES registry on February 28, 2013.

Where is John O'brien located?

John O'brien practices at 1233 Main St, Holyoke, MA 01040. The listed phone number is (413) 493-2734.

What is John O'brien'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 John O'brien was last updated on February 28, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.