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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. JOHN L CRISTOFANI M.ED., LMHC
NPI 1437457751
Counselor - Mental Health in Chelmsford, MA

Active since March 10, 2011
3 SUMMER ST, CHELMSFORD, MA 01824(978) 454-3717 Get Directions Write a Review

NPPES record last updated: October 8, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

About Mr. John L Cristofani M.ed., Lmhc NPPES

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

MR. JOHN L CRISTOFANI M.ED., LMHC (NPI 1437457751) is an individual mental health provider in Chelmsford, Massachusetts, licensed in Massachusetts (LMHC1125) and active in the NPI registry since March 2011.

NPPES Registry Identity

NPI1437457751
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMR. JOHN L CRISTOFANICredential: M.ED., LMHC
Location Address3 SUMMER STChelmsford, MA 01824-3020
Mailing Address220 Rogers StLowell, MA 01852-3633 · (978) 454-3717
Phone(978) 454-3717
Sole ProprietorYes
Enumeration DateMarch 10, 2011
Last NPPES UpdateOctober 8, 2026
NPPES CertifiedOctober 8, 2026
✔ NPI 1437457751 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 · LMHC1125
3 SUMMER ST, Chelmsford, MA 01824
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Other Names 1

Other Name (5)Mr. Jack Cristofani

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and more.Insurance ›

Other Providers at the Same Location NPPES 11

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

CHRISTOPHER HAYNES
Counselor (Mental Health)
3 SUMMER ST
CHELMSFORD, MA 01824
Middlesex County (978) 547-9849
JFISHER COUNSELING PLLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
3 SUMMER ST
CHELMSFORD, MA 01824
Middlesex County (978) 408-4056
ANNA WOLEN LMHC, ATR
Counselor (Mental Health)
3 SUMMER ST
CHELMSFORD, MA 01824
Middlesex County (774) 203-4246
PERSPECTIVES CHILDREN'S THERAPY PLLC
Speech-Language Pathologist
3 SUMMER ST
CHELMSFORD, MA 01824
Middlesex County (978) 206-1518
SARAH M BARNETT MD PLLC
Clinic/Center (Medical Specialty)
3 SUMMER ST
CHELMSFORD, MA 01824
Middlesex County (978) 296-4672
MATTHEW CLARKE
Counselor (Mental Health)
3 SUMMER ST
CHELMSFORD, MA 01824
Middlesex County (978) 724-8249
METAPHOR FAMILY THERAPY PLLC
Marriage & Family Therapist
3 SUMMER ST
CHELMSFORD, MA 01824
Middlesex County (978) 618-0775
COURTNEY ZILKA SLP
Speech-Language Pathologist
3 SUMMER ST
CHELMSFORD, MA 01824
Middlesex County (978) 206-1518

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 Cristofani's NPI number?

The NPI number for John Cristofani is 1437457751. It was assigned to this individual provider in the NPPES registry on March 10, 2011. The provider is also known as Mr. Jack Cristofani.

Where is John Cristofani located?

John Cristofani practices at 3 Summer St, Chelmsford, MA 01824. The listed phone number is (978) 454-3717.

What is John Cristofani's specialty?

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

What insurance does John Cristofani accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Providence Health Plan list John Cristofani as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Cristofani was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.