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MARSHALL CROSS SORNBORGER
NPI 1467384453
Counselor - Mental Health in Hartford, CT

Active since June 02, 2026
682 PROSPECT AVE, HARTFORD, CT 06105(860) 663-8131 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Marshall Cross Sornborger NPPES

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

MARSHALL CROSS SORNBORGER (NPI 1467384453) is an individual mental health provider in Hartford, Connecticut, licensed in Connecticut (9716) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1467384453
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMARSHALL CROSS SORNBORGER
Location Address682 PROSPECT AVEHartford, CT 06105-4238
Mailing Address682 Prospect AveHartford, CT 06105-4238 · (860) 663-8131
Phone(860) 663-8131
Sole ProprietorNo
Enumeration DateJune 2, 2026
NPPES CertifiedJune 2, 2026
✔ NPI 1467384453 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 CT · 9716
682 PROSPECT AVE, Hartford, CT 06105
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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.

MR. FERNANDO CLAUDIO RAUSCH LCSW
Social Worker (Clinical)
682 PROSPECT AVE
HARTFORD, CT 06105
Capitol Planning Region (860) 231-1282
CAROLINE LOEWALD FARNHAM LCSW
Social Worker (Clinical)
682 PROSPECT AVE
HARTFORD, CT 06105
Capitol Planning Region (860) 518-5352
ELIZABETH KIESCHNICK PHD
Psychologist
682 PROSPECT AVE
HARTFORD, CT 06105
Capitol Planning Region (860) 231-8900
MS. MELISSA S GATICA LCSW
Social Worker (Clinical)
682 PROSPECT AVE
HARTFORD, CT 06105
Capitol Planning Region (860) 233-2575
MRS. BARBARA E SLIM LMFT
Marriage & Family Therapist
682 PROSPECT AVE, #7
HARTFORD, CT 06105
Capitol Planning Region (860) 231-1282
DR. BARBARA LYN ROSEN PH.D.,LCSW
Social Worker (Clinical)
682 PROSPECT AVE, SECOND FLOOR
HARTFORD, CT 06105
Capitol Planning Region (860) 236-4116
MS. JANE MCMASTER VALLEE MSW, LCSW
Social Worker (Clinical)
682 PROSPECT AVE
HARTFORD, CT 06105
Capitol Planning Region (860) 231-3310
DR. MARY LOUISE AYRE M.D.
Psychiatry & Neurology (Psychiatry)
682 PROSPECT AVE
HARTFORD, CT 06105
Capitol Planning Region (860) 233-1141

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 Marshall Sornborger's NPI number?

The NPI number for Marshall Sornborger is 1467384453. It was assigned to this individual provider in the NPPES registry on June 2, 2026.

Where is Marshall Sornborger located?

Marshall Sornborger practices at 682 Prospect Ave, Hartford, CT 06105. The listed phone number is (860) 663-8131.

What is Marshall Sornborger'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 Marshall Sornborger was last updated on June 2, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.