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MRS. STEPHANIE GERRISH O'SULLIVAN BA.PY,AT
NPI 1063845188
Counselor - Mental Health in Guilford, CT

Active since August 13, 2013PECOS Enrolled
623 VILLAGE WALK, GUILFORD, CT 06437(203) 779-9414 Get Directions Write a Review

NPPES record last updated: April 15, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mrs. Stephanie Gerrish O'sullivan Ba.py,at NPPES

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

MRS. STEPHANIE GERRISH O'SULLIVAN BA.PY,AT (NPI 1063845188) is an individual mental health provider in Guilford, Connecticut and active in the NPI registry since August 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1063845188
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMRS. STEPHANIE GERRISH O'SULLIVANCredential: BA.PY,AT
Location Address623 VILLAGE WALKGuilford, CT 06437
Mailing Address623 Village WalkGuilford, CT 06437 · (203) 779-9414
Phone(203) 779-9414
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateAugust 13, 2013
Last NPPES UpdateApril 15, 2026
NPPES CertifiedApril 15, 2026
✔ NPI 1063845188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Also ListedHealth EducatorTaxonomy 174H00000X
623 VILLAGE WALK, Guilford, CT 06437
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Other Identifiers 1

Medicaid174H00000XCT

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Stephanie Gerrish O'sullivan Ba.py,at is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8921581364
PECOS Enrollment IDI20260313000576
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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 Stephanie O'sullivan's NPI number?

The NPI number for Stephanie O'sullivan is 1063845188. It was assigned to this individual provider in the NPPES registry on August 13, 2013.

Where is Stephanie O'sullivan located?

Stephanie O'sullivan practices at 623 Village Walk, Guilford, CT 06437. The listed phone number is (203) 779-9414.

What is Stephanie O'sullivan's specialty?

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

Is Stephanie O'sullivan enrolled in Medicare?

Yes. Stephanie O'sullivan is registered in the Medicare PECOS enrollment system.

What insurance does Stephanie O'sullivan accept?

Health plans from Providence Health Plan list Stephanie O'sullivan 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 Stephanie O'sullivan was last updated on April 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.