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MISS MARGARET KATHERINE PROULX LMHC
NPI 1447829866
Counselor - Mental Health in Wilmington, DE

Active since June 21, 2021PECOS Enrolled
3200 KIRKWOOD HWY # 1163, WILMINGTON, DE 19808(352) 322-5478 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 5, 2026, Jun 7, 2023, Jun 21, 2021 (3 updates tracked since 2021).

About Miss Margaret Katherine Proulx Lmhc NPPES

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

MISS MARGARET KATHERINE PROULX LMHC (NPI 1447829866) is an individual mental health provider in Wilmington, Delaware, licensed in New York (012868) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1447829866
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMISS MARGARET KATHERINE PROULXCredential: LMHC
Location Address3200 KIRKWOOD HWY # 1163Wilmington, DE 19808-6153
Mailing Address31110 Squaw Creek TrlBallston Spa, NY 12020-2725 · (920) 579-2304
Phone(352) 322-5478
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateJune 21, 2021
Last NPPES UpdateMay 5, 20263 updates tracked since enumeration
NPPES CertifiedMay 5, 2026
✔ NPI 1447829866 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Licenses✔ Licensed in NY · 012868✔ Licensed in FL · MH22870✔ Licensed in CT · 8893✔ Licensed in DE · PC-0011907✔ Licensed in MA · LMHC10005219
3200 KIRKWOOD HWY # 1163, Wilmington, DE 19808
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Other Identifiers 1

Medicaid07688737NY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Highmark Blue Cross Blue Shield Delaware and more.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)

Miss Margaret Katherine Proulx Lmhc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9234578980
PECOS Enrollment IDI20260616003981
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 Margaret Proulx's NPI number?

The NPI number for Margaret Proulx is 1447829866. It was assigned to this individual provider in the NPPES registry on June 21, 2021.

Where is Margaret Proulx located?

Margaret Proulx practices at 3200 Kirkwood Hwy # 1163, Wilmington, DE 19808. The listed phone number is (352) 322-5478.

What is Margaret Proulx's specialty?

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

Is Margaret Proulx enrolled in Medicare?

Yes. Margaret Proulx is registered in the Medicare PECOS enrollment system.

What insurance does Margaret Proulx accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Highmark Blue Cross Blue Shield Delaware, Providence Health Plan and UnitedHealthcare list Margaret Proulx 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 Margaret Proulx was last updated on May 5, 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.