Margaret Katherine Proulx, LMHC
Mental Health Counselor · Wilmington, DE
Margaret Katherine Proulx, LMHC is a mental health counselor with a practice address in Wilmington, Delaware, and NPI 1447829866, issued on Jun 21, 2021. Check the license (Delaware PC-0011907, as entered in NPPES) with the Delaware board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Margaret Katherine Proulx
- Credential
- LMHC
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- License numbers
- PC-0011907 DE
012868 NY
8893 CT
MH22870 FL
LMHC10005219 MA
Self-reported in NPPES; status is on the state search - Practice location
- 3200 Kirkwood Hwy # 1163, Wilmington, DE 19808
- Phone
- (352) 322-5478
- Enumerated
- Jun 21, 2021
- Record last updated
- May 5, 2026
- Medicaid ID
- 07688737 NY
- Medicare enrollment
- Enrolled (PECOS I20250913000408); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 793 in Delaware → Look up another NPI →
Verify Margaret Katherine Proulx in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license PC-0011907Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Margaret Katherine Proulx among 793 mental health counselor records in Delaware
Margaret Katherine Proulx, LMHC is one of 793 mental health counselor records with a practice address in Delaware. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2021, is newer than 58% of them.
- NPI issued2021 · 58% of these records are older, 35% newer
- In a Medicare fileNo · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2020 · median 2015 among the 132 with a school on file
- Record last updated2026 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
256 mental health counselor records list a practice address in Wilmington
They are 256 of the 6,291 NPPES records with a practice address in Wilmington, and 793 mental health counselor records in Delaware. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 793 in Delaware → Every provider in Wilmington → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Meghan Bell, LPCWilmington, DE 198081144543471
- Dafne Carnright, LPCMHWilmington, DE 198081245387323
- Dennis Carradin, MED., LPCMH, BCETSWilmington, DE 198081952515454
- Heather Catalino, LPCMHWilmington, DE 198081770829251
- Anita Delaney, LPCMHWilmington, DE 198081720311301
- Sherry Humphrey-Jones, PH.DWilmington, DE 198081427125608
- Joanne KasseesWilmington, DE 198081457490633
- John Parker, MSWilmington, DE 198081962615252
Common questions
What is Margaret Katherine Proulx, LMHC's NPI number?
Margaret Katherine Proulx, LMHC's National Provider Identifier (NPI) is 1447829866, issued on Jun 21, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Katherine Proulx, LMHC located?
The NPPES record lists a practice address at 3200 Kirkwood Hwy # 1163, Wilmington, DE, 19808. Phone: (352) 322-5478. Providers update this record themselves, so call before visiting.
How can I verify Margaret Katherine Proulx, LMHC's license?
NPPES lists Delaware license number PC-0011907, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.