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MR. MARK JOSEPH THALHEIMER MSW
NPI 1245381508
Counselor - Mental Health in Wilmington, DE

Active since January 15, 2007
500 W 10TH ST, WILMINGTON, DE 19801(302) 984-3380(302) 984-3324 Get Directions Write a Review

NPPES record last updated: January 19, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Mark Joseph Thalheimer Msw NPPES

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

MR. MARK JOSEPH THALHEIMER MSW (NPI 1245381508) is an individual mental health provider in Wilmington, Delaware, licensed in Delaware (Q1-0000617) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1245381508
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMR. MARK JOSEPH THALHEIMERCredential: MSW
Location Address500 W 10TH STWilmington, DE 19801-1422
Mailing Address500 W 10th StWilmington, DE 19801-1422 · (302) 984-3380 · Fax (302) 984-3324
Phone(302) 984-3380
Fax(302) 984-3324
Sole ProprietorNo
Enumeration DateJanuary 15, 2007
Last NPPES UpdateJanuary 19, 2012
✔ NPI 1245381508 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
License✔ Licensed in DE · Q1-0000617
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License Q1-0000617 (DE)
500 W 10TH ST, Wilmington, DE 19801
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Other Identifiers 2

Medicare PIN617330DE
Medicaid1689733792DE

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.

MS. LISA MAE SHAFFER LPCMH
Counselor (Mental Health)
500 W 10TH ST
WILMINGTON, DE 19801
New Castle County (866) 477-5345
OHANA AQUARIAN FOLEY CADC
Counselor (Addiction (Substance Use Disorder))
500 W 10TH ST
WILMINGTON, DE 19801
New Castle County (302) 230-9154
MR. JOSE QUINONES CADC
Counselor (Addiction (Substance Use Disorder))
500 W 10TH ST
WILMINGTON, DE 19801
New Castle County (302) 883-1928
MRS. KIMBERLY ANN BENIQUEZ MS, ICADC
Counselor (Addiction (Substance Use Disorder))
500 W 10TH ST
WILMINGTON, DE 19801
New Castle County (302) 377-5483
TINA M. CUBETA APN, BC
Nurse Practitioner
500 W 10TH ST
WILMINGTON, DE 19801
New Castle County (302) 230-9154
MISS SUSAN P BARKAUSKIE APRN
Nurse Practitioner (Psychiatric/Mental Health)
500 W 10TH ST
WILMINGTON, DE 19801
New Castle County (302) 232-5486
JILL WALTERS
Counselor (Mental Health)
500 W 10TH ST
WILMINGTON, DE 19801
New Castle County (302) 230-9157
MR. DAVID BRUMBAUGH CADC
Counselor (Addiction (Substance Use Disorder))
500 W 10TH ST
WILMINGTON, DE 19801
New Castle County (302) 984-3380

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 Mark Thalheimer's NPI number?

The NPI number for Mark Thalheimer is 1245381508. It was assigned to this individual provider in the NPPES registry on January 15, 2007.

Where is Mark Thalheimer located?

Mark Thalheimer practices at 500 W 10th St, Wilmington, DE 19801. The listed phone number is (302) 984-3380.

What is Mark Thalheimer'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 Mark Thalheimer was last updated on January 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.