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MS. ROSEMARY HARTNETT LCSW
NPI 1144318205
Counselor in Exton, PA

Active since October 11, 2006PECOS Enrolled
47 MARCHWOOD RD, SUITE 1-C, EXTON, PA 19341(610) 280-3959(610) 280-9776 Get Directions Write a Review

NPPES record last updated: August 31, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Rosemary Hartnett Lcsw NPPES

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

MS. ROSEMARY HARTNETT LCSW (NPI 1144318205) is an individual counselor in Exton, Pennsylvania, licensed in Pennsylvania (CW015116) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144318205
Entity TypeIndividualFemale
Primary Taxonomy101Y00000X
Provider Legal NameMS. ROSEMARY HARTNETTCredential: LCSW
Location Address47 MARCHWOOD RD, SUITE 1-CExton, PA 19341-1835
Mailing Address47 Marchwood Rd, Suite 1-cExton, PA 19341-1835 · (610) 280-3959 · Fax (610) 280-9776
Phone(610) 280-3959
Fax(610) 280-9776
Sole ProprietorNo
Enumeration DateOctober 11, 2006
Last NPPES UpdateAugust 31, 2009
✔ NPI 1144318205 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
License✔ Licensed in PA · CW015116
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
47 MARCHWOOD RD, Exton, PA 19341
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Rosemary Hartnett Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Rosemary Hartnett reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rosemary T. Hartnett, Inc.
5.8 mi
Clinical
1450 E BOOT RD, SUITE 500E
West Chester, PA 19380
  • Reassigned Medicare billing, Pennsylvania enrollment
NPI 1538412051 (484) 947-5068

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
240 services18 patients

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. SARAH M. CANFIELD
Counselor
47 MARCHWOOD RD, SUITE 1-C
EXTON, PA 19341
Chester County (610) 280-3959
CREATIVE COUNSELING AND WELLNESS LLC
Community/Behavioral Health
47 MARCHWOOD RD, SUITE 2A-8
EXTON, PA 19341
Chester County (484) 571-8919
A&R COUNSELING SERVICES LLC
Counselor (Professional)
47 MARCHWOOD RD, SUITE 2A-5
EXTON, PA 19341
Chester County (610) 314-6530
DR. BRIGETTE A. ERWIN PH.D.
Psychologist
47 MARCHWOOD RD, SUITE 2H
EXTON, PA 19341
Chester County (484) 947-8820
CAROL A PUSEY LPC CADC CCDP-D
Counselor (Professional)
47 MARCHWOOD RD, SUITE 2A-8
EXTON, PA 19341
Chester County (484) 744-1005
KH SENIOR CARE LLC
In Home Supportive Care
47 MARCHWOOD RD, SUITE 1-C
EXTON, PA 19341
Chester County (484) 879-6575
DR. MARY ANN KOENIG PSY.D.
Psychologist (Clinical)
47 MARCHWOOD RD
EXTON, PA 19341
Chester County (610) 524-9060
DR. STEVEN SITKOFF O.D.
Optometrist
47 MARCHWOOD RD, SUITE 1-F
EXTON, PA 19341
Chester County (610) 363-2666

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 Rosemary Hartnett's NPI number?

The NPI number for Rosemary Hartnett is 1144318205. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Where is Rosemary Hartnett located?

Rosemary Hartnett practices at 47 Marchwood Rd Suite 1-C, Exton, PA 19341. The listed phone number is (610) 280-3959.

What is Rosemary Hartnett's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Is Rosemary Hartnett enrolled in Medicare?

Yes. Rosemary Hartnett is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Rosemary Hartnett's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rosemary Hartnett reassigns Medicare benefits to Rosemary T. Hartnett, Inc. (West Chester, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rosemary Hartnett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Rosemary Hartnett was last updated on August 31, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.