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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. PEGGY LYNN HEFFNER LSW
NPI 1437140654
Social Worker in Fredericktown, PA

Active since November 04, 2005
1070 OLD NATIONAL PIKE, FREDERICKTOWN, PA 15333(724) 632-6801 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mrs. Peggy Lynn Heffner Lsw NPPES

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

MRS. PEGGY LYNN HEFFNER LSW (NPI 1437140654) is an individual social worker in Fredericktown, Pennsylvania, licensed in Pennsylvania (SW009661L) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1437140654
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMRS. PEGGY LYNN HEFFNERCredential: LSW
Location Address1070 OLD NATIONAL PIKEFredericktown, PA 15333-2114
Mailing Address1070 Old National PikeFredericktown, PA 15333-2114 · (724) 632-6801
Phone(724) 632-6801
Sole ProprietorNo
Enumeration DateNovember 4, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1437140654 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in PA · SW009661L
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
1070 OLD NATIONAL PIKE, Fredericktown, PA 15333
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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.

ALEXANDRIA MARIE BAKOS CRNP
Nurse Practitioner
1070 OLD NATIONAL PIKE
FREDERICKTOWN, PA 15333
Washington County (724) 632-6801
DR. YONG DAE CHO M.D.
Family Medicine
1070 OLD NATIONAL PIKE
FREDERICKTOWN, PA 15333
Washington County (724) 632-6801
MRS. LUCARRIA POPIELARCHECK L.P.N A.C.M.
Specialist
1070 OLD NATIONAL PIKE
FREDERICKTOWN, PA 15333
Washington County (724) 632-6801
CENTERVILLE CLINICS, INC PEER SUPPORT
Specialist/Technologist, Other
1070 OLD NATIONAL PIKE
FREDERICKTOWN, PA 15333
Washington County (724) 632-6801
MISS VICKI L MURRAY
Specialist/Technologist, Other
1070 OLD NATIONAL PIKE
FREDERICKTOWN, PA 15333
Washington County (724) 632-6801
SHELBY DUKE
Counselor
1070 OLD NATIONAL PIKE
FREDERICKTOWN, PA 15333
Washington County (724) 632-6801
MRS. CECILIA L KNUTSEN
Specialist/Technologist, Other
1070 OLD NATIONAL PIKE
FREDERICKTOWN, PA 15333
Washington County (724) 632-6801
JAMES WHISNER
Social Worker (Clinical)
1070 OLD NATIONAL PIKE
FREDERICKTOWN, PA 15333
Washington County (724) 632-6801

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 Peggy Heffner's NPI number?

The NPI number for Peggy Heffner is 1437140654. It was assigned to this individual provider in the NPPES registry on November 4, 2005.

Where is Peggy Heffner located?

Peggy Heffner practices at 1070 Old National Pike, Fredericktown, PA 15333. The listed phone number is (724) 632-6801.

What is Peggy Heffner's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Peggy Heffner was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.