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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.

HARBOR WITHIN LLC
NPI 1720947716
Psychiatry & Neurology - Psychiatry in Easton, PA

Active since January 16, 2026
400 S GREENWOOD AVE FL 3, STE 301, EASTON, PA 18045(484) 286-5717(484) 328-6395 Get Directions Write a Review

NPPES record last updated: September 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 13, 2026, Jan 19, 2026, Jan 16, 2026 (3 updates tracked since 2026).

About Harbor Within Llc NPPES

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

HARBOR WITHIN LLC (NPI 1720947716), doing business as Harbor Within Psychiatric Services, is a healthcare organization registered as a psychiatry in Easton, Pennsylvania and active in the NPI registry since January 2026. The organization lists Adrienne Kaiser, Pmhnp, as its authorized official.

NPPES Registry Identity

NPI1720947716
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameHARBOR WITHIN LLC
Location Address400 S GREENWOOD AVE FL 3, STE 301Easton, PA 18045-3776
Mailing Address400 S Greenwood Ave Fl 3, Ste 301Easton, PA 18045-3776 · (484) 286-5717 · Fax (484) 328-6395
Phone(484) 286-5717
Fax(484) 328-6395
Organization SubpartNo
Authorized OfficialAdrienne KaiserPmhnp · (484) 286-5717
Enumeration DateJanuary 16, 2026
Last NPPES UpdateSeptember 13, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 13, 2026
✔ NPI 1720947716 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
400 S GREENWOOD AVE FL 3, Easton, PA 18045
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Other Names 1

Doing Business AsHarbor Within Psychiatric Services

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Harbor Within Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Harbor Within LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Adrienne Kaiser
Nurse Practitioner
NPI 1669331682
400 S GREENWOOD AVE FL 3
Easton, PA 18045
(484) 286-5717
✔ PECOS✔ Accepts MedicareSame address

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

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 Harbor Within LLC's NPI number?

The NPI number for Harbor Within LLC is 1720947716. It was assigned to this organization in the NPPES registry on January 16, 2026. The provider is doing business as Harbor Within Psychiatric Services.

Where is Harbor Within LLC located?

Harbor Within LLC is located at 400 S Greenwood Ave Fl 3 Ste 301, Easton, PA 18045. The listed phone number is (484) 286-5717.

What is Harbor Within LLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Harbor Within LLC enrolled in Medicare?

Yes. Harbor Within LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Harbor Within LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Harbor Within LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Harbor Within LLC was last updated on September 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 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.