DR. KAREN L HARDING (PSYD APRN BC) – Psychiatric/Mental Health Clinical Nurse Specialist, NPI 1558443119

DR. KAREN L HARDING (PSYD APRN BC) is a healthcare provider. based in Harvard, Massachusetts. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PSYD APRN BC. They hold a License No. 8476 (MA). The NPI Number for DR. KAREN L HARDING (PSYD APRN BC) is 1558443119

Main info

Female
Sole Proprietor
27 Years Of Experience
Accepts Medicare Assignment
Name
DR. KAREN L HARDING (PSYD APRN BC)
NPI
1558443119
Phone
(978) 456-3181
Address
PO BOX 120
Enumeration Date
20 October 2006
Last Update Date
11 September 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
-
Graduation Year
1999 (27 years ago)
PAC ID
7719930411
Professional Enrollment ID
I20070806000124
Address ID
MA014510120Ha5XXXXRDXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience61
Completeness85
Years active:19State licenses:2Digital endpointsOther names

1,694 CLINICAL PSYCHOLOGIST in MA

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Provider Addresses for DR. KAREN L HARDING (PSYD APRN BC)

  • PO BOX 120

    HARVARD, MA 014510120

    Phone: (978) 456-3181

    Fax: (978) 456-8416

    Type: Mailing

  • 5, Pond Road, Center of Town, Camp Green Eyrie, Harvard, Worcester County, Massachusetts, 01451, United States

    HARVARD, MA 014510120

    Phone: (978) 456-3181

    Fax: (978) 456-8416

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2007-08-06

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20070806000124IClinical PsychologistMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 01451)

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Reviews

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Frequently asked questions

How do I look up DR. KAREN L HARDING (PSYD APRN BC) by NPI?
Use NPI 1558443119 when you need to reference DR. KAREN L HARDING (PSYD APRN BC) in forms, claims, or directories.
Is DR. KAREN L HARDING (PSYD APRN BC)'s NPI currently valid?
The extract we use shows DR. KAREN L HARDING (PSYD APRN BC) as active.
Does DR. KAREN L HARDING (PSYD APRN BC) list a primary specialty?
If you are matching referrals, note Psychiatric/Mental Health Clinical Nurse Specialist for DR. KAREN L HARDING (PSYD APRN BC). Clinical services aligned with this taxonomy classification.
What location shows for DR. KAREN L HARDING (PSYD APRN BC)?
We surface Harvard, Massachusetts for DR. KAREN L HARDING (PSYD APRN BC) based on available NPPES addresses.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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