CATHERINE AHEARN, RN — NPI 1578360475 (Licensed & Credentialed Registered Nurse in NORTHAMPTON, MA)

CMS-1500 Box 24J / 33a • NPI

1578360475

Type 1 Individual Rendering/Ordering

HIPAA NUCC Taxonomy • CMS Code

163W00000X

Licensed & Credentialed Registered Nurse

Box 32 Service Location & ZIP+4

50 PLEASANT ST, NORTHAMPTON, MA, 01060-4127

✓ 9-Digit EDI 837 ZIP+4 (01060-4127)

Practice Phone & Referral Fax

(413) 584-6855

Fax: (413) 585-1355

✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1578360475 (CATHERINE AHEARN, RN) has 0 active federal exclusions across all 84,224 HHS OIG LEIE sanction records (Database Verified: 2026-11-11).

CMS Medicare Order & Referring PECOS Eligibility

This practitioner does not currently appear in the CMS individual Order & Referring PECOS file (may practice in pediatrics, commercial-only networks, or hospital-employed settings).

Official CMS NPPES Credential & Practice Profile

10-Digit NPI Number	`1578360475` (NPI-1 Individual Practitioner)
Provider / Legal Name	CATHERINE AHEARN, RN
Plain-English Specialty	Licensed & Credentialed Registered Nurse NUCC Code: `163W00000X` (Registered Nurse)
Certifying / Licensing Body	State Medical / Healthcare Licensing Board & National Specialty Board
Practice Location Address	50 PLEASANT ST, NORTHAMPTON, MA, 01060-4127
Practice Telephone / Fax	Tel: (413) 584-6855 \| Fax: (413) 585-1355
Administrative Mailing Address	50 PLEASANT ST, NORTHAMPTON, MA, 01060-4127
Enumeration & Last Sync	Enumerated: 2025-02-27 \| CMS Record Updated: 2025-02-27

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

50 PLEASANT ST, NORTHAMPTON, MA, 01060-4127

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Plain-English Taxonomy & CMS Crosswalk (163W00000X)

What Does Taxonomy Code 163W00000X Mean?

In the HIPAA National Uniform Claim Committee (NUCC) classification, code 163W00000X translates to:
"Licensed & Credentialed Registered Nurse"

CMS-1500 Medicare Specialty Crosswalk: Standard HIPAA X12N 837P / CMS-1500
Certifying / Accrediting Authority: State Medical / Healthcare Licensing Board & National Specialty Board
Clinical Scope: Consult a verified Registered Nurse for specialized diagnostic evaluation, treatment planning, and continuity of care.

Specialty Clinical Procedures & Therapeutic Classes

Standard Scope of Care (CATHERINE AHEARN, RN)

Typical CPT / Diagnostic Procedures:

Comprehensive Outpatient & Inpatient Clinical Evaluation (CPT 99202–99215)
Diagnostic Workup, Laboratory Ordering & Evidence-Based Care Coordination
Preventive Screening, Patient Counseling & Multidisciplinary Referral

Common Therapeutic Classes:

Evidence-Based Specialty Pharmacotherapy & Preventive Regimens (CMS Part D Standard)

All Registered NUCC Taxonomies & State Licenses

Taxonomy Code & Plain-English Description	State License & Primary Status
`163W00000X` — Registered Nurse Plain English: Licensed & Credentialed Registered Nurse	State: MA \| License: `RN10008164` \| Primary: Yes (Primary)

Medical Billing, RCM & Hospital Credentialing Teams:

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CATHERINE AHEARN, RN (NPI #1578360475)