KATHERINE ALLEN, DPT — NPI 1841864360 (Licensed & Credentialed Respiratory, Developmental, Rehabilitative & Restorative Service Providers — Physical Therapist, Orthopedic in DARIEN, CT)

CMS-1500 Box 24J / 33a • NPI

1841864360

Type 1 Individual Rendering/Ordering

HIPAA NUCC Taxonomy • CMS Code

2251X0800X (CMS 65)

Licensed & Credentialed Respiratory, Developmental, Rehabilitative & Restorative Service Providers — Physical Therapist, Orthopedic

Box 32 Service Location & ZIP+4

19 OLD KINGS HWY S STE 120, DARIEN, CT, 06820-4532

✓ 9-Digit EDI 837 ZIP+4 (06820-4532)

Practice Phone & Referral Fax

(203) 621-0050

Direct NPPES Verification Line

✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1841864360 (KATHERINE ALLEN, DPT) 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	`1841864360` (NPI-1 Individual Practitioner)
Provider / Legal Name	KATHERINE ALLEN, DPT
Plain-English Specialty	Licensed & Credentialed Respiratory, Developmental, Rehabilitative & Restorative Service Providers — Physical Therapist, Orthopedic NUCC Code: `2251X0800X` (Physical Therapist, Orthopedic)
Certifying / Licensing Body	State Medical / Healthcare Licensing Board & National Specialty Board
Practice Location Address	19 OLD KINGS HWY S STE 120, DARIEN, CT, 06820-4532
Practice Telephone / Fax	Tel: (203) 621-0050
Administrative Mailing Address	4 HERITAGE DR, NEW MILFORD, CT, 06776-2674
Enumeration & Last Sync	Enumerated: 2021-05-19 \| CMS Record Updated: 2021-05-19

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

19 OLD KINGS HWY S STE 120, DARIEN, CT, 06820-4532

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Plain-English Taxonomy & CMS Crosswalk (2251X0800X)

What Does Taxonomy Code 2251X0800X Mean?

In the HIPAA National Uniform Claim Committee (NUCC) classification, code 2251X0800X translates to:
"Licensed & Credentialed Respiratory, Developmental, Rehabilitative & Restorative Service Providers — Physical Therapist, Orthopedic"

CMS-1500 Medicare Specialty Crosswalk: CMS Code 65 (Physical Therapist in Private Practice)
Certifying / Accrediting Authority: State Medical / Healthcare Licensing Board & National Specialty Board
Clinical Scope: Consult a verified Physical Therapist, Orthopedic for specialized diagnostic evaluation, treatment planning, and continuity of care.

Specialty Clinical Procedures & Therapeutic Classes

Standard Scope of Care (KATHERINE ALLEN, DPT)

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
`2251X0800X` — Physical Therapist, Orthopedic Plain English: Licensed & Credentialed Respiratory, Developmental, Rehabilitative & Restorative Service Providers — Physical Therapist, Orthopedic	State: N/A \| License: `Verified` \| Primary: Yes (Primary)

Medical Billing, RCM & Hospital Credentialing Teams:

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KATHERINE ALLEN, DPT (NPI #1841864360)