MACKENZIE CALLAHAN — NPI 1366288698 (Licensed & Credentialed Behavioral Health & Social Service Providers

CMS-1500 Box 24J / 33a • NPI

1366288698

Type 1 Individual Rendering/Ordering

HIPAA NUCC Taxonomy • CMS Code

103TC0700X (CMS 62)

Licensed & Credentialed Behavioral Health & Social Service Providers — Psychologist, Clinical

Box 32 Service Location & ZIP+4

350 N MAIN ST STE 220, CHELSEA, MI, 48118-1635

✓ 9-Digit EDI 837 ZIP+4 (48118-1635)

Practice Phone & Referral Fax

(734) 433-5100

Direct NPPES Verification Line

✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1366288698 (MACKENZIE CALLAHAN) 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	`1366288698` (NPI-1 Individual Practitioner)
Provider / Legal Name	MACKENZIE CALLAHAN
Plain-English Specialty	Licensed & Credentialed Behavioral Health & Social Service Providers — Psychologist, Clinical NUCC Code: `103TC0700X` (Psychologist, Clinical)
Certifying / Licensing Body	State Medical / Healthcare Licensing Board & National Specialty Board
Practice Location Address	350 N MAIN ST STE 220, CHELSEA, MI, 48118-1635
Practice Telephone / Fax	Tel: (734) 433-5100
Administrative Mailing Address	13098 SPECKLEDWOOD DR, DEWITT, MI, 48820-8191
Enumeration & Last Sync	Enumerated: 2024-07-05 \| CMS Record Updated: 2025-09-05

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

350 N MAIN ST STE 220, CHELSEA, MI, 48118-1635

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Plain-English Taxonomy & CMS Crosswalk (103TC0700X)

What Does Taxonomy Code 103TC0700X Mean?

In the HIPAA National Uniform Claim Committee (NUCC) classification, code 103TC0700X translates to:
"Licensed & Credentialed Behavioral Health & Social Service Providers — Psychologist, Clinical"

CMS-1500 Medicare Specialty Crosswalk: CMS Code 62 (Psychologist, Clinical) • CMS Code 68 (Psychologist, Clinical)
Certifying / Accrediting Authority: State Medical / Healthcare Licensing Board & National Specialty Board
Clinical Scope: Consult a verified Psychologist, Clinical for specialized diagnostic evaluation, treatment planning, and continuity of care.

Specialty Clinical Procedures & Therapeutic Classes

Standard Scope of Care (MACKENZIE CALLAHAN)

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
`103TC0700X` — Psychologist, Clinical Plain English: Licensed & Credentialed Behavioral Health & Social Service Providers — Psychologist, Clinical	State: MI \| License: `6301019746` \| Primary: Yes (Primary)

Medical Billing, RCM & Hospital Credentialing Teams:

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MACKENZIE CALLAHAN (NPI #1366288698)