STEPHEN J KOWALCZYK, DDS — NPI 1285767632 (Licensed Doctor of Dental Surgery (DDS) / Doctor of Medicine in Dentistry (DMD) in DANBURY, CT)

CMS-1500 Box 24J / 33a • NPI

1285767632

Type 1 Individual Rendering/Ordering

HIPAA NUCC Taxonomy • CMS Code

1223P0700X

Licensed Doctor of Dental Surgery (DDS) / Doctor of Medicine in Dentistry (DMD)

Box 32 Service Location & ZIP+4

57 NORTH ST STE 121, DANBURY, CT, 06810-5626

✓ 9-Digit EDI 837 ZIP+4 (06810-5626)

Practice Phone & Referral Fax

(203) 744-7310

Direct NPPES Verification Line

✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1285767632 (STEPHEN J KOWALCZYK, DDS) 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).

Empirical CMS Medicare Claims, CPT Utilization & Part D Prescribing (NPI #1285767632)

Actual Top Prescribed Medications (CMS Part D)

Brand / Generic Medication	Total Claims	Patients
Amoxicillin Amoxicillin	74	48
Chlorhexidine Gluconate Chlorhexidine Gluconate	27	13

Official CMS NPPES Credential & Practice Profile

10-Digit NPI Number	`1285767632` (NPI-1 Individual Practitioner)
Provider / Legal Name	STEPHEN J KOWALCZYK, DDS
Plain-English Specialty	Licensed Doctor of Dental Surgery (DDS) / Doctor of Medicine in Dentistry (DMD) NUCC Code: `1223P0700X` (Dentist, Prosthodontics)
Certifying / Licensing Body	American Dental Association (ADA) / State Board of Dental Examiners
Practice Location Address	57 NORTH ST STE 121, DANBURY, CT, 06810-5626
Practice Telephone / Fax	Tel: (203) 744-7310
Administrative Mailing Address	15 LAMBERT RDG, CROSS RIVER, NY, 10518-1123
Enumeration & Last Sync	Enumerated: 2007-03-14 \| CMS Record Updated: 2018-04-09

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

57 NORTH ST STE 121, DANBURY, CT, 06810-5626

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Plain-English Taxonomy & CMS Crosswalk (1223P0700X)

What Does Taxonomy Code 1223P0700X Mean?

In the HIPAA National Uniform Claim Committee (NUCC) classification, code 1223P0700X translates to:
"Licensed Doctor of Dental Surgery (DDS) / Doctor of Medicine in Dentistry (DMD)"

CMS-1500 Medicare Specialty Crosswalk: Standard HIPAA X12N 837P / CMS-1500
Certifying / Accrediting Authority: American Dental Association (ADA) / State Board of Dental Examiners
Clinical Scope: Routine 6-month dental checkups, toothache, dental abscess, bleeding gums (periodontitis), or wisdom tooth extraction.

Specialty Clinical Procedures & Therapeutic Classes

Standard Scope of Care (STEPHEN J KOWALCZYK, DDS)

Typical CPT / Diagnostic Procedures:

Comprehensive Oral Evaluation, Digital Dental Radiographs & Prophylaxis
Restorative Composite Fillings, Crowns, Endodontic Root Canal & Extractions

Common Therapeutic Classes:

Amoxicillin, Metronidazole & Clindamycin (Odontogenic Infections)
Chlorhexidine Gluconate 0.12% Oral Rinse & High-Fluoride Varnish

All Registered NUCC Taxonomies & State Licenses

Taxonomy Code & Plain-English Description	State License & Primary Status
`1223P0700X` — Dentist, Prosthodontics Plain English: Licensed Doctor of Dental Surgery (DDS) / Doctor of Medicine in Dentistry (DMD)	State: CT \| License: `9122` \| Primary: Yes (Primary)

Medical Billing, RCM & Hospital Credentialing Teams:

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STEPHEN J KOWALCZYK, DDS (NPI #1285767632)