William Kolozsi, MD
NPI 1144203456 · Gastroenterology Physician · Salem, OH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Kolozsi, MD is a Gastroenterology Physician provider in Salem, OH (NPI 1144203456).
Provider details
- NPI number
- 1144203456
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35045297K (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
234 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 130 | $52 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 33 | $93 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 29 | $159 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43235 | 23 | $82 |
| Removal of Polyps Or Growths of Large Bowel Using a Flexible Endoscope With Electrical Cautery45384 | 19 | $178 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dicyclomine Hcl | 76 | 19 |
| Misoprostol | 62 | 15 |
| Omeprazole | 50 | 14 |
| Famotidine | 43 | 18 |
| Colestipol Hcl | 32 | — |
| Perphenazine | 28 | — |
| Esomeprazole Magnesium | 24 | — |
| Mirtazapine | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$548 across 29 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-22
- Last updated
- 2024-09-19
- Certified
- 2024-09-19
Frequently asked questions
- What is William Kolozsi's NPI number?
- William Kolozsi's National Provider Identifier (NPI) is 1144203456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kolozsi's specialty?
- William Kolozsi is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is William Kolozsi located?
- William Kolozsi's practice location on file with NPPES is 2094 E State St Ste B, Salem, OH 44460-4409.
- What is William Kolozsi's phone number?
- The practice phone number listed in the NPPES registry for William Kolozsi is (330) 337-8709.
- Does William Kolozsi accept Medicare?
- William Kolozsi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Kolozsi's NPI active?
- Yes — William Kolozsi's NPI (1144203456) is active in the NPPES registry as of the last update on 2024-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.