Dariusz Lazarczyk, MD
NPI 1083603500 · Gastroenterology Physician · Troy, MI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dariusz Lazarczyk, MD is a Gastroenterology Physician provider in Troy, MI (NPI 1083603500).
Provider details
- NPI number
- 1083603500
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 063367 (MI)
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
809 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 135 | $36 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 102 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 80 | $132 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 73 | $117 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 61 | $180 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 203 | 89 |
| Famotidine | 57 | 32 |
| Colestipol Hcl | 40 | 13 |
| Sucralfate | 35 | 22 |
| Pantoprazole Sodium | 28 | 12 |
| Budesonidebrand: Budesonide Ec | 27 | 12 |
| Esomeprazole Magnesium | 27 | — |
| Budesonide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$408 across 4 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
- 2005-10-18
- Last updated
- 2020-10-23
- Certified
- 2020-10-23
Frequently asked questions
- What is Dariusz Lazarczyk's NPI number?
- Dariusz Lazarczyk's National Provider Identifier (NPI) is 1083603500, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dariusz Lazarczyk's specialty?
- Dariusz Lazarczyk is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Dariusz Lazarczyk located?
- Dariusz Lazarczyk's practice location on file with NPPES is 264 W Maple Rd, Troy, MI 48084-5435.
- What is Dariusz Lazarczyk's phone number?
- The practice phone number listed in the NPPES registry for Dariusz Lazarczyk is (248) 273-9930.
- Does Dariusz Lazarczyk accept Medicare?
- Dariusz Lazarczyk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dariusz Lazarczyk's NPI active?
- Yes — Dariusz Lazarczyk's NPI (1083603500) is active in the NPPES registry as of the last update on 2020-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.