Stephen Mularz, D.O.
NPI 1982018156 · Gastroenterology Physician · Hazard, KY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Mularz, D.O. is a Gastroenterology Physician provider in Hazard, KY (NPI 1982018156).
Provider details
- NPI number
- 1982018156
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- E000 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 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
520 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) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 153 | $65 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 68 | $80 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 64 | $123 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 48 | $239 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 36 | $76 |
| Injection of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Colestipol Hcl | 134 | 65 |
| Famotidine | 128 | 53 |
| Sucralfate | 87 | 59 |
| Pantoprazole Sodium | 74 | 65 |
| Ciprofloxacin Hcl | 50 | 32 |
| Ursodiol | 20 | — |
| Furosemide | 18 | 11 |
| Spironolactone | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,077 across 57 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
- 2014-06-16
- Last updated
- 2021-03-22
- Certified
- 2021-03-22
Frequently asked questions
- What is Stephen Mularz's NPI number?
- Stephen Mularz's National Provider Identifier (NPI) is 1982018156, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Mularz's specialty?
- Stephen Mularz is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Mularz located?
- Stephen Mularz's practice location on file with NPPES is 100 Airport Gardens Rd # Site311, Hazard, KY 41701-9529.
- What is Stephen Mularz's phone number?
- The practice phone number listed in the NPPES registry for Stephen Mularz is (606) 439-6978.
- Does Stephen Mularz accept Medicare?
- Stephen Mularz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Mularz's NPI active?
- Yes — Stephen Mularz's NPI (1982018156) is active in the NPPES registry as of the last update on 2021-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.