Stephen James Mularz, D.O.
Gastroenterology Physician · Hazard, KY
Stephen James Mularz, D.O. is a gastroenterology physician with a practice address in Hazard, Kentucky, and NPI 1982018156, issued on Jun 16, 2014. Check the license (Kentucky E000, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Stephen James Mularz
- Credential
- D.O.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- E000 KY
Self-reported in NPPES; status is on the state search - Practice location
- 200 Medical Center Dr, Hazard, KY 41701
- Phone
- (606) 439-3952
- Enumerated
- Jun 16, 2014
- Record last updated
- Jul 31, 2026
- Fax
- (606) 439-8493
- Medicare enrollment
- Enrolled (PECOS I20201214003060); accepts Medicare assignment
- Medical or professional school
- Lincoln Mem Univ, Debusk Col Of Osteopathic Med, 2014
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 226 in Kentucky → Look up another NPI →
Also registered at 200 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Valerie Adams, APRNNurse Practitioner1184020570
- Lori Akers, APRNNurse Practitioner1417224643
- Rafiqul Alam, MDSpecialist1891766101
- Emelita Ayos, M.D.Diagnostic Radiology Physician1154367050
- Samuel Bailey, M.D.Hematology & Oncology Physician1114180080
- Lori Bradley, APRNNurse Practitioner1447537105
Verify Stephen James Mularz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license E000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average gastroenterology physician in 2024
716 Medicare Part D claims for 234 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Colestipol Hcl134 claims
- Famotidine128 claims
- Sucralfate87 claims
- Pantoprazole Sodium74 claims
- Ciprofloxacin Hcl50 claims
- Ursodiol20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,077.01
57 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Appalachian Regional Healthcare IncHazard, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen James Mularz among 226 gastroenterology physician records in Kentucky
Stephen James Mularz, D.O. is one of 226 gastroenterology physician records with a practice address in Kentucky. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 15% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2014 · median 2000 among the 181 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Kentucky
There are 226 gastroenterology physician records in Kentucky.
All 226 in Kentucky → Every provider in Hazard → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Uday Shankar, M.D.Hazard, KY 417011881660538
- Gary Sinensky, M.D.Hazard, KY 417011376585067
- Bahram Forouzandeh, M.D.Prestonsburg, KY 416531750356788
- Nadeem Khan, M.D.Pikeville, KY 415011083663330
- Philip Leipprandt, D.O.Pikeville, KY 415011528217890
- Forrest Smith, DOPikeville, KY 415011982228433
- Gary Bodnarchuk, M.D.Paducah, KY 420031033196084
- Russell Carter, D.O.Paducah, KY 420031912976085
Common questions
What is Stephen James Mularz, D.O.'s NPI number?
Stephen James Mularz, D.O.'s National Provider Identifier (NPI) is 1982018156, issued on Jun 16, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Stephen James Mularz, D.O. located?
The NPPES record lists a practice address at 200 Medical Center Dr, Hazard, KY, 41701. Phone: (606) 439-3952. Providers update this record themselves, so call before visiting.
How can I verify Stephen James Mularz, D.O.'s license?
NPPES lists Kentucky license number E000, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen James Mularz, D.O. prescribe under Medicare Part D?
In 2024, Stephen James Mularz, D.O. had 716 Medicare Part D claims for 234 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Stephen James Mularz, D.O.'s MIPS final score?
The 2023 MIPS final score is 97.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.