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Internal Medicine

Denis Nigmatoulline, MD

Works at hospitals in Zanesville, OH · Columbus, OH · Ohio

Summary

Dr. Denis Nigmatoulline, MD is an internal medicine doctor at 2951 Maple Ave, Zanesville, OH 43701. Phone: (740) 454-4000. Accepts Medicare assignment. In 2024, Denis Nigmatoulline had 400 Original Medicare patients and 809 services. NPI 1861770398. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2951 Maple Ave, Zanesville, OH 43701 · Directions (2 more locations)
  • Phone: (740) 454‑4000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Genesis Hospital, Riverside Methodist Hospital
  • Group practice: Central Ohio Hospitalists, Inc
  • Medical school: graduated 2001 (25 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Denis Nigmatoulline, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Denis Nigmatoulline accept Medicare assignment?
Yes. Medicare's clinician data says Denis Nigmatoulline accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Denis Nigmatoulline see?
In 2024, CMS data shows 400 Original Medicare patients and 809 services for Denis Nigmatoulline. This counts Original Medicare only and measures volume, not quality.
What is Denis Nigmatoulline's NPI number?
1861770398. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Denis Nigmatoulline, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients400
Services billed to Medicare809
Different services or procedures7
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)327 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)161 services
  3. Hospital discharge day management, more than 30 minutes (99239)128 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)123 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)35 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease63%
  • Heart failure58%
  • Arthritis57%
  • Chronic kidney disease52%

Hospitals where Denis Nigmatoulline works

Medicare's Facility Affiliation Data lists Denis Nigmatoulline at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Genesis HospitalZanesville, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360039
  • Riverside Methodist HospitalColumbus, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360006

Practice locations

Addresses where Denis Nigmatoulline is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Denis Nigmatoulline as a member of this group (CMS data updated October 2, 2026).

  • Central Ohio Hospitalists, Inc190 clinicians in the group

Specialties

Find other Internal Medicine doctors in Ohio →

Other internal medicine doctors in Zanesville

Clinicians with the same Medicare primary specialty in Zanesville, OH — not a recommendation.

All internal medicine doctors in Zanesville →

Other clinicians in Central Ohio Hospitalists, Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861770398
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians