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Internal Medicine

Nicholas G. Horen

Works at hospitals in Toledo, OH · Ohio

Summary

Nicholas G. Horen is an internal medicine doctor at 3355 Glendale Ave, Toledo, OH 43614. Phone: (419) 383-5614. Accepts Medicare assignment. In 2024, Nicholas G. Horen had 358 Original Medicare patients and 1,764 services. NPI 1659717031. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Nicholas G. Horen, 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 Nicholas G. Horen accept Medicare assignment?
Yes. Medicare's clinician data says Nicholas G. Horen 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 Nicholas G. Horen see?
In 2024, CMS data shows 358 Original Medicare patients and 1,764 services for Nicholas G. Horen. This counts Original Medicare only and measures volume, not quality.
What is Nicholas G. Horen's NPI number?
1659717031. 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 Nicholas G. Horen, 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 patients358
Services billed to Medicare1,764
Different services or procedures32
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)686 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)463 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)143 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)104 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)90 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 cholesterol64%
  • Arthritis53%
  • Diabetes43%
  • Ischemic heart disease40%
  • Chronic kidney disease40%

Hospitals where Nicholas G. Horen works

Medicare's Facility Affiliation Data lists Nicholas G. Horen 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.

Practice locations

Addresses where Nicholas G. Horen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nicholas G. Horen as a member of this group (CMS data updated October 2, 2026).

  • University of Toledo Physicians LLC403 clinicians in the group

Specialties

Find other Internal Medicine doctors in Ohio →

Other internal medicine doctors in Toledo

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

All internal medicine doctors in Toledo →

Other clinicians in University of Toledo Physicians LLC

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

Clinician information

Graduation year2016 (10 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659717031
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