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Otolaryngology

Heath C. Tennyson, MD

Works at hospitals in Bellefontaine, OH · Ohio

Summary

Dr. Heath C. Tennyson, MD is an ENT doctor at 1134 N Main St, Suite 3100, Bellefontaine, OH 43311. Phone: (937) 651-3270. Accepts Medicare assignment. In 2024, Heath C. Tennyson had 669 Original Medicare patients and 6,455 services. NPI 1700856069. 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: ENT doctor (Medicare lists Otolaryngology)
  • Address: 1134 N Main St, Suite 3100, Bellefontaine, OH 43311 · Directions
  • Phone: (937) 651‑3270
  • Medicare: Accepts Medicare assignment
  • Hospital: Mary Rutan Hospital
  • Group practice: Mary Rutan Hospital
  • Medical school: University Of Arizona College Of Medicine · 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 Heath C. Tennyson, 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 Heath C. Tennyson accept Medicare assignment?
Yes. Medicare's clinician data says Heath C. Tennyson 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 Heath C. Tennyson see?
In 2024, CMS data shows 669 Original Medicare patients and 6,455 services for Heath C. Tennyson. This counts Original Medicare only and measures volume, not quality.
What is Heath C. Tennyson's NPI number?
1700856069. 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 Heath C. Tennyson, 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 patients669
Services billed to Medicare6,455
Different services or procedures52
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Professional service for preparation and provision of 1 or more antigens (95165)1,685 services
  2. Professional service for multiple injections of allergen (95117)1,442 services
  3. Test for allergy using allergenic extract (95004)864 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)566 services
  5. Test for allergy using allergenic extract injected into skin (95024)564 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 cholesterol75%
  • High blood pressure72%
  • Arthritis43%
  • Ischemic heart disease28%
  • Diabetes26%
  • Chronic kidney disease23%

Hospitals where Heath C. Tennyson works

Medicare's Facility Affiliation Data lists Heath C. Tennyson 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.

  • Mary Rutan HospitalBellefontaine, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360197

Practice locations

Addresses where Heath C. Tennyson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Heath C. Tennyson as a member of this group (CMS data updated October 2, 2026).

  • Mary Rutan Hospital92 clinicians in the group

Specialties

Find other Otolaryngology doctors in Ohio →

Other ENT doctors in Ohio

Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.

All ENT doctors in Ohio →

Other clinicians in Mary Rutan Hospital

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

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700856069
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