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Ophthalmology

Richard D. Tenhulzen, MD

Works at hospitals in Jacksonville, FL · Florida

Summary

Dr. Richard D. Tenhulzen, MD is an ophthalmologist at 4500 San Pablo Rd S, Jacksonville, FL 32224. Phone: (904) 953-2000. Accepts Medicare assignment. In 2024, Richard D. Tenhulzen had 820 Original Medicare patients and 3,553 services. NPI 1760432405. 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: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 4500 San Pablo Rd S, Jacksonville, FL 32224 · Directions
  • Phone: (904) 953‑2000
  • Medicare: Accepts Medicare assignment
  • Hospital: Mayo Clinic
  • Group practice: Mayo Clinic Jacksonville
  • Medical school: Mayo Medical School · graduated 1995 (31 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Richard D. Tenhulzen, 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 Richard D. Tenhulzen accept Medicare assignment?
Yes. Medicare's clinician data says Richard D. Tenhulzen 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 Richard D. Tenhulzen see?
In 2024, CMS data shows 820 Original Medicare patients and 3,553 services for Richard D. Tenhulzen. This counts Original Medicare only and measures volume, not quality.
What is Richard D. Tenhulzen's NPI number?
1760432405. 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 Richard D. Tenhulzen, 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 patients820
Services billed to Medicare3,553
Different services or procedures45
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient problem focused exam of visual system (92012)630 services
  2. Established patient complete exam of visual system (92014)507 services
  3. Measurement of corneal curvature and depth of eye (92136)399 services
  4. Imaging of optic nerve (92133)380 services
  5. Exam of visual field with extended testing (92083)274 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 pressure70%
  • Arthritis44%
  • Diabetes25%
  • Ischemic heart disease25%
  • Chronic kidney disease25%

Hospitals where Richard D. Tenhulzen works

Medicare's Facility Affiliation Data lists Richard D. Tenhulzen 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.

  • Mayo ClinicJacksonville, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100151

Practice locations

Addresses where Richard D. Tenhulzen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Richard D. Tenhulzen as a member of this group (CMS data updated October 2, 2026).

  • Mayo Clinic Jacksonville1,615 clinicians in the group

Specialties

Find other Ophthalmology doctors in Florida →

Other ophthalmologists in Jacksonville

Clinicians with the same Medicare primary specialty in Jacksonville, FL — not a recommendation.

All ophthalmologists in Jacksonville →

Other clinicians in Mayo Clinic Jacksonville

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

Clinician information

CredentialMD
Medical schoolMayo Medical School
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1760432405
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