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Optometry

Jacob R. Jenness, OD

Sees patients in Spirit Lake, IA · Iowa

Summary

Dr. Jacob R. Jenness, OD is an optometrist at 2312 23rd St, Spirit Lake, IA 51360. Phone: (712) 336-1960. Accepts Medicare assignment. In 2024, Jacob R. Jenness had 1,256 Original Medicare patients and 3,312 services. NPI 1326787763. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 2312 23rd St, Spirit Lake, IA 51360 · Directions
  • Phone: (712) 336‑1960
  • Medicare: Accepts Medicare assignment
  • Group practice: Eyecare Centre
  • Optometry school: Ferris State College - College Of Optometry · graduated 2022 (4 years since optometry school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jacob R. Jenness, 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 Jacob R. Jenness accept Medicare assignment?
Yes. Medicare's clinician data says Jacob R. Jenness 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 Jacob R. Jenness see?
In 2024, CMS data shows 1,256 Original Medicare patients and 3,312 services for Jacob R. Jenness. This counts Original Medicare only and measures volume, not quality.
What is Jacob R. Jenness's NPI number?
1326787763. 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 Jacob R. Jenness, 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 patients1,256
Services billed to Medicare3,312
Different services or procedures24
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient complete exam of visual system (92014)802 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)456 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)439 services
  4. Imaging of retina (92134)408 services
  5. Imaging of optic nerve (92133)258 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 pressure65%
  • High cholesterol64%
  • Arthritis34%
  • Chronic kidney disease23%
  • Diabetes21%
  • Ischemic heart disease17%

Practice locations

Addresses where Jacob R. Jenness is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jacob R. Jenness as a member of this group (CMS data updated October 2, 2026).

  • Eyecare Centre4 clinicians in the group

Specialties

Find other clinicians: Optometry, Iowa →

Other optometrists in Spirit Lake

Clinicians with the same Medicare primary specialty in Spirit Lake, IA — not a recommendation.

All optometrists in Spirit Lake →

Other clinicians in Eyecare Centre

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

Clinician information

CredentialOD
Optometry schoolFerris State College - College Of Optometry
Graduation year2022 (4 years since optometry school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326787763
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians