Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Optometry

Erik W. Haselhorst, OD

Sees patients in Katy, TX · Austin, TX · San Angelo, TX · Texas

Summary

Dr. Erik W. Haselhorst, OD is an optometrist at 23230 Red River Dr, Katy, TX 77494. Phone: (281) 221-0662. Accepts Medicare assignment. In 2024, Erik W. Haselhorst had 192 Original Medicare patients and 322 services. NPI 1073826806. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 23230 Red River Dr, Katy, TX 77494 · Directions (3 more locations)
  • Phone: (281) 221‑0662
  • Medicare: Accepts Medicare assignment
  • Group practice: Aeg Texas Professional PLLC (+2 more)
  • Optometry school: University Of Houston - College Of Optometry · graduated 2010 (16 years since optometry school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Erik W. Haselhorst, 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 Erik W. Haselhorst accept Medicare assignment?
Yes. Medicare's clinician data says Erik W. Haselhorst 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 Erik W. Haselhorst see?
In 2024, CMS data shows 192 Original Medicare patients and 322 services for Erik W. Haselhorst. This counts Original Medicare only and measures volume, not quality.
What is Erik W. Haselhorst's NPI number?
1073826806. 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 Erik W. Haselhorst, 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 patients192
Services billed to Medicare322
Different services or procedures17
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient complete exam of visual system (92014)124 services
  2. Photography of the retina (92250)75 services
  3. Established patient problem focused exam of visual system (92012)34 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)22 services
  5. New patient complete exam of visual system (92004)17 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 cholesterol70%
  • High blood pressure69%
  • Depression45%
  • Arthritis44%
  • Anxiety43%
  • Alzheimer's disease or dementia40%

Practice locations

Addresses where Erik W. Haselhorst is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Erik W. Haselhorst as a member of these groups (CMS data updated October 2, 2026).

  • Aeg Texas Professional PLLC229 clinicians in the group
  • Excel Eyecare LLC6 clinicians in the group
  • Healthsync Vision Care2 clinicians in the group

Specialties

Find other clinicians: Optometry, Texas →

Other optometrists in Katy

Clinicians with the same Medicare primary specialty in Katy, TX — not a recommendation.

All optometrists in Katy →

Other clinicians in Aeg Texas Professional PLLC

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

Clinician information

CredentialOD
Optometry schoolUniversity Of Houston - College Of Optometry
Graduation year2010 (16 years since optometry school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073826806
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