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Ophthalmology

Carissa L. Klaas, MD

Sees patients in Indianapolis, IN · Indiana

Summary

Dr. Carissa L. Klaas, MD is an ophthalmologist at 8849 Shelby St, Suite A1, Indianapolis, IN 46227. Phone: (317) 692-1249. Accepts Medicare assignment. In 2024, Carissa L. Klaas had 257 Original Medicare patients and 9,340 services. NPI 1740488378. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 8849 Shelby St, Suite A1, Indianapolis, IN 46227 · Directions
  • Phone: (317) 692‑1249
  • Medicare: Accepts Medicare assignment
  • Medical school: Indiana University School Of Medicine · graduated 2005 (21 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Carissa L. Klaas, 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 Carissa L. Klaas accept Medicare assignment?
Yes. Medicare's clinician data says Carissa L. Klaas 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 Carissa L. Klaas see?
In 2024, CMS data shows 257 Original Medicare patients and 9,340 services for Carissa L. Klaas. This counts Original Medicare only and measures volume, not quality.
What is Carissa L. Klaas's NPI number?
1740488378. 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 Carissa L. Klaas, 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 patients257
Services billed to Medicare9,340
Different services or procedures32
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Injection, faricimab-svoa, 0.1 mg (J2777)3,251 services
  2. Imaging of retina (92134)953 services
  3. Injection of drug into eye (67028)558 services
  4. Injection, bevacizumab, 10 mg (J9035)310 services
  5. Established patient complete exam of visual system (92014)256 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 cholesterol75%
  • Arthritis45%
  • Diabetes35%
  • Chronic kidney disease33%
  • Ischemic heart disease32%

Practice locations

Addresses where Carissa L. Klaas is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Ophthalmology doctors in Indiana →

Other ophthalmologists in Indianapolis

Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.

All ophthalmologists in Indianapolis →

Clinician information

CredentialMD
Medical schoolIndiana University School Of Medicine
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1740488378
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