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Neurosurgery

Karl W. Janich, MD

Works at hospitals in Lafayette, IN · Frankfort, IN · Monticello, IN · Indiana

Summary

Dr. Karl W. Janich, MD is a neurosurgeon at 1701 N Senate Blvd, Indianapolis, IN 46202. Phone: (888) 484-3258. Accepts Medicare assignment. In 2024, Karl W. Janich had 175 Original Medicare patients and 378 services. NPI 1528453453. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Karl W. Janich, 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 Karl W. Janich accept Medicare assignment?
Yes. Medicare's clinician data says Karl W. Janich 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 Karl W. Janich see?
In 2024, CMS data shows 175 Original Medicare patients and 378 services for Karl W. Janich. This counts Original Medicare only and measures volume, not quality.
What is Karl W. Janich's NPI number?
1528453453. 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 Karl W. Janich, 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 patients175
Services billed to Medicare378
Different services or procedures58
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)78 services
  2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)31 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)27 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)27 services
  5. Computer-assisted spinal procedure (61783)13 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%
  • Arthritis63%
  • Diabetes37%
  • Depression35%
  • Anxiety35%

Hospitals where Karl W. Janich works

Medicare's Facility Affiliation Data lists Karl W. Janich 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.

Practice locations

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

Group practices

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

  • IU Health Medical Group LLC4,462 clinicians in the group
  • Arnett Clinic LLC390 clinicians in the group

Specialties

Find other Neurosurgery doctors in Indiana →

Other neurosurgeons in Indianapolis

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

All neurosurgeons in Indianapolis →

Other clinicians in IU Health Medical Group LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At San Antonio
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1528453453
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