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Nephrology

Kathleen A. Prag, MD

Works at hospitals in Indianapolis, IN · Indiana

Summary

Dr. Kathleen A. Prag, MD is a nephrologist at 1701 N Senate Blvd, Indianapolis, IN 46202. Phone: (888) 484-3258. Accepts Medicare assignment. In 2024, Kathleen A. Prag had 151 Original Medicare patients and 484 services. NPI 1982661179. 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: Nephrologist (Medicare lists Nephrology)
  • Address: 1701 N Senate Blvd, Indianapolis, IN 46202 · Directions
  • Phone: (888) 484‑3258
  • Medicare: Accepts Medicare assignment
  • Hospital: Indiana University Health
  • Group practice: IU Health Medical Group LLC
  • Medical school: Medical College Of Wisconsin · graduated 1994 (32 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Kathleen A. Prag, 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 Kathleen A. Prag accept Medicare assignment?
Yes. Medicare's clinician data says Kathleen A. Prag 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 Kathleen A. Prag see?
In 2024, CMS data shows 151 Original Medicare patients and 484 services for Kathleen A. Prag. This counts Original Medicare only and measures volume, not quality.
What is Kathleen A. Prag's NPI number?
1982661179. 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 Kathleen A. Prag, 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 patients151
Services billed to Medicare484
Different services or procedures17
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)170 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)44 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)44 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)34 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)28 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%
  • Chronic kidney disease75%
  • High cholesterol72%
  • Diabetes50%
  • Ischemic heart disease41%
  • Heart failure38%

Hospitals where Kathleen A. Prag works

Medicare's Facility Affiliation Data lists Kathleen A. Prag 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 Kathleen A. Prag is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kathleen A. Prag as a member of this group (CMS data updated October 2, 2026).

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

Specialties

Find other Nephrology doctors in Indiana →

Other nephrologists in Indianapolis

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

All nephrologists 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 schoolMedical College Of Wisconsin
Graduation year1994 (32 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1982661179
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