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Family Practice

Gerald G. Warrener, MD

Works at hospitals in Auburn, IN · Lagrange, IN · Kendallville, IN … · Indiana

Summary

Dr. Gerald G. Warrener, MD is a family doctor at 3702 New Vision Dr, Suite B, Fort Wayne, IN 46845. Accepts Medicare assignment. In 2024, Gerald G. Warrener had 345 Original Medicare patients and 3,151 services. NPI 1205821659. 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 Gerald G. Warrener, 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 Gerald G. Warrener accept Medicare assignment?
Yes. Medicare's clinician data says Gerald G. Warrener 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 Gerald G. Warrener see?
In 2024, CMS data shows 345 Original Medicare patients and 3,151 services for Gerald G. Warrener. This counts Original Medicare only and measures volume, not quality.
What is Gerald G. Warrener's NPI number?
1205821659. 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 Gerald G. Warrener, 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 patients345
Services billed to Medicare3,151
Different services or procedures47
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)310 services
  2. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)219 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)183 services
  4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)137 services
  5. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)108 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 cholesterol69%
  • Arthritis47%
  • Diabetes33%
  • Ischemic heart disease25%
  • Chronic kidney disease22%

Hospitals where Gerald G. Warrener works

Medicare's Facility Affiliation Data lists Gerald G. Warrener 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.

  • Parkview Dekalb HospitalAuburn, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150045
  • Parkview Lagrange HospitalLagrange, IN · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 151323
  • Parkview Noble HospitalKendallville, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150146
  • Parkview Regional Medical CenterFort Wayne, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150021
  • Parkview Whitley HospitalColumbia City, IN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 150101

Practice locations

Addresses where Gerald G. Warrener is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in Indiana →

Other family doctors in Fort Wayne

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

All family doctors in Fort Wayne →

Clinician information

CredentialMD
Medical schoolIndiana University School Of Medicine
Graduation year1977 (49 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205821659
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