Dr. Christopher M. Callahan
Dr. Christopher M. Callahan
Last updated: Sep 15, 2025

Dr. Christopher M. Callahan

  • Gender: Male
  • Experience: 36 years
  • Graduated from: Saint Louis University School Of Medicine
  • Graduation year: 1985
  • Sole propriator: No
  • NPI: 1104867043

Dr. Christopher M. Callahan MD

Geriatrician

He is located at 1633 North Capitol Avenue Ste 322 in Indianapolis, IN 46202. Can help patients with the following: Anemia, Asthma, Atherosclerosis, Edema, Fecal Incontinence, Hyperlipidemia. His National Provider Identifier (NPI) number is 1104867043. Appointment can be made via the phone number (317) 962-2929. He is affiliated with 1 hospitals.

Conditions treated

Dr. Christopher M. Callahan, being an geriatrician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Christopher M. Callahan.

  • Abdominal Pain
  • Acute Pain
  • Aging In Place
  • Alzheimer's Disease
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Balance Issues
  • Bladder Control
  • Bone Loss
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Cognitive Decline
  • Common Cold
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Fatigue
  • Fecal Incontinence
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hip Bursitis
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Low Back Pain
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoarthritis (OA)
  • Osteoporosis
  • Peptic Ulcer
  • Prescription Refill
  • Progressive Neurological Disorders
  • Urethritis
  • Urinary Tract Infection (UTI)

Procedures Performed by Dr. Christopher M. Callahan

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Christopher M. Callahan as in-network for the following 2026 plans.

Health plans

CareSource

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 22 plans from CareSource
CareSource plans
Plan Plan type Network tier New patients
Bronze 7500 $25 Generic Drugs HMO · Expanded Bronze Preferred Accepting new patients
Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness HMO · Expanded Bronze Preferred Accepting new patients
Diabetes Gold 3000 $0 Chronic Care Drugs & Services HMO · Gold Preferred Accepting new patients
Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
Diabetes Silver 5000 $0 Chronic Care Drugs & Services HMO · Silver Preferred Accepting new patients
Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
Gold 2000 $15 Generic Drugs HMO · Gold Preferred Accepting new patients
Gold 2000 $15 Generic Drugs + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
HDHP Preventive Silver 5500 $0 Chronic Care Drugs HMO · Silver Preferred Accepting new patients
Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services HMO · Gold Preferred Accepting new patients
Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services HMO · Silver Preferred Accepting new patients
Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
HSA Eligible Bronze 6000 HMO · Expanded Bronze Preferred Accepting new patients
Low Premium Bronze 10600 $25 Generic Drugs HMO · Expanded Bronze Preferred Accepting new patients
Low Premium Bronze 10600 $25 Generic Drugs + Adult Vision & Fitness HMO · Expanded Bronze Preferred Accepting new patients
Low Premium Silver 6200 $3 Generic Drugs HMO · Silver Preferred Accepting new patients
Low Premium Silver 6200 $3 Generic Drugs + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
Platinum Zero $5 Generic Drugs HMO · Platinum Preferred Accepting new patients
Platinum Zero $5 Generic Drugs + Adult Vision & Fitness HMO · Platinum Preferred Accepting new patients
Silver 6000 $20 Generic Drugs HMO · Silver Preferred Accepting new patients
Silver 6000 $20 Generic Drugs + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients

Cigna Healthcare

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 18 plans from Cigna Healthcare
Cigna Healthcare plans
Plan Plan type Network tier New patients
Connect Bronze 3800 Indiv Med Deductible EPO · Expanded Bronze Preferred Accepting new patients
Connect Bronze 7900 Indiv Med Deductible EPO · Expanded Bronze Preferred Accepting new patients
Connect Bronze CMS Standard EPO · Expanded Bronze Preferred Accepting new patients
Connect Bronze SW 4500 Indiv Med Deductible EPO · Expanded Bronze Preferred Accepting new patients
Connect Bronze SW 7400 Indiv Med Deductible EPO · Expanded Bronze Preferred Accepting new patients
Connect Bronze SW CMS Standard EPO · Expanded Bronze Preferred Accepting new patients
Connect Gold 2700 Indiv Med Deductible EPO · Gold Preferred Accepting new patients
Connect Gold CMS Standard EPO · Gold Preferred Accepting new patients
Connect Gold SW 2700 Indiv Med Deductible EPO · Gold Preferred Accepting new patients
Connect Gold SW CMS Standard EPO · Gold Preferred Accepting new patients
Connect myDiabetesCare Bronze EPO · Expanded Bronze Preferred Accepting new patients
Connect myDiabetesCare Bronze SW EPO · Expanded Bronze Preferred Accepting new patients
Connect Silver 3000 Indiv Med Deductible EPO · Silver Preferred Accepting new patients
Connect Silver 6300 Indiv Med Deductible EPO · Silver Preferred Accepting new patients
Connect Silver CMS Standard EPO · Silver Preferred Accepting new patients
Connect Silver SW 4400 Indiv Med Deductible EPO · Silver Preferred Accepting new patients
Connect Silver SW 6800 Indiv Med Deductible EPO · Silver Preferred Accepting new patients
Connect Silver SW CMS Standard EPO · Silver Preferred Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Christopher M. Callahan is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Christopher M. Callahan is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Geriatric Medicine) .

Bills through: Eskenazi Medical Group Inc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Studies

SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE

Graduated in 1985

Additional Specialities

  • Internist

Affiliated hospitals

ESKENAZI HEALTH
720 ESKENAZI AVENUE
INDIANAPOLIS, 46202 IN
(317) 880-4818

Looking for more Geriatricians?

Out of the 24 geriatricians in this region, here are 10 randomly selected ones for you to explore.

Dr. Robert F. Lebow
  • Gender: Male
  • Address: 907 East Michigan Street Indianapolis, 46202, IN
Dr. Geetha A. Rao
  • Gender: Female
  • Address: 8501 Wilshire Boulevard Suite 100 Beverly Hills, 90211, CA
Dr. Robert Young
  • Gender: Male
  • Address: Div Im Hospitalist 1 Barnes Jewish Hospital Plaza Saint Louis, 63110, MO
Dr. Poonam Paruchuri
  • Gender: Female
  • Address: Suite 322 1633 North Capitol Avenue Indianapolis, 46202, IN
Dr. Glenda R. Westmoreland
  • Gender: Female
  • Address: Suite 322 1633 North Capitol Avenue Indianapolis, 46202, IN
Dr. Kristi Marie Lieb
  • Gender: Female
  • Address: Suite 322 1633 North Capitol Avenue Indianapolis, 46202, IN
Dr. Monica L. Ott
  • Gender: Female
  • Address: Suite 322 1633 North Capitol Avenue Indianapolis, 46202, IN
Dr. Neshahthari Wijeyakuhan
  • Gender: Female
  • Address: 1400 North Ritter Avenue Suite 231 Indianapolis, 46219, IN
Dr. Kamal C. Wagle
  • Gender: Male
  • Address: 360 Essex Street Suite 303 Hackensack, 7601, NJ

Questions & Answers

Where can you meet with Dr. Christopher M. Callahan?

Dr. Christopher M. Callahan's office is located at 1633 North Capitol Avenue Ste 322 in Indianapolis, IN 46202.

Has Dr. Christopher M. Callahan affiliation with hospitals?

Dr. Christopher M. Callahan is affiliated with ESKENAZI HEALTH.

What conditions does Dr. Christopher M. Callahan treat?

Dr. Christopher M. Callahan provides treatment for Anemia, Asthma, Atherosclerosis, Edema, Fecal Incontinence, Hyperlipidemia. For the full list see this list.

Does Dr. Christopher M. Callahan accept patients with Cigna Healthcare?

Yes, Dr. Christopher M. Callahan is listed in-network for Cigna Healthcare through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.