Dr. Nathan I. Krishnan
- Gender: Male
- Experience: 5 years
- Graduation year: 2016
- Sole propriator: No
- NPI: 1770937542
Dr. Nathan I. Krishnan M.D.
Hospitalist
He is located at 3601 The Vanderbilt Clinic in Nashville, TN 37232. Can help patients with the following: Anemia, Arthritis, Bladder Control, Chronic Obstructive Pulmonary Disease (COPD), Gastroesophageal Reflux Disease (GERD), Peptic Ulcer. His National Provider Identifier (NPI) number is 1770937542. Appointment can be made via the phone number (615) 322-3000. He is affiliated with 2 practices and 1 hospitals.
Conditions treated
Dr. Nathan Iyer Krishnan, being an hospitalist, 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. Nathan I. Krishnan.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Urethritis
- Urinary Tract Infection (UTI)
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Nathan I. Krishnan as in-network for the following 2026 plans.
Health plans
Alliant Health Plans, Inc.
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 9 plans from Alliant Health Plans, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| SoloCare Bronze EPO $8500 DED HSA 10004 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| SoloCare Exp Bronze EPO $9500 DED 10015 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| SoloCare Gold EPO $1500 DED 10010 | EPO · Gold | Preferred | Accepting new patients |
| SoloCare Silver EPO $5000 DED 10014 | EPO · Silver | Preferred | Accepting new patients |
| SoloCare Silver EPO $6500 DED 10013 | EPO · Silver | Preferred | Accepting new patients |
| SoloCare Standard Exp Bronze EPO $7500 DED 10008 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| SoloCare Standard Gold EPO $2000 DED 10006 | EPO · Gold | Preferred | Accepting new patients |
| SoloCare Standard Platinum EPO $0 DED 10005 | EPO · Platinum | Preferred | Accepting new patients |
| SoloCare Standard Silver EPO $6000 DED 10007 | EPO · Silver | Preferred | Accepting new patients |
Cigna Healthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 10 plans from Cigna Healthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Connect Bronze 7500 Indiv Med Deductible | EPO · Bronze | Preferred | Accepting new patients |
| Connect Bronze 8500 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze CMS Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Gold 1500 Indiv Med Deductible | EPO · Gold | Preferred | Accepting new patients |
| Connect Gold CMS Standard | EPO · Gold | Preferred | Accepting new patients |
| Connect myDiabetesCare Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect myDiabetesCare Silver | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver 3000 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver 4500 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver CMS Standard | EPO · Silver | Preferred | Accepting new patients |
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 15 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | EPO · Gold | Preferred | Accepting new patients |
| Gold Elite | EPO · Gold | Preferred | Accepting new patients |
| Silver Classic | EPO · Silver | Preferred | Accepting new patients |
| Silver Classic Standard | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Breathe Easy with Enhanced COPD Benefits | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits | 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. Nathan I. Krishnan is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Nathan I. Krishnan is enrolled to bill Medicare as a Practitioner - Hospitalist .
Bills through: Vanderbilt University Medical Center
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
Graduated in 2016Additional Specialities
- Internist
- Resident
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- Gender: Male
- Address: 2200 Childrens Way Nashville, 37232, TN
- Gender: Female
- Address: 3601 The Vanderbilt Clinic Nashville, 37232, TN
- Gender: Male
- Address: 3601 21st Avenue South Nashville, 37232, TN
- Gender: Male
- Address: 3601 21st Avenue South Nashville, 37232, TN
Questions & Answers
Does Dr. Nathan Iyer Krishnan have affiliation with practices?
Dr. Nathan Iyer Krishnan is affiliated with Vanderbilt Medical Group. For the full list of practices see this list.
What conditions does Dr. Nathan Iyer Krishnan treat?
Dr. Nathan Iyer Krishnan provides treatment for Anemia, Arthritis, Bladder Control, Chronic Obstructive Pulmonary Disease (COPD), Gastroesophageal Reflux Disease (GERD), Peptic Ulcer. For the full list see this list.
Has Dr. Nathan Iyer Krishnan affiliation with hospitals?
Dr. Nathan Iyer Krishnan is affiliated with VANDERBILT UNIVERSITY MEDICAL CENTER.
Does Dr. Nathan Iyer Krishnan accept insurance?
Dr. Nathan Iyer Krishnan is listed in-network for 34 ACA Marketplace (Obamacare/HealthCare.gov) plans from Alliant Health Plans, Inc., Cigna Healthcare, Oscar Insurance Company. See the Marketplace plans section for details.
Where can you meet with Dr. Nathan Iyer Krishnan?
Dr. Nathan Iyer Krishnan's office is located at 3601 The Vanderbilt Clinic in Nashville, TN 37232.