Dr. Mathavi Sahadevan
Dr. Mathavi Sahadevan
Last updated: Nov 7, 2025

Dr. Mathavi Sahadevan

  • Gender: Female
  • Experience: 4 years
  • Graduation year: 2017
  • Sole propriator: No
  • NPI: 1871022095

Dr. Mathavi Sahadevan MD

Internist

She is located at 16216 Baxter Road Suite 299 in Chesterfield, MO 63017. Can help patients with the following: Arthritis, Chronic Obstructive Pulmonary Disease (COPD), Gastroesophageal Reflux Disease (GERD), High Blood Pressure, Hyperlipidemia, Inguinal Hernia. Her National Provider Identifier (NPI) number is 1871022095. Appointment can be made via the phone number (636) 536-2600. She is affiliated with 2 hospitals.

Conditions treated

Dr. Mathavi Sahadevan, being an internist, 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. Mathavi Sahadevan.

  • 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. Mathavi Sahadevan as in-network for the following 2026 plans.

Health plans

Anthem Blue Cross and Blue Shield

Network data as of Mar 26, 2026, as reported by the insurer.

Show all 10 plans from Anthem Blue Cross and Blue Shield
Anthem Blue Cross and Blue Shield plans
Plan Plan type Network tier New patients
Anthem Bronze Pathway 10150 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Bronze Participating Accepting new patients
Anthem Bronze Pathway 6900 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Expanded Bronze Participating Accepting new patients
Anthem Bronze Pathway 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Expanded Bronze Participating Accepting new patients
Anthem Catastrophic Pathway (+ Incentives) EPO · Catastrophic Participating Accepting new patients
Anthem Gold Pathway 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Gold Participating Accepting new patients
Anthem Heart Healthy Bronze Pathway 4900 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Expanded Bronze Participating Accepting new patients
Anthem Heart Healthy Silver Pathway 3100 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Silver Participating Accepting new patients
Anthem Silver Pathway 5350 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Silver Participating Accepting new patients
Anthem Silver Pathway 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Silver Participating Accepting new patients
Anthem Silver Pathway 7200 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Silver Participating Accepting new patients

Medica

Network data as of Aug 13, 2026, as reported by the insurer.

Show all 9 plans from Medica
Medica plans
Plan Plan type Network tier New patients
Medica with SSM Health Bronze $0 Copay PCP Visits EPO · Expanded Bronze Preferred Accepting new patients
Medica with SSM Health Bronze Share EPO · Expanded Bronze Preferred Accepting new patients
Medica with SSM Health Expanded Bronze Standard EPO · Expanded Bronze Preferred Accepting new patients
Medica with SSM Health Gold $0 Copay PCP Visits EPO · Gold Preferred Accepting new patients
Medica with SSM Health Gold Share EPO · Gold Preferred Accepting new patients
Medica with SSM Health Gold Standard EPO · Gold Preferred Accepting new patients
Medica with SSM Health Silver $0 Copay PCP Visits EPO · Silver Preferred Accepting new patients
Medica with SSM Health Silver Share EPO · Silver Preferred Accepting new patients
Medica with SSM Health Silver Standard EPO · Silver Preferred Accepting new patients

Oscar Insurance Company

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

Show all 11 plans from Oscar Insurance Company
Oscar Insurance Company plans
Plan Plan type Network tier New patients
Bronze Classic 4700 EPO · Expanded Bronze Preferred Accepting 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 Diabetes EPO · Expanded Bronze Preferred Accepting new patients
Gold Classic Standard EPO · Gold Preferred Accepting new patients
Gold Simple EPO · Gold Preferred Accepting new patients
Silver Classic Standard EPO · Silver Preferred Accepting new patients
Silver Elite Saver Plus 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

UnitedHealthcare

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

Show all 13 plans from UnitedHealthcare
UnitedHealthcare plans
Plan Plan type Network tier New patients
UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) EPO · Expanded Bronze Non Preferred Accepting new patients
UHC Bronze Essential (No Referrals) EPO · Bronze Non Preferred Accepting new patients
UHC Bronze Standard (No Referrals) EPO · Expanded Bronze Non Preferred Accepting new patients
UHC Bronze Standard+ (Dental + Vision, No Referrals) EPO · Expanded Bronze Non Preferred Accepting new patients
UHC Gold Advantage ($0 Virtual Urgent Care, No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Gold Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Gold Standard (No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Silver Advantage ($0 Virtual Urgent Care, No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Standard (No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Standard+ (Dental + Vision, No Referrals) EPO · Silver Non 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. Mathavi Sahadevan 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. Mathavi Sahadevan is enrolled to bill Medicare as a Practitioner - Internal Medicine .

Bills through: Allergy, Asthma & Sinus Care Center, Llc

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 2017

Additional Specialities

  • Resident

Affiliated hospitals

SSM HEALTH ST MARY'S HOSPITAL -CENTRALIA
400 NORTH PLEASANT AVENUE
CENTRALIA, 62801 IL
(618) 436-8000
SSM HEALTH - GOOD SAMARITAN HOSPITAL
1 GOOD SAMARITAN WAY
MOUNT VERNON, 62864 IL
(618) 899-1469

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Questions & Answers

Has Dr. Mathavi Sahadevan affiliation with hospitals?

Dr. Mathavi Sahadevan is affiliated with SSM HEALTH ST MARY'S HOSPITAL -CENTRALIA. For the full list of hospitals see this list.

Where can you meet with Dr. Mathavi Sahadevan?

Dr. Mathavi Sahadevan's office is located at 16216 Baxter Road Suite 299 in Chesterfield, MO 63017.

What conditions does Dr. Mathavi Sahadevan treat?

Dr. Mathavi Sahadevan provides treatment for Arthritis, Chronic Obstructive Pulmonary Disease (COPD), Gastroesophageal Reflux Disease (GERD), High Blood Pressure, Hyperlipidemia, Inguinal Hernia. For the full list see this list.

Does Dr. Mathavi Sahadevan accept insurance?

Dr. Mathavi Sahadevan is listed in-network for 43 ACA Marketplace (Obamacare/HealthCare.gov) plans from Anthem Blue Cross and Blue Shield, Medica, Oscar Insurance Company, UnitedHealthcare. See the Marketplace plans section for details.