Dr. Jeffery J. Hallazgo
Dr. Jeffery J. Hallazgo
Last updated: May 10, 2021

Dr. Jeffery J. Hallazgo

  • Gender: Male
  • Experience: 37 years
  • Graduated from: University Of Missouri, Kansas City, School Of Medicine
  • Graduation year: 1984
  • Sole propriator: No
  • NPI: 1073538302

Dr. Jeffery J. Hallazgo M.D.

Emergency Physician

He is located at 714 Gravois Road Suite 100 in Fenton, MO 63026. Can help patients with the following: Acute Pain, Costochondritis, General Care, Migraine, Prescription Refill, Whiplash. His National Provider Identifier (NPI) number is 1073538302. Appointment can be made via the phone number (636) 326-6100. He is affiliated with 1 hospitals.

Conditions treated

Dr. Jeffery J. Hallazgo, being an emergency physician, 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. Jeffery J. Hallazgo.

  • Acute Pain
  • Altitude Sickness
  • Angina
  • Brain Aneurysm
  • Brain Hemorrhage
  • Broken Bone
  • Bruises
  • Choking
  • Common Cold
  • Coronavirus
  • Costochondritis
  • Febrile Seizure
  • Fever
  • Frostbite
  • General Care
  • Headache
  • Hematoma
  • Influenza
  • Insect Stings
  • Laceration
  • Migraine
  • Nausea and Vomiting
  • Phlebitis and Thrombophlebitis
  • Prescription Refill
  • Whiplash

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Jeffery J. Hallazgo 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 Jul 13, 2026, as reported by the insurer.

Show all 9 plans from Medica
Medica plans
Plan Plan type Network tier New patients
Balance by Medica Bronze $0 Copay PCP Visits EPO · Expanded Bronze Preferred Accepting new patients
Balance by Medica Bronze Premier EPO · Expanded Bronze Preferred Accepting new patients
Balance by Medica Expanded Bronze Standard EPO · Expanded Bronze Preferred Accepting new patients
Balance by Medica Gold $0 Copay PCP Visits EPO · Gold Preferred Accepting new patients
Balance by Medica Gold Share EPO · Gold Preferred Accepting new patients
Balance by Medica Gold Standard EPO · Gold Preferred Accepting new patients
Balance by Medica Silver $0 Copay PCP Visits EPO · Silver Preferred Accepting new patients
Balance by Medica Silver Share EPO · Silver Preferred Accepting new patients
Balance by Medica Silver 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. Jeffery J. Hallazgo 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. Jeffery J. Hallazgo is enrolled to bill Medicare as a Practitioner - Emergency Medicine .

Bills through: Mercy Hospitals East Communities

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

UNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE

Graduated in 1984

Affiliated hospitals

MERCY HOSPITAL ST LOUIS
615 NEW BALLAS ROAD
SAINT LOUIS, 63141 MO
(314) 569-6000

Looking for more Emergency Physicians?

There are 8 other emergency physicians in this region.

Dr. Akeeb Adedokun
  • Gender: Male
  • Address: 5058 Romaine Spring Drive Fenton, 63026, MO
Dr. Stephen Slowik
  • Gender: Male
  • Address: 1015 Bowles Avenue Fenton, 63026, MO
Dr. James R. Taylor
  • Gender: Male
  • Address: 1015 Bowles Avenue Fenton, 63026, MO
Dr. Waleska Larice
  • Gender: Female
  • Address: 1015 Bowles Avenue Fenton, 63026, MO
Dr. Joseph Theodore Young
  • Gender: Male
  • Address: 1015 Bowles Avenue Fenton, 63026, MO
Dr. Matthew Schwab
  • Gender: Male
  • Address: 10010 Kennerly Road Saint Louis, 63128, MO

Questions & Answers

Where can you meet with Dr. Jeffery J. Hallazgo?

Dr. Jeffery J. Hallazgo's office is located at 714 Gravois Road Suite 100 in Fenton, MO 63026.

Does Dr. Jeffery J. Hallazgo accept insurance?

Dr. Jeffery J. Hallazgo is listed in-network for 19 ACA Marketplace (Obamacare/HealthCare.gov) plans from Anthem Blue Cross and Blue Shield, Medica. See the Marketplace plans section for details.

Has Dr. Jeffery J. Hallazgo affiliation with hospitals?

Dr. Jeffery J. Hallazgo is affiliated with MERCY HOSPITAL ST LOUIS.

What conditions does Dr. Jeffery J. Hallazgo treat?

Dr. Jeffery J. Hallazgo provides treatment for Acute Pain, Costochondritis, General Care, Migraine, Prescription Refill, Whiplash. For the full list see this list.