Dr. Leonard M. Hoffmann
Dr. Leonard M. Hoffmann
Last updated: Dec 2, 2020

Dr. Leonard M. Hoffmann

  • Gender: Male
  • Experience: 25 years
  • Graduated from: Loyola University Of Chicago, Stritch School Of Medicine
  • Graduation year: 1996
  • Sole propriator: No
  • NPI: 1174585665

Dr. Leonard M. Hoffmann M.D.

Family Physician

He is located at 1101 Highway K in O Fallon, MO 63366. Can help patients with the following: Common Cold, Diabetes, Headache, Osteoarthritis (OA), Osteoporosis, Pregnancy. His National Provider Identifier (NPI) number is 1174585665. Appointment can be made via the phone number (636) 379-4590. He is affiliated with 1 practices and 2 hospitals.

Conditions treated

Dr. Leonard M. Hoffmann, being an family 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. Leonard M. Hoffmann.

  • Abdominal Pain
  • Aging In Place
  • Anxiety
  • Arthritis
  • Asthma
  • Autism
  • Birth Control Counseling
  • Breastfeeding and Lactation
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Diabetes
  • Fever
  • General Care
  • Headache
  • Heart Disease
  • High Blood Pressure
  • Hyperlipidemia
  • Hypothyroidism
  • Infant Care
  • Influenza
  • Migraine
  • Mold Exposure
  • Nausea and Vomiting
  • Obesity
  • Osteoarthritis (OA)
  • Osteoporosis
  • Pregnancy
  • Prenatal Care
  • Prescription Refill
  • Thyroid Disease
  • Women's Health

Procedures Performed by Dr. Leonard M. Hoffmann

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

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

Health plans

Ambetter Health

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

Show all 16 plans from Ambetter Health
Ambetter Health plans
Plan Plan type Network tier New patients
Complete Gold EPO · Gold Preferred Accepting new patients
Complete Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Complete Silver EPO · Silver Preferred Accepting new patients
Complete Silver + Vision + Adult Dental EPO · Silver Preferred Accepting new patients
Elite Bronze EPO · Expanded Bronze Preferred Accepting new patients
Elite Bronze + Vision + Adult Dental EPO · Expanded Bronze Preferred Accepting new patients
Everyday Bronze EPO · Expanded Bronze Preferred Accepting new patients
Everyday Bronze + Vision + Adult Dental EPO · Expanded Bronze Preferred Accepting new patients
Everyday Gold EPO · Gold Preferred Accepting new patients
Everyday Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Standard Expanded Bronze EPO · Expanded Bronze Preferred Accepting new patients
Standard Expanded Bronze + Vision + Adult Dental EPO · Expanded Bronze Preferred Accepting new patients
Standard Gold EPO · Gold Preferred Accepting new patients
Standard Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Standard Silver EPO · Silver Preferred Accepting new patients
Standard Silver + Vision + Adult Dental EPO · Silver Preferred Accepting new patients

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

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. Leonard M. Hoffmann 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. Leonard M. Hoffmann is enrolled to bill Medicare as a Practitioner - Family Practice .

Bills through: Ssm Health Care St Louis

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.

Payments received

Drug payment

Boehringer Ingelheim $75
Amgen $15

Other

Food and Beverage $91

Studies

LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE

Graduated in 1996

Affiliated practices

SSM Health Medical Group
1551 Wall Street
St. Charles, 63303 MO
(636) 669-7006

Affiliated hospitals

SSM ST JOSEPH HEALTH CENTER
300 1ST CAPITOL DR
SAINT CHARLES, 63301 MO
(636) 947-5000
SSM ST JOSEPH HOSPITAL WEST
100 MEDICAL PLAZA
LAKE SAINT LOUIS, 63367 MO
(636) 625-5200

Looking for more Family Physicians?

Out of the 13 family physicians in this region, here are 10 randomly selected ones for you to explore.

Dr. John Frank Anzalone
  • Gender: Male
  • Address: 1055 East Terra Lane O Fallon, 63366, MO
Dr. Robert F. Holloway
  • Gender: Male
  • Address: 935 Green Briar Hills Drive O Fallon, 63366, MO
Dr. Amy Elizabeth Grawey
  • Gender: Female
  • Address: 207 East Pitman Street O Fallon, 63366, MO
Dr. Jyotirmaya Nanda
  • Gender: Male
  • Address: 1101 Highway K O Fallon, 63366, MO
Dr. Chris Feightner Blanner
  • Gender: Male
  • Address: Suite 222 300 Winding Woods Drive O Fallon, 63366, MO
Dr. Alyssa Leigh Keller
  • Gender: Female
  • Address: Suite 222 300 Winding Woods Drive O Fallon, 63366, MO
Dr. Wan In L. Koo
  • Gender: Female
  • Address: 1101 Highway K O Fallon, 63366, MO
Dr. Justin Andrew Steinkamp
  • Gender: Male
  • Address: 330 1st Capitol Drive Suite 245 Saint Charles, 63301, MO
Dr. Michael P. Hemmersmeier
  • Gender: Male
  • Address: 1101 Highway K O Fallon, 63366, MO

Questions & Answers

Does Dr. Leonard M. Hoffmann have affiliation with practices?

Dr. Leonard M. Hoffmann is affiliated with SSM Health Medical Group.

What conditions does Dr. Leonard M. Hoffmann treat?

Dr. Leonard M. Hoffmann provides treatment for Common Cold, Diabetes, Headache, Osteoarthritis (OA), Osteoporosis, Pregnancy. For the full list see this list.

Does Dr. Leonard M. Hoffmann accept patients with Anthem Blue Cross and Blue Shield?

Yes, Dr. Leonard M. Hoffmann is listed in-network for Anthem Blue Cross and Blue Shield through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Where can you meet with Dr. Leonard M. Hoffmann?

Dr. Leonard M. Hoffmann's office is located at 1101 Highway K in O Fallon, MO 63366.

Has Dr. Leonard M. Hoffmann affiliation with hospitals?

Dr. Leonard M. Hoffmann is affiliated with SSM ST JOSEPH HEALTH CENTER. For the full list of hospitals see this list.