Dr. Melissa N. Weis
Dr. Melissa N. Weis
Last updated: Mar 14, 2017

Dr. Melissa N. Weis

  • Gender: Female
  • Experience: 13 years
  • Graduation year: 2008
  • Sole propriator: No
  • NPI: 1821242462

Dr. Melissa N. Weis M.D.

Pulmonologist

She is located at 12700 Southfork Road in Saint Louis, MO 63128. Can help patients with the following: Cholecystitis, Chronic Obstructive Pulmonary Disease (COPD), Hyponatremia, Pulmonary Hypertension (PH), Sleep Apnea, Urethritis. Her National Provider Identifier (NPI) number is 1821242462. Appointment can be made via the phone number (314) 892-6565. She is affiliated with 2 practices and 1 hospitals.

Conditions treated

Dr. Melissa N. Weis, being an pulmonologist, 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. Melissa N. Weis.

  • Abdominal Pain
  • Acute Pain
  • Alpha-1 Antitrypsin Deficiency (AATD)
  • Anemia
  • Arthritis
  • Asbestosis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Blood Clots
  • Bronchiectasis
  • Bronchitis
  • Chest Pain
  • Cholecystitis
  • Chronic Cough
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Collapsed Lung
  • Common Cold
  • Constipation
  • Cryptococcosis
  • Cystic Fibrosis (CF)
  • Cystitis
  • Diarrhea
  • Edema
  • Embolism
  • Emphysema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Lung Cancer
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Peptic Ulcer
  • Pleural Effusion
  • Pleurisy
  • Pneumonia
  • Prescription Refill
  • Pulmonary Aspiration
  • Pulmonary Embolism (PE)
  • Pulmonary Fibrosis (PF)
  • Pulmonary Hypertension (PH)
  • Sarcoidosis
  • Sleep Apnea
  • Sleep Disorders
  • Smoking and Quitting Smoking
  • Tuberculosis (TB)
  • Urethritis
  • Urinary Tract Infection (UTI)

Procedures Performed by Dr. Melissa N. Weis

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Melissa N. Weis as in-network for the following 2026 plans.

Health plans

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

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. Melissa N. Weis 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. Melissa N. Weis is enrolled to bill Medicare as a Practitioner - Pulmonary Disease (also registered under: Practitioner - Internal Medicine) .

Bills through: Critical Care Services Pc

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

AstraZeneca $218
Boehringer Ingelheim $185
Aerocrine $118

Other

Food and Beverage $851
Travel and Lodging $20

Studies

Graduated in 2008

Additional Specialities

  • Internist

Affiliated practices

South County Pulmonology Associates
4850 Lemay Ferry Road
St. Louis, 63129 MO
(314) 892-6565
St. Anthony's Internal Medicine & Pediatrics
12700 Southfork Road
St. Louis, 63128 MO
(314) 543-5244

Affiliated hospitals

HSHS ST ELIZABETH'S HOSPITAL
ONE ST ELIZABETH BOULEVARD
O FALLON, 62269 IL
(618) 234-2120

Looking for more Pulmonologists?

There are 9 other pulmonologists in this region.

Dr. Zygmunt Orzechowski
  • Gender: Male
  • Address: 12700 Southfork Road Saint Louis, 63128, MO
Dr. Kasey Catherine Cornell
  • Gender: Female
  • Address: 10010 Kennerly Road Saint Louis, 63128, MO
Dr. Kurtis Matthew Munzer
  • Gender: Male
  • Address: 12700 Southfork Road Suite 280 Saint Louis, 63128, MO
Dr. Shyam S. Ivaturi
  • Gender: Male
  • Address: 12700 Southfork Road Suite 280 Saint Louis, 63128, MO
Dr. William F. Bzdawka
  • Gender: Male
  • Address: 12700 Southfork Road Suite 280 Saint Louis, 63128, MO
Dr. Hisham Taher
  • Gender: Male
  • Address: 12700 Southfork Road Saint Louis, 63128, MO
Dr. Gary Marklin
  • Gender: Male
  • Address: 12700 Southfork Road Saint Louis, 63128, MO
Dr. Lee Michael Demertzis
  • Gender: Male
  • Address: 10010 Kennerly Road Saint Louis, 63128, MO
Dr. Robert V. Griesbaum
  • Gender: Male
  • Address: 12700 Southfork Road Saint Louis, 63128, MO

Questions & Answers

Where can you meet with Dr. Melissa N. Weis?

Dr. Melissa N. Weis's office is located at 12700 Southfork Road in Saint Louis, MO 63128.

Does Dr. Melissa N. Weis have affiliation with practices?

Dr. Melissa N. Weis is affiliated with South County Pulmonology Associates. For the full list of practices see this list.

Does Dr. Melissa N. Weis accept patients with Medica?

Yes, Dr. Melissa N. Weis is listed in-network for Medica through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Has Dr. Melissa N. Weis affiliation with hospitals?

Dr. Melissa N. Weis is affiliated with HSHS ST ELIZABETH'S HOSPITAL.

What conditions does Dr. Melissa N. Weis treat?

Dr. Melissa N. Weis provides treatment for Cholecystitis, Chronic Obstructive Pulmonary Disease (COPD), Hyponatremia, Pulmonary Hypertension (PH), Sleep Apnea, Urethritis. For the full list see this list.