Dr. John Daniel Grigas
Dr. John D. Grigas
Last updated: Jul 8, 2007

Dr. John D. Grigas

  • Gender: Male
  • Experience: 44 years
  • Sole propriator: No
  • NPI: 1457339772

Dr. John D. Grigas MD

Pulmonologist

He is located at 800 Prudential Drive 4th Floor Main North in Jacksonville, FL 32207. Can help patients with the following: Cryptococcosis, Embolism, Emphysema, Hot Flashes, Influenza, Sarcoidosis. His National Provider Identifier (NPI) number is 1457339772. Appointment can be made via the phone number (904) 202-2963. He is affiliated with 2 practices.

Conditions treated

Dr. John Daniel Grigas, 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. John D. Grigas.

  • 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. John D. Grigas

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. John D. Grigas as in-network for the following 2026 plans.

Health plans

AvMed

Network data as of Aug 31, 2026, as reported by the insurer.

Show all 14 plans from AvMed
AvMed plans
Plan Plan type Network tier New patients
AvMed Entrust Bronze 600 (2026) (5 plan variants) HMO · Expanded Bronze Preferred Accepting new patients
AvMed Entrust Bronze 650 (2026) (5 plan variants) HMO · Expanded Bronze Preferred Accepting new patients
AvMed Entrust Expanded Bronze Standard (2026) (5 plan variants) HMO · Expanded Bronze Preferred Accepting new patients
AvMed Entrust Gold 125 (2026) (5 plan variants) HMO · Gold Preferred Accepting new patients
AvMed Entrust Gold 125 Dental+Vision (2026) (5 plan variants) HMO · Gold Preferred Accepting new patients
AvMed Entrust Gold Standard (2026) (5 plan variants) HMO · Gold Preferred Accepting new patients
AvMed Entrust Platinum 25 (2026) (3 plan variants) HMO · Platinum Preferred Accepting new patients
AvMed Entrust Platinum 25 Dental+Vision (2026) (3 plan variants) HMO · Platinum Preferred Accepting new patients
AvMed Entrust Platinum Standard (2026) (3 plan variants) HMO · Platinum Preferred Accepting new patients
AvMed Entrust Silver 350 (2026) (5 plan variants) HMO · Silver Preferred Accepting new patients
AvMed Entrust Silver 350 Dental+Vision (2026) (5 plan variants) HMO · Silver Preferred Accepting new patients
AvMed Entrust Silver 550 (2026) (5 plan variants) HMO · Silver Preferred Accepting new patients
AvMed Entrust Silver 550 Dental+Vision (2026) (5 plan variants) HMO · Silver Preferred Accepting new patients
AvMed Entrust Silver Standard (2026) (5 plan variants) HMO · 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. John D. Grigas 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. John D. Grigas is enrolled to bill Medicare as a Practitioner - Sleep Medicine (also registered under: Practitioner - Pulmonary Disease, Practitioner - Critical Care (intensivists)) .

Bills through: Respiratory Critical Care And Sleep Medicine Associates,inc

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

Aerocrine $500
GlaxoSmithKline $243
Actelion Pharmaceuticals $241

Other

Food and Beverage $1923
Other $500
Consulting $190

Additional Specialities

  • Internist

Affiliated practices

Baptist MD Anderson Cancer Physicians
1235 San Marco Boulevard
Jacksonville, 32207 FL
(904) 202-7300
Respiratory Critical Care & Sleep Medicine Association
800 Prudential Drive
Jacksonville, 32207 FL
(904) 202-2963

Looking for more Pulmonologists?

There are 9 other pulmonologists in this region.

Dr. Mark Alden Crowe
  • Gender: Male
  • Address: Suite 300 1325 San Marco Boulevard Jacksonville, 32207, FL
Dr. Jorge L. Alvarez
  • Gender: Male
  • Address: Suite 300 1325 San Marco Boulevard Jacksonville, 32207, FL
Dr. Richard Alton Reid
  • Gender: Male
  • Address: Suite 300 1325 San Marco Boulevard Jacksonville, 32207, FL
Dr. Aakash M. Modi
  • Gender: Male
  • Address: 400 Celebration Place Suite A290 Celebration, 34747, FL
Dr. Mohamed Omar Radwan
  • Gender: Male
  • Address: Suite 300 1325 San Marco Boulevard Jacksonville, 32207, FL
Dr. Eddy Gutierrez
  • Gender: Male
  • Address: Suite 300 1325 San Marco Boulevard Jacksonville, 32207, FL
Dr. Jason E. Lang
  • Gender: Male
  • Address: 807 Childrens Way Jacksonville, 32207, FL
Dr. Semaan Georges Kosseifi
  • Gender: Male
  • Address: Suite 300 1325 San Marco Boulevard Jacksonville, 32207, FL
Dr. Jennifer C. Fulton
  • Gender: Female
  • Address: Suite 300 1325 San Marco Boulevard Jacksonville, 32207, FL

Questions & Answers

What conditions does Dr. John Daniel Grigas treat?

Dr. John Daniel Grigas provides treatment for Cryptococcosis, Embolism, Emphysema, Hot Flashes, Influenza, Sarcoidosis. For the full list see this list.

Where can you meet with Dr. John Daniel Grigas?

Dr. John Daniel Grigas's office is located at 800 Prudential Drive 4th Floor Main North in Jacksonville, FL 32207.

Does Dr. John Daniel Grigas accept patients with AvMed?

Yes, Dr. John Daniel Grigas is listed in-network for AvMed through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Does Dr. John Daniel Grigas have affiliation with practices?

Dr. John Daniel Grigas is affiliated with Baptist MD Anderson Cancer Physicians. For the full list of practices see this list.