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Accepting patients
Who is Dr. Chretien, Emergency Medicine Specialist in Nashua, NH?
Dr. John Chretien, MD is an Emergency Medicine Specialist, who primarily practices in Nashua, NH with 1 additional practice location. He is board certified by the American Board of Emergency Medicine. Dr. Chretien graduated from Texas A&M University and completed his residency at Univ Hosp-Suny Stony Brook, Emergency Medicine. Dr. Chretien is fluent in English, and is currently seeing new patients. Dr. Chretien’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chretien’s office at (603) 577-2500.
Where did Dr. Chretien go to medical school and complete their residency?
Residency: Univ Hosp-Suny Stony Brook, Emergency Medicine | University Hospital - SUNY at Stony Brook Program
Medical School: University of Tx Med Branch Galveston, Galveston Tx | Texas A&M University
Is Dr. Chretien board certified in Emergency Medicine Specialist?
Yes, Dr. John Chretien, MD is board certified by the American Board of Emergency Medicine
What languages does Dr. Chretien speak?
Dr. Chretien and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Chretien treat?
As a Emergency Medicine Specialist, Dr. Chretien diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Chretien. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Pectoral pain
ICD-10 Codes:
- R0789: Other chest pain
Also known as:
- Nausea and Vomiting
- Vomiting
- Feeling Sick and Throwing Up
- Stomach Flu Symptoms
- Queasy and Vomiting
- Throwing up
- Emesis
- Puking
ICD-10 Codes:
- R112: Nausea with vomiting, unspecified
- R1110: Vomiting, unspecified
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
Also known as:
- Headache
- Head pain
- Cephalalgia
- Tension headache
ICD-10 Codes:
- R519: Headache, unspecified
Also known as:
- COVID-19
- COVID-19 (Coronavirus Disease 2019)
- Coronavirus Disease 2019
- SARS-CoV-2 Infection
- Novel Coronavirus
ICD-10 Codes:
- U071: COVID-19
Also known as:
- Fever
- High temperature
- Pyrexia
- Elevated body temperature
ICD-10 Codes:
- R509: Fever, unspecified
Also known as:
- Common Cold
- Upper Respiratory Infection
- Head Cold
- Cold Symptoms
ICD-10 Codes:
- J069: Acute upper respiratory infection, unspecified
Also known as:
- Urinary Tract Infection
- UTI
- Bladder infection
- Kidney infection
- Urine infection
ICD-10 Codes:
- N390: Urinary tract infection, site not specified
Also known as:
- Head Injury
- Head Injuries
- Head Trauma
- Cranial Injury
- Brain Injury
ICD-10 Codes:
- S0990XA: Unspecified injury of head, initial encounter
Also known as:
- Muscle Weakness
- Muscle Disorder
- Loss of strength
- Fatigue
- Muscle fatigue
ICD-10 Codes:
- R531: Weakness
Also known as:
- Fainting
- Syncope
- Passing out
- Collapse
ICD-10 Codes:
- R55: Syncope and collapse
Also known as:
- COPD Flare-Up
- COPD
- COPD Exacerbation
- Chronic Obstructive Pulmonary Disease Flare-Up
- Worsening COPD
- COPD Attack
ICD-10 Codes:
- J441: Chronic obstructive pulmonary disease with (acute) exacerbation
Also known as:
- Dizziness
- Dizziness and Vertigo
- Lightheadedness
- Giddiness
- Vertigo
ICD-10 Codes:
- R42: Dizziness and giddiness
Also known as:
- Viral Infection
- Virus Infection
- Viral Illness
- Common Virus
ICD-10 Codes:
- B349: Viral infection, unspecified
Also known as:
- Flu with Respiratory Symptoms
- Flu
- Influenza with Breathing Problems
- Flu with Cough
- Severe Flu
ICD-10 Codes:
- J101: Influenza due to other identified influenza virus with other respiratory manifestations
Also known as:
- Low Back Pain
- Back Pain
- Lumbago
- Lower Back Ache
- Backache
ICD-10 Codes:
- M5450: Low back pain, unspecified
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Pneumonia
- Lung Infection
- Chest Infection
- Pneumonitis
ICD-10 Codes:
- J189: Pneumonia, unspecified organism
Which procedures does Dr. Chretien perform as a Emergency Medicine Specialist?
As a Emergency Medicine Specialist, procedures performed by an Dr. John Chretien may include:
- Emergency Consultation
- Emergency Follow Up
- Emergency Medicine Consultation
- Removal of Foreign Object from Body
- Urgent Care Consultation
- Urgent Care Follow Up
For detailed information, please contact Dr. Chretien's office.
Does Dr. Chretien accept my insurance?
Dr. Chretien accepts most major insurance plans. Important: Please call our office at (603) 577-2500 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chretien accept in Nashua, NH?
Dr. Chretien in Nashua, NH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CVS Health (formerly Aetna)
Department of Veterans Affairs
Elevance Health Inc. (formerly Anthem)
Express Scripts
Humana
Medicare
Sentara Health System / Optima Health
State of Virginia
UnitedHealthcare
View All Insurances
Where is Dr. Chretien's office located?
What is Dr. Chretien's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Chretien's National Provider Identifier (NPI) number is 1841390556.
What common questions do patients ask about Dr. Chretien?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Chretien
What is Dr. John Chretien's specialty?
Dr. Chretien is a Emergency Medicine Specialist near Nashua, NH. An emergency physician is dedicated to making prompt decision and taking necessary actions essential for preventing death or additional disabilities. This role encompasses guiding emergency medical technicians in pre-hospital environments as well as providing care within the emergency department. The emergency physician is responsible for the immediate identification, evaluation, treatment, stabilization, and arrangement of a diverse array of adult and pediatric patients facing acute illnesses and injuries. Contact Dr. Chretien to book an appointment today.
Is this Dr. John Chretien affiliated with a ranked Castle Connolly Top Hospital?
No, Chretien is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Sentara Halifax Regional Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Emergency Medicine Specialist?
Explore Emergency Medicine Specialist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is John Chretien accepting new patients in Nashua, NH?
Yes, Dr. John Chretien is accepting new patients at this time.
Does Dr. John Chretien offer online booking?
Please contact Dr. Chretien's office at (603) 577-2500 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Chretien?
Please contact Dr. Chretien's office at (603) 577-2500 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Chretien have?
Dr. John Chretien is certified by the American Board of Emergency Medicine.
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