JP
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Portnoy, Critical Care Internist in Littleton, CO?
Dr. Joshua Portnoy, MD is a Critical Care Internist, who primarily practices in Littleton, CO with 1 additional practice location. Dr. Portnoy graduated from McGill University Faculty of Medicine and completed his residency at McGill University. Dr. Portnoy is fluent in English, and is currently seeing new patients. Dr. Portnoy’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Portnoy’s office at (303) 952-1100.
Where did Dr. Portnoy go to medical school and complete their residency?
Residency: McGill University | University of Colorado Program A
Medical School: McGill University Faculty of Medicine
What languages does Dr. Portnoy speak?
Dr. Portnoy and their clinical team can communicate with patients in the following languages:
English
What conditions does a Critical Care Internist like Dr. Portnoy typically treat?
As a Critical Care Internist, Dr. Portnoy 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. Portnoy. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Obstructive Sleep Apnea
- Sleep Apnea
- Obstructive sleep apnea
- OSA
- Blocked airway during sleep
- Snoring and gasping during sleep
ICD-10 Codes:
- G4733: Obstructive sleep apnea (adult) (pediatric)
Also known as:
- Acute Bronchiolitis
- Bronchial Disorder
- Inflammation of small airways
- Bronchiole infection
- Acute lung inflammation
ICD-10 Codes:
- J219: Acute bronchiolitis, unspecified
Also known as:
- COPD
- Chronic Obstructive Pulmonary Disease
- Chronic Lung Disease
- Emphysema and Chronic Bronchitis
ICD-10 Codes:
- J449: Chronic obstructive pulmonary disease, unspecified
Also known as:
- Interstitial Lung Disease
- ILD
- Diffuse Parenchymal Lung Disease
- Chronic Lung Disease
ICD-10 Codes:
- J849: Interstitial pulmonary disease, unspecified
What procedures does a Critical Care Internist like Dr. Portnoy typically perform?
As a Critical Care Internist, procedures performed by Dr. Joshua Portnoy may include:
- Arterial Line Placement
- Critical Care Consultation
- Critical Care Follow Up
- Intensive Critical Care Consultation
- Intensive Critical Care Follow Up
Please contact Dr. Portnoy's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Portnoy accept my insurance?
Dr. Portnoy accepts most major insurance plans. Important: Please call our office at (303) 952-1100 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Portnoy accept in Littleton, CO?
Dr. Portnoy in Littleton, CO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield of Michigan
Cigna Group
Medicare
UnitedHealth Group
View All Insurances
Where is Dr. Portnoy's office located?
What hospitals are Dr. Portnoy affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Portnoy has admitting privileges at the following hospitals:
Uchealth Highlands Ranch Hospital,Highlands Ranch, CO
Ranked Cancer Surgery

Ranked Mastectomy

Uchealth Highlands Ranch Hospital,Highlands Ranch, CO
Ranked Cancer Surgery
Ranked Mastectomy
Adventhealth Littleton,Littleton, CO
Adventhealth Littleton,Littleton, CO
National Jewish Health Main Campus,Denver, CO
National Jewish Health Main Campus,Denver, CO
Adventhealth Porter,Denver, CO
Adventhealth Porter,Denver, CO
Adventhealth Castle Rock,Castle Rock, CO
Adventhealth Castle Rock,Castle Rock, CO
What is Dr. Portnoy's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Portnoy's National Provider Identifier (NPI) number is 1952362154.
What common questions do patients ask about Dr. Portnoy?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Portnoy
What is Dr. Joshua Portnoy's specialty?
Dr. Portnoy is a Critical Care Internist near Littleton, CO.
What does a Critical Care Internist do?
An internist specializing in the diagnosis, treatment, and support of patients with multiple organ dysfunction. This specialist may hold administrative responsibilities within intensive care units and plays a key role in facilitating and coordinating patient care among primary physicians, critical care staff, and other specialists.
Is Dr. Joshua Portnoy affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Portnoy is affiliated with Uchealth Highlands Ranch Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They 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
When to see a Critical Care Internist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Critical Care Internist. Explore 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 Dr. Joshua Portnoy accepting new patients in Littleton, CO?
Yes, Dr. Joshua Portnoy is accepting new patients at this time.
Does Dr. Joshua Portnoy offer online booking?
Please contact Dr. Portnoy's office at (303) 952-1100 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. Joshua Portnoy?
Please contact Dr. Portnoy's office at (303) 952-1100 to schedule an appointment.
Where is Dr. Portnoy's office located?
Dr. Portnoy's office is located in Littleton, CO.
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