Two board-certified physicians, one focus: care that
takes the long view. Headquartered in Lone Tree, serving
the south Denver metro and beyond.
Our story
2 3 paragraphs telling the founding story of the practice. Why did you decide to start an independent practice? What did you want to build that didn’t exist? How does the partnership work?
This section humanizes the practice and creates a narrative that differentiates them from a hospital system or large group
practice. It should feel personal and specific, not boilerplate “we are committed to excellence” language.
Third paragraph: where you are now and where you’re headed. The decision to launch under the Breathe brand, the
metabolic + longevity expansion, what’s next.
Practice milestones
Drs. Gupta and Martin finalize plans to open an independent practice in Littleton.
Breathe Lung and Longevity (formerly Mile High Pulmonary Critical Care) officially opens.
New office location in Lone Tree, CO is opened.
Accepting new patients across pulmonary, metabolic health, and performance optimization.
Your providers
Two board-certified specialists. Same practice. Different focus areas coordinated care across
pulmonary, critical care, metabolic health, and longevity.

Pulmonary · Critical care
Board-certified pulmonologist and critical care.
Pulmonary medicine
Critical care
Internal medicine
Advanced Bronchoscopy
Dr. Gupta completed his undergraduate degree with a Bachelor of Science in Bio-Medical Engineering. He attended medical school at Des Moines University, College of Osteopathic Medicine. He went on to complete his Internal Medicine residency and pulmonary/critical fellowship at Mclaren Oakland Hospital in Pontiac, MI. After graduating in 2017, he moved with his wife and kids to Denver, CO and joined a private practice. He enjoys golfing, hiking, woodworking, and spending time with his family. He has a special interest in Advanced Bronchoscopy.
Des Moines University, College of Osteopathic Medicine, 2011
Mclaren, Oakland
Mclaren, Oakland
Board Certified in Internal Medicine, Board Certified in Pulmonary Medicine, Board Certified in Critical Care Medicine, Board Certified in Advanced Bronchoscopy

Metabolic health · Wellness
Dr. Eric Martin completed his undergraduate degree in Biomedical Sciences at Texas A&M University, graduating Magna Cum Laude. He attended medical school at Texas Tech University, where he graduated Alpha Omega Alpha (AOA). He completed his internal medicine training at the University of Colorado, and then practiced there as a hospitalist for roughly 6 years, while earning his MBA. He then attended Critical Care fellowship at the Cleveland Clinic in Cleveland, Ohio. He maintains interest in echocardiography, and is currently certified in Critical Care Echocardiography. He is interested in advanced echocardiography, obesity medicine, and nutritional science as it applies to critical care medicine.
Metabolic health
Weight optimization
Performance
Pulmonary Critical Care
Placeholder bio, 4 – 6 sentences.
Texas Tech University
University of Colorado
Critical Care Fellowship, Cleveland Clinic
Board Certified in Critical Care Echocardiography
Our philosophy
“Placeholder quote from one of the doctors about their approach to patient care.
Something specific, honest, and human.”
Dr. Nitin Gupta, DO| Co-Founder, Breathe Lung & Longevity
“Placeholder quote from one of the doctors about their approach to patient care.
Something specific, honest, and human.”
Dr. Eric Martin, MD, MBA| Co-Founder, Breathe Lung & Longevity
01
[Philosophy pillar 1]
Placeholder: "We treat the whole patient, not just the presenting condition." 1 2 sentences expanding on this.
02
[Philosophy pillar 2]
Placeholder: "Longer appointments mean better outcomes." Specific, not generic.
03
[Philosophy pillar 3]
Placeholder: Direct physician access, not a phone tree." Something concrete that differentiates them.
04
[Philosophy pillar 4]
Placeholder: "Evidence-based care means staying current, not comfortable."
What patients say
From the patients we’ve had the privilege of treating, real reviews from across the Denver metro area.
“Dr. Gupta took the time to actually explain my diagnosis and walk through every option. I never felt rushed. Truly a different experience from my last specialist.”
“Dr. Gupta took the time to actually explain my diagnosis and walk through every option. I never felt rushed. Truly a different experience from my last specialist.”
“Dr. Gupta took the time to actually explain my diagnosis and walk through every option. I never felt rushed. Truly a different experience from my last specialist.”
Posted on Google![]()
Leslie PowersTrustindex verifies that the original source of the review is Google.
Dr. Gupta listens to me, is incredibly supportive, knowledgeable and down to earth. His administrative staff is responsive, also knowledgeable and consistently follows up. I’m sure glad he’s on my team!Posted on Google![]()
Kim HarrisonTrustindex verifies that the original source of the review is Google.
Finally feel like I am getting the help I need..Posted on Google![]()
James AshleyTrustindex verifies that the original source of the review is Google.
Dr. Gupta cares, speaks honestly, and listens.Posted on Google![]()
deborah sanchezTrustindex verifies that the original source of the review is Google.
Absolutely fantastic care! Dr. Gupta and his staff are number one. We could not be in any better care. Recommend them to everyone.Posted on Google![]()
Donny OBryanTrustindex verifies that the original source of the review is Google.
I've been suffering with breathing issues for a long time. It wasn't until I started seeing dr. Gupta that I've seen positive results.! I am so happy and grateful.
Accepting new patients in Lone Tree, CO. Request an appointment and
we’ll be in touch within one business day.