
27 Years of Experience
Accepting patients
Who is Dr. Altman, Cardiologist in Westminster, CO?
Dr. John David Altman, MD is a Cardiologist, who primarily practices in Westminster, CO with 2 additional practice locations. He has been practicing for over 27 years and is board certified. Dr. Altman completed his residency at Mayo Grad Sch Med/Mayo Fndn, Interventional Cardiology; Stanford Univ Hosp, Cardiovascular Diseases; Stanford Univ Hosp, Internal Medicine. Dr. Altman is fluent in English and Spanish, and is currently seeing new patients. Dr. Altman’s practice accepts Kaiser Permanente, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Altman’s office.
What are Areas of Expertise for Dr. Altman?
Dr. John David Altman, MD is a highly-rated, board-certified Cardiologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Altman empowers patients to confidently navigate their health journey, specializing in Angioplasty & Stent Replacement, and comprehensive wellness support. Serving the Westminster, CO community, Dr. Altman is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Altman go to medical school and complete their residency?
Residency: Mayo Grad Sch Med/Mayo Fndn, Interventional Cardiology; Stanford Univ Hosp, Cardiovascular Diseases; Stanford Univ Hosp, Internal Medicine | Stanford University Hospital
Medical School: University of Mn Med Sch-Minneapolis, Minneapolis Mn
Is Dr. Altman board certified as a Cardiologist?
Yes, Dr. John David Altman, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Altman speak?
Dr. Altman and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Cardiologist like Dr. Altman typically treat?
As a Cardiologist, Dr. Altman 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. Altman. 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:
- Hardening of the Arteries in the Heart without Chest Pain
- Unstable Angina
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
- Unstable Chest Pain
- Acute Coronary Syndrome
- Atherosclerotic Heart Disease with Unstable Angina
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
- I25110: Atherosclerotic heart disease of native coronary artery with unstable angina pectoris
Also known as:
- Atrial Fibrillation
- Afib
- A-fib
- Irregular heart rhythm
ICD-10 Codes:
- I480: Paroxysmal atrial fibrillation
- I4891: Unspecified atrial fibrillation
Also known as:
- Pre-Procedure Heart Examination
- Pre-Surgery Cardiac Checkup
- Heart Health Assessment (Before Procedure)
- Cardiovascular Clearance Exam
ICD-10 Codes:
- Z01810: Encounter for preprocedural cardiovascular examination
What procedures does a Cardiologist like Dr. Altman typically perform?
As a Cardiologist, Dr. Altman performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Altman. 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:
- Leg Artery Unblocking with Atherectomy and Angioplasty
- Femoral Artery Revascularization
- Popliteal Artery Atherectomy
- Leg Artery Angioplasty
- Peripheral Artery Disease Treatment
CPT Codes:
- 37225: Revascularization, endovascular, open or percutaneous, femoral, popliteal artery(s), unilateral; with atherectomy, includes angioplasty within the same vessel, when performed
Does Dr. Altman accept my insurance?
Dr. Altman accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Altman accept in Westminster, CO?
Dr. Altman in Westminster, 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
Blue Cross Blue Shield of North Dakota
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Federal government of the United States
Medicare
Oscar Health
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Altman's office located?
Dr. John David Altman's Primary Practice
14190 Orchard Pkwy Ste 270
Westminster, CO 80023
What is Dr. Altman's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Altman's National Provider Identifier (NPI) number is 1780680777.
What common questions do patients ask about Dr. Altman?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Altman
What is Dr. John David Altman's specialty?
Dr. Altman is a Cardiologist near Westminster, CO.
What does a Cardiologist do?
An internist specializing in cardiovascular diseases focuses on the diagnosis and management of complex heart and blood vessel conditions, including heart attacks and life-threatening arrhythmias.
Is this Dr. John David Altman affiliated with a ranked Castle Connolly Top Hospital?
No, Altman is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: CommonSpirit - St. Anthony Hospital, CommonSpirit - St. Anthony North 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
When to see a Cardiologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Cardiologist. 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 John David Altman accepting new patients in Westminster, CO?
Yes, Dr. John David Altman is accepting new patients at this time.
Does Dr. John David Altman offer online booking?
Please contact Dr. Altman's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John David Altman?
Please contact Dr. Altman's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John David Altman have?
Dr. John David Altman is certified by the American Board of Internal Medicine.
Other Cardiologist Near Westminster, CO
SP
Cardiologist
Dr. Saeed Payvar, MD is a Cardiologist, who primarily practices in Westminster, CO with 2 additional practice locations. He is board certified.
Westminster, CO

Cardiologist
Dr. Michael Ptasnik is a Cardiologist, who primarily practices in Lakewood, CO with 2 additional practice locations. He has been practicing for over 44 years and is board certified.
Lakewood, CO
DH
Cardiologist
Dr. David Halpin, MD is a Cardiologist, who primarily practices in Lakewood, CO with 2 additional practice locations.
Lakewood, CO