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- 12605 E 16Th Ave, Aurora, CO 80045
About Dr. Messenger
John Messenger, MD practices interventional cardiology in Aurora, CO. John is a 1993 graduate of University of Southern California Keck School of Medicine. Medicare claims data shows John provided 633 services to 568 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1770673451.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (720) 848-0000
- Email not available
Practice Locations
12605 E 16TH AVE
Aurora, CO 80045
Conditions Commonly Evaluated or Treated
Within Interventional Cardiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Artery blockages
- Aortic aneurysm
- Carotid Artery Blockage
- Completely Blocked Heart Artery
- Microvascular angina
- Re-Blocked Heart Stent
- Severely Calcified Heart Arteries
- Torn Heart Artery
Blood clots
Blood pressure
Chest symptoms
Circulation & veins
Coronary disease
Heart failure
Heart muscle
Heart muscle conditions
Heart rhythm
Heart rhythm & blood flow
Heart valves
Structural & congenital
Structural heart
Valve disease
Vascular disease
- Leg Cramps When Walking
- Narrow kidney artery
- Stomach Pain After Eating From Arteries
- Subclavian Steal Syndrome
Vein conditions
Procedures & services
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Artery procedures
- Atherectomy
- Carotid Artery Stent
- Drug-Coated Balloon Treatment
- Minimally Invasive Aneurysm Repair
- Opening Chronic 100% Blocked Heart Arteries
- Shockwave Plaque Busting In Heart Arteries
Blood pressure procedures
Circulation & limbs
Circulatory support
Clot procedures
- Catheter Blood Clot Removal From Legs
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
Coronary stenting
Diagnostic catheterization
Diagnostic tests
Diagnostics & monitoring
- Fractional flow reserve measurement
- Implantable Loop Recorder (Cardiac Monitor Implant)
- Intravascular ultrasound
Emergency heart procedures
Heart devices
Heart muscle
Heart support
Imaging & diagnostics
Stenting
Structural heart repair
Structural repair
Valve procedures
- Balloon Heart Valve Opening
- Leaky Artificial Heart Valve Repair
- Transcatheter aortic valve replacement
- Transcatheter mitral valve repair
- Transcatheter Pulmonary Valve Replacement
- TriClip Valve Repair
Valve replacement
Vein procedures
Procedures Most Often Billed to Medicare
633 services · 568 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
41 | More often than most peers in Interventional Cardiology |
| Placement and subsequent removal of device to protect brain from embolism through catheter using imaging guidance | Procedure | 33370 |
33 | More often than most peers in Interventional Cardiology |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
109 | More often than most peers in Interventional Cardiology |
| Insertion of tube in coronary artery for diagnosis with review by radiologist | Treatment | 93454 |
50 | More often than most peers in Interventional Cardiology |
| Insertion of tube in right heart chambers for measurement | Treatment | 93451 |
33 | More often than most peers in Interventional Cardiology |
| Insertion of tube in right heart chambers and coronary artery for diagnosis with review by radiologist | Treatment | 93456 |
19 | More often than most peers in Interventional Cardiology |
| Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel | Treatment | 92978 |
17 | Less often than most peers in Interventional Cardiology |
| Biopsy of heart muscle | Treatment | 93505 |
12 | Less often than most peers in Interventional Cardiology |
| Injection for imaging of aorta above heart valve with review by radiologist | Treatment | 93567 |
11 | Less often than most peers in Interventional Cardiology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
118 | More often than most peers in Interventional Cardiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other interventional cardiologists in Aurora 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at University of Southern California Keck School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Replacement of aortic valve through the skin and femoral artery 7
Providers in CO who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Messenger?
Dr. Messenger is an interventional cardiologist in Aurora, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Cardiology”.
NPI registry
What is Dr. Messenger's address?
Dr. Messenger is listed at 12605 E 16Th Ave, Aurora, CO 80045. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Messenger?
The number on file is (720) 848-0000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Messenger?
Dr. Messenger's National Provider Identifier is 1770673451. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Messenger train?
Dr. Messenger attended University of Southern California Keck School of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Messenger have?
Dr. Messenger has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Messenger perform?
According to Medicare billing data, Dr. Messenger performs procedures including replacement of aortic valve through the skin and femoral artery and placement and subsequent removal of device to protect brain from embolism through catheter using imaging guidance; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes and insertion of tube in coronary artery for diagnosis with review by radiologist, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Messenger's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Messenger. If this is you, claiming it is free.
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