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Edit this profileAt a glance
- 2431 S. M-30, West Branch, MI 48661
About Dr. Sierra
Mark A. Sierra, MD is a healthcare provider in West Branch, MI specializing in cardiovascular disease. Medicare claims data shows Mark provided 852 services to 810 patients. The services billed most often include ultrasound of heart with color-depicted blood flow, rate, direction and valve function, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician. This provider record is associated with NPI 1639381593.
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
- (989) 343-3264
- Email not available
Practice Locations
2431 S. M-30
West Branch, MI 48661
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease 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
- AFib
- Congestive heart failure
- Heart attack
- Heart disease
- High blood pressure
- High cholesterol
Coronary and ischemic heart disease
- Coronary artery disease
- Stable angina
Heart failure and cardiomyopathy
- Hypertrophic cardiomyopathy
- Myocarditis
- Pericardial effusion
Heart rhythm
- Slow heart rate (bradycardia)
- Supraventricular tachycardia
Symptoms and functional disorders
- Fainting and syncope
- Heart palpitations
- Postural orthostatic tachycardia syndrome
Valve and structural heart
- Aortic stenosis
- Mitral regurgitation
- Mitral valve prolapse
- Patent foramen ovale
Vascular and risk factors
- Aortic aneurysm
- Carotid artery disease
- Familial hypercholesterolemia
- Resistant hypertension
Artery & vascular
- Peripheral Artery Disease (PAD)
Heart inflammation
- Pericarditis (Heart Sac Inflammation)
Heart muscle
- Poor Circulation and Swollen Legs
Heart valves
- Heart Murmur
Vascular disease
- High Blood Pressure in the Lungs (Pulmonary Hypertension)
Procedures & services
Most searched procedures
- Echocardiogram
- EKG
- Heart monitor
- Heart stent
- Pacemaker surgery
- Stress test
Office and noninvasive testing
- Ambulatory blood-pressure monitoring
Advanced imaging
- Cardiac magnetic resonance imaging
- Nuclear cardiac stress imaging
Consultations
- Preventive Cardiology Consultation
Diagnostic testing
- Cardiopulmonary Exercise Testing (CPET)
- Tilt Table Test
Diagnostics
- Electrophysiology Study (EP Study)
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
- Heart CT Scan (Cardiac CT)
Heart procedures
- Heart Fluid Drainage (Pericardiocentesis)
Heart rhythm procedures
- Radiofrequency ablation
Imaging
- Heart Calcium Scan
- Transesophageal Echocardiogram for Kids
Implants
- Defibrillator Implant (ICD)
Recovery & rehabilitation
- Cardiac Rehabilitation Program
Vascular imaging
- Carotid Ultrasound
- Leg Circulation Test (ABI and Arterial Doppler)
Procedures Most Often Billed to Medicare
852 services · 810 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
309 | As often as other peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
210 | As often as other peers in Cardiovascular Disease |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
191 | More than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
66 | As often as other peers in Cardiovascular Disease |
| Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report | Treatment | 93351 |
22 | As often as other peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
21 | Less often than most peers in Cardiovascular Disease |
| Ultrasound of heart blood flow, valves and chambers | Treatment | 93320 |
21 | As often as other peers in Cardiovascular Disease |
| Ultrasound of heart, follow-up | Treatment | 93308 |
12 | Less often than most peers in Cardiovascular Disease |
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.
Other cardiologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 8
Providers in MI who bill this service to Medicare most often.
Common questions
What is Dr. Sierra's specialty?
Dr. Sierra is a cardiologist in West Branch, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Where can I find Dr. Sierra?
Dr. Sierra is listed at 2431 S. M-30, West Branch, MI 48661. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Sierra?
The number on file is (989) 343-3264. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Sierra?
Dr. Sierra's National Provider Identifier is 1639381593. 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
What is Dr. Sierra's medical education?
Dr. Sierra attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Sierra have?
Dr. Sierra has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Sierra known for?
According to Medicare billing data, Dr. Sierra provides treatments such as ultrasound of heart with color-depicted blood flow, rate, direction and valve function and routine electrocardiogram using at least 12 leads with interpretation and report only. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Sierra's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sierra. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.