Physician Profile
William M. Merhi, DO
Unclaimed ProfileAbout Dr. Merhi
Based in Grand Rapids, MI, William M. Merhi, DO is listed in the NPI registry under interventional cardiology. William graduated from Michigan State University College of Human Medicine in 1999. According to Medicare claims data, William cared for 261 Medicare patients across 264 services. The services billed most often include replacement of aortic valve through the skin and femoral artery, new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (616) 391-9415
- Email not available
Practice Locations
221 MICHIGAN ST NE STE 300
Grand Rapids, MI 49503
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
- AFib
- Arrhythmias
- Coronary artery disease
- Heart attack
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
- Chronic venous insufficiency
- Non-Healing Foot Sores From Poor Blood Flow
- Peripheral artery disease
Coronary disease
Heart failure
Heart muscle
Heart muscle conditions
Heart rhythm
Heart rhythm & blood flow
Heart valves
Structural & congenital
Structural heart
Valve disease
- Failing Artificial Heart Valve
- Mitral stenosis
- Narrowed Pulmonary Valve
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
- Laser Vein Treatment For Leg Swelling
- Leg Artery Stent
Circulatory support
Clot procedures
- Catheter Blood Clot Removal From Legs
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
Coronary stenting
- Bypass Graft Stenting
Diagnostic catheterization
Diagnostic tests
- Coronary Artery Spasm Test
- Coronary Microvascular Resistance Test
- Heart Muscle Biopsy
Diagnostics & monitoring
- Fractional flow reserve measurement
- Implantable Loop Recorder (Cardiac Monitor Implant)
- Intravascular ultrasound
Emergency heart procedures
- Clot Suction From Heart Arteries
Heart devices
Heart muscle
- Alcohol Ablation For Thickened Heart Muscle
Heart support
- Percutaneous ventricular-assist device placement
Imaging & diagnostics
Stenting
- Arm Artery Stent
- Mesenteric Artery Stenting
- Renal artery stenting
Structural heart repair
- Aortic Coarctation Stent
- Ventricular Septal Defect 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
- Transcatheter Tricuspid Valve Replacement
- Valve-In-Valve Heart Replacement
Vein procedures
- Iliac Vein Stenting
- Microfoam Vein Injection
- Radiofrequency Vein Closure
- Varicose Vein Medical Glue
Procedures Most Often Billed to Medicare
264 services · 261 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
54 | 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 |
21 | As often as other peers in Interventional Cardiology |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
13 | Too few peers to compare |
| Balloon dilation repair of aortic valve | Treatment | 92986 |
11 | Too few peers to compare |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
51 | More 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 |
32 | Less often than most peers in Interventional Cardiology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
27 | Less often than most peers in Interventional Cardiology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
25 | Less often than most peers in Interventional Cardiology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
18 | Less often than most peers in Interventional Cardiology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
12 | Less 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.
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 Grand Rapids 8
Same specialty, same city.
Trained at Michigan State University College of Human Medicine 7
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1999 at Michigan State University College of Human 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 8
Providers in MI who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Merhi?
Dr. Merhi is an interventional cardiologist in Grand Rapids, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Cardiology”.
NPI registry
What is Dr. Merhi's address?
Dr. Merhi is listed at 221 Michigan St Ne Ste 300, Grand Rapids, MI 49503. 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. Merhi?
The number on file is (616) 391-9415. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Merhi's NPI number?
Dr. Merhi's National Provider Identifier is 1386786044. 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. Merhi train?
Dr. Merhi attended Michigan State University College of Human Medicine, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Merhi been practicing?
Dr. Merhi has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Merhi perform?
According to Medicare billing data, Dr. Merhi 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 test to measure expiratory airflow and volume and balloon dilation repair of aortic valve, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Merhi confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Merhi. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.