WILLIAM M MERHI DO
NPI 1386786044
Internal Medicine - Interventional Cardiology in Grand Rapids, MI

Active since February 12, 2007PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
221 MICHIGAN ST NE STE 300, GRAND RAPIDS, MI 49503(616) 391-9415 Get Directions Write a Review

NPPES record last updated: March 14, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 3, 2021, Sep 16, 2019, Aug 19, 2016 (3 updates tracked since 2016).

About William M Merhi Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM M MERHI DO (NPI 1386786044) is an individual interventional cardiology provider in Grand Rapids, Michigan, licensed in Michigan (5101014174) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health United Hospital, and is a graduate of Michigan State University College Of Human Medicine (1999).

NPPES Registry Identity

NPI1386786044
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameWILLIAM M MERHICredential: DO
Location Address221 MICHIGAN ST NE STE 300Grand Rapids, MI 49503-2537
Mailing Address100 Michigan St Ne, Mc 845Grand Rapids, MI 49503-2560
Sole ProprietorNo
Medical School CMSMichigan State University College Of Human MedicineGraduated 1999
Enumeration DateFebruary 12, 2007
Last NPPES UpdateMarch 14, 20223 updates tracked since enumeration
NPPES CertifiedMarch 14, 2022
NPI 1386786044 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License Licensed in MI · 5101014174
Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

221 MICHIGAN ST NE STE 300, Grand Rapids, MI 49503

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

William M Merhi Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214038124
PECOS Enrollment IDI20070723000287
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Replacement of aortic valve through the skin and femoral artery 33361
This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.
54 services54 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
51 services51 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
32 services30 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
27 services27 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
25 services25 patients
Placement and subsequent removal of device to protect brain from embolism through catheter using imaging guidance 33370
This procedure involves inserting a device through a catheter to shield the brain from harmful blood clots (embolism). The process is monitored using imaging technology. After serving its purpose, the device is carefully removed through the same pathway.
21 services21 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Spectrum Health United Hospital

Acute Care Hospitals · Greenville, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230035
Location615 S Bower StreetGreenville, MI 48838 · Montcalm County
Birthing friendly

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Holland Community Hospital

Acute Care Hospitals · Holland, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230072
Location602 Michigan AveHolland, MI 49423 · Ottawa County
Emergency services Birthing friendly

Corewell Health Big Rapids Hospital

Acute Care Hospitals · Big Rapids, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230093
Location605 Oak StreetBig Rapids, MI 49307 · Mecosta County
Emergency services Birthing friendly

Corewell Health Gerber Hospital

Critical Access Hospitals · Fremont, MI
OwnershipVoluntary non-profit - Private
CMS Certification Number231338
Location212 S Sullivan StFremont, MI 49412 · Newaygo County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality87.54
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Surgery (Plastic and Reconstructive Surgery)
221 MICHIGAN ST NE STE 300
GRAND RAPIDS, MI 49503
Physician Assistant (Surgical)
221 MICHIGAN ST NE STE 300
GRAND RAPIDS, MI 49503
Thoracic Surgery (Cardiothoracic Vascular Surgery)
221 MICHIGAN ST NE STE 300
GRAND RAPIDS, MI 49503
Nurse Practitioner
221 MICHIGAN ST NE STE 300
GRAND RAPIDS, MI 49503
Nurse Practitioner
221 MICHIGAN ST NE STE 300
GRAND RAPIDS, MI 49503
Physician Assistant
221 MICHIGAN ST NE STE 300
GRAND RAPIDS, MI 49503
Nurse Practitioner
221 MICHIGAN ST NE STE 300
GRAND RAPIDS, MI 49503
Physician Assistant (Surgical)
221 MICHIGAN ST NE STE 300
GRAND RAPIDS, MI 49503

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Merhi's NPI number?

The NPI number for William Merhi is 1386786044. It was assigned to this individual provider in the NPPES registry on February 12, 2007.

Where is William Merhi located?

William Merhi practices at 221 Michigan St NE Ste 300, Grand Rapids, MI 49503. The listed phone number is (616) 391-9415.

What is William Merhi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is William Merhi enrolled in Medicare?

Yes. William Merhi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Merhi accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list William Merhi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Merhi affiliated with any hospitals?

According to CMS data, William Merhi is affiliated with Spectrum Health United Hospital, Spectrum Health, Holland Community Hospital, Corewell Health Big Rapids Hospital and Corewell Health Gerber Hospital.

When was this NPI record last updated?

The NPPES record for William Merhi was last updated on March 14, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.