William Chopp, MD
Anatomic Pathology & Clinical Pathology Physician · Grand Rapids, MI
William Chopp, MD is an anatomic pathology & clinical pathology physician with a practice address in Grand Rapids, Michigan, and NPI 1619024585, issued on Jan 4, 2007. Check the license (Michigan 4301095774, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- William Chopp
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License numbers
- 4301095774 MI
MD0000041950 TN
Self-reported in NPPES; status is on the state search - Practice location
- 35 Michigan St NE # MC056, Grand Rapids, MI 49503
- Phone
- (616) 267-2660
- Enumerated
- Jan 4, 2007
- Record last updated
- May 5, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101102000064); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 2004
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 561 in Michigan → Look up another NPI →
Also registered at 35 Michigan St NE # MC056
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Kunak, DOAnatomic Pathology & Clinical Pathology Physician1891173647
Verify William Chopp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301095774Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 83.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $28.79
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 2,607 providers of this specialty with any payment received $3,565.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Michigan Pathology Specialists PCGrand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Chopp among 561 anatomic pathology & clinical pathology physician records in Michigan
William Chopp, MD is one of 561 anatomic pathology & clinical pathology physician records with a practice address in Michigan. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 40% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2004 · median 2002 among the 306 with a school on file
- Record last updated2014 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Michigan
There are 561 anatomic pathology & clinical pathology physician records in Michigan.
All 561 in Michigan → Every provider in Grand Rapids → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Kay Aardema, MDGrand Rapids, MI 495031407840051
- Britni BryantGrand Rapids, MI 495031881012425
- Mihaela Chiselite, M.D.Grand Rapids, MI 495031538390489
- Lindsey Durowoju, MDGrand Rapids, MI 495031174085799
- Brandon Ellsworth, MDGrand Rapids, MI 495031689848459
- David Graham, MDGrand Rapids, MI 495031285620435
- Rebecca Kunak, DOGrand Rapids, MI 495031891173647
- James Malleis, MDGrand Rapids, MI 495031255836847
Common questions
What is William Chopp, MD's NPI number?
William Chopp, MD's National Provider Identifier (NPI) is 1619024585, issued on Jan 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Chopp, MD located?
The NPPES record lists a practice address at 35 Michigan St NE # MC056, Grand Rapids, MI, 49503. Phone: (616) 267-2660. Providers update this record themselves, so call before visiting.
How can I verify William Chopp, MD's license?
NPPES lists Michigan license number 4301095774, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is William Chopp, MD's MIPS final score?
The 2023 MIPS final score is 83.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.