Doctor profile · Federal record
Dr. William Chopp, MD
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Student in an Organized Health Care Education/Training Program · Anatomic Pathology & Clinical Pathology Physician · Grand Rapids, MI
- NPI 1619024585
- Accepts Medicare
- MIPS 82.7 / 100 · 2023
- 22 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
35 Michigan St Ne # Mc056
Grand Rapids, MI 495032514
(616) 267-2660
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- May 5, 2014
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State licenses (2)
- Tennessee #MD0000041950 · Michigan #4301095774
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619024585. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
907
Distinct HCPCS
8
Medicare allowed
$34,431
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 468 | 293 | $35 | |
88112 |
Cell examination of specimen, selective cellular enhancement technique | 132 | 113 | $26 | |
88173 |
Evaluation of fine needle aspirate with interpretation and report | 100 | 58 | $66 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 56 | 38 | $77 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 49 | 21 | $27 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 47 | 41 | $33 | |
88312 |
Special stained specimen slides to identify organisms including interpretation and report | 32 | 17 | $23 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 23 | 15 | $11 |
In context: peer comparison
Among 6 peers in Grand Rapids Anatomic Pathology & Clinical Pathology Physician, average services per provider: 97. This provider delivers 9.4× the peer median.Open Payments
Industry payments received
All-time total
$29
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 1 | $28.79 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. William Chopp's medical specialty?
Dr. William Chopp practices Anatomic Pathology & Clinical Pathology Physician in Grand Rapids, MI.
Where does Dr. William Chopp practice?
Dr. William Chopp practices at 35 Michigan St Ne # Mc056, Grand Rapids, MI 495032514. Office phone: 6162672660.
What is Dr. William Chopp's NPI?
Dr. William Chopp's National Provider Identifier (NPI) is 1619024585, issued by NPPES.
Does Dr. William Chopp accept Medicare assignment?
Yes. Dr. William Chopp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Chopp commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Cell examination of specimen, selective cellular enhancement technique (HCPCS 88112); Evaluation of fine needle aspirate with interpretation and report (HCPCS 88173). Source: CMS Medicare Physician & Other Practitioners file.