Doctor profile · Federal record
Dr. Ulrich Duffner, M.D.
Pediatric Hematology & Oncology Physician · Pediatrics Physician · Grand Rapids, MI
- NPI 1235342569
- 19 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
35 Michigan St Ne Fl 2
Grand Rapids, MI 495032514
(616) 267-1925
fax (616) 267-1005 - Mailing address
-
100 Michigan St Ne # Mc845
Grand Rapids, MI 495032560
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- May 8, 2025
- Specialty taxonomy
- 2080P0207X — NUCC code
- State license (1)
- Michigan #4301086993
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235342569. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$125
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| SOBI, INC | 1 | $124.99 |
By nature of payment
Frequently asked questions
What is Dr. Ulrich Duffner's medical specialty?
Dr. Ulrich Duffner practices Pediatric Hematology & Oncology Physician in Grand Rapids, MI.
Where does Dr. Ulrich Duffner practice?
Dr. Ulrich Duffner practices at 35 Michigan St Ne Fl 2, Grand Rapids, MI 495032514. Office phone: 6162671925.
What is Dr. Ulrich Duffner's NPI?
Dr. Ulrich Duffner's National Provider Identifier (NPI) is 1235342569, issued by NPPES.