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DR. ULRICH ANDREAS DUFFNER M.D.
NPI 1235342569
Pediatrics - Pediatric Hematology-Oncology in Grand Rapids, MI

Active since May 07, 2007PECOS EnrolledAccepts Medicare Assignment
35 MICHIGAN ST NE FL 2, GRAND RAPIDS, MI 49503(616) 267-1925(616) 267-1005 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 8, 2025, Mar 5, 2021 (2 updates tracked since 2021).

About Dr. Ulrich Andreas Duffner M.d. NPPES

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

DR. ULRICH ANDREAS DUFFNER M.D. (NPI 1235342569) is an individual pediatric hematology-oncology provider in Grand Rapids, Michigan, licensed in Michigan (4301086993) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1235342569
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameDR. ULRICH ANDREAS DUFFNERCredential: M.D.
Location Address35 MICHIGAN ST NE FL 2Grand Rapids, MI 49503-2514
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560 · (616) 486-6790
Phone(616) 267-1925
Fax(616) 267-1005
Sole ProprietorYes
Medical School CMSOtherGraduated 1990
Enumeration DateMay 7, 2007
Last NPPES UpdateMay 8, 20252 updates tracked since enumeration
NPPES CertifiedMay 8, 2025
✔ NPI 1235342569 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in MI · 4301086993
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedPediatricsTaxonomy 208000000X · License 4301086993 (MI)
35 MICHIGAN ST NE FL 2, Grand Rapids, MI 49503
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.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

Dr. Ulrich Andreas Duffner M.d. 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 ID8527107796
PECOS Enrollment IDI20091201000221
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.

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.

DR. ALLISON MARIE CHAMPNEY SCHNEPP M.D.
Pediatrics (Pediatric Hematology-Oncology)
35 MICHIGAN ST NE FL 2
GRAND RAPIDS, MI 49503
Kent County (616) 267-1925
SHARON H SMITH MD
Pediatrics (Pediatric Hematology-Oncology)
35 MICHIGAN ST NE FL 2
GRAND RAPIDS, MI 49503
Kent County (616) 267-1925
DAVID JACOB HOOGSTRA MD
Pediatrics (Pediatric Hematology-Oncology)
35 MICHIGAN ST NE FL 2
GRAND RAPIDS, MI 49503
Kent County (616) 267-1925
ERIN E BROENE NP
Nurse Practitioner (Pediatrics)
35 MICHIGAN ST NE FL 2
GRAND RAPIDS, MI 49503
Kent County (616) 267-1924
JOSUAH CHAVEZ PA-C
Physician Assistant
35 MICHIGAN ST NE FL 2
GRAND RAPIDS, MI 49503
Kent County (616) 267-1925
KELSEY JEAN VANDERWIERE CPNP-AC
Nurse Practitioner (Pediatrics)
35 MICHIGAN ST NE FL 2
GRAND RAPIDS, MI 49503
Kent County (616) 267-1925
MIKAYLA ELIZABETH PATEL MD
Pediatrics
35 MICHIGAN ST NE FL 2
GRAND RAPIDS, MI 49503
Kent County (616) 267-1925
MATTHEW GLEN PRIDGEON M.D.
Pediatrics
35 MICHIGAN ST NE FL 2
GRAND RAPIDS, MI 49503
Kent County (616) 267-1925

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 Ulrich Duffner's NPI number?

The NPI number for Ulrich Duffner is 1235342569. It was assigned to this individual provider in the NPPES registry on May 7, 2007.

Where is Ulrich Duffner located?

Ulrich Duffner practices at 35 Michigan St NE Fl 2, Grand Rapids, MI 49503. The listed phone number is (616) 267-1925.

What is Ulrich Duffner's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Ulrich Duffner enrolled in Medicare?

Yes. Ulrich Duffner 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 Ulrich Duffner accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Ulrich Duffner 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.

When was this NPI record last updated?

The NPPES record for Ulrich Duffner was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.