Dr. Ulrich Andreas Duffner, MD

  • Grand Rapids, MI
  • Pediatrician
NPI1235342569PAC ID8527107796
Publications
38
Clinical trials
4
Hospital affiliations
1
Industry payments
$370
Medical group
1
Practice address
100 Michigan St NE, Grand Rapids, MI 49503
Practice phone
Call (616) 391-1774
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

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Dr. Ulrich Andreas Duffner is a pediatrician in Grand Rapids, Michigan

Dr. Duffner practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.

Dr. Duffner's NPI, 1235342569, was assigned on May 7, 2007. Dr. Duffner graduated from Albert Ludwigs University Faculty of Medicine in 1992. Dr. Duffner holds Michigan license 4301086993.

NPI and contact details
Medicare PAC ID
8527107796
NPI enumeration date
May 7, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(616) 391-1774
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
62
Medical school graduation
1992

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Ulrich Andreas Duffner practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan

Dr. Duffner's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth, at 100 Michigan St NE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 391-1774.

Source: Dmand AI Affiliation Data

Dr. Ulrich Andreas Duffner is affiliated with 1 site of care and 1 medical group

Dr. Duffner's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. The medical group on file is Corewell Health.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Ulrich Andreas Duffner's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duffner practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Corewell Health Grand Rapids Hospitals - ButterworthAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ulrich Andreas Duffner is one of 1,807 pediatricians in Michigan

Pediatrics is Dr. Duffner's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Duffner is board certified in pediatric hematology-oncology by the American Board of Pediatrics. Dr. Duffner is licensed in Michigan.

Specialties and state licenses

  • Pediatrics, MichiganPrimaryLicense 4301086993 · 2008 to 2027 · taxonomy 208000000X

Pediatricians near Dr. Duffner

Counts of pediatricians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Ulrich Andreas Duffner's patients have a median age of 15

Across all payers, Dmand AI patient panel data puts Dr. Duffner's median patient age at 15, with 43% women.

Dr. Duffner's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 15

Patient panel by sex, all payers

  • Women43%
  • Men57%

Source: Dmand AI Patient Panel Data

How Dr. Ulrich Andreas Duffner takes part in Medicare

Dr. Duffner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Dr. Ulrich Andreas Duffner has 38 publications on record

Dmand AI links 38 papers to Dr. Duffner, published from 2003 to 2025. 2015 was the busiest year, with 3. The most frequent topics are Transplantation, Homologous, Graft vs Host Disease and Hematopoietic Stem Cell Transplantation. Dr. Duffner has published most often in Blood. Dr. Duffner's most frequent co-authors are Aly S. Abdel-Mageed, MD, Kenneth Robert Cooke, MD and Gerhard Carl Hildebrandt, MD.

Papers38
Years published2003 to 2025

Dr. Duffner's papers by year, 2008 to 2025

Topics Dr. Duffner writes about most

  • Transplantation, Homologous
  • Graft vs Host Disease
  • Hematopoietic Stem Cell Transplantation
  • Bone Marrow Transplantation
  • Lymphocyte Activation
  • Mice, Inbred C57BL
  • Allografts
  • Bortezomib

Dr. Duffner's most frequent co-authors

Recent publications by Dr. Duffner

See all 38 publications and co-authors

See who Dr. Duffner researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Duffner works with, so you can find a warm path to the right pediatricians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ulrich Andreas Duffner has worked on 4 clinical trials

Dmand AI links Dr. Duffner to 4 clinical trials, 2 of them phase 1/2 studies. 1 is still active or recruiting. Conditions studied include Adenoviridae Infections, Anemia, Sickle Cell and Hematologic Neoplasms.

Clinical trials with Dr. Duffner by phase

  1. NonePhase 1: no trials
  2. 2Phase 1/2: 2 trials
  3. 1Phase 2: 1 trial
  4. NonePhase 3: no trials
  5. NonePhase 4: no trials

Conditions in Dr. Duffner's trials

  • Adenoviridae Infections
  • Anemia, Sickle Cell
  • Hematologic Neoplasms
  • Anemia, Hemolytic, Congenital
  • Cytomegalovirus Infections

Investigators on the most trials with Dr. Duffner

Recent clinical trials with Dr. Duffner

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Ulrich Andreas Duffner received $370 in industry payments from 2019 to 2024

CMS Open Payments shows 4 general payments to Dr. Duffner from 4 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 100% of the total. Sobi, Inc paid the most, $125.

General payments to Dr. Duffner by program year, 2019 to 2024

Companies that paid Dr. Duffner the most, 2019 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Duffner

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Ulrich Andreas Duffner graduated from Albert Ludwigs University Faculty of Medicine

Dr. Duffner graduated from Albert Ludwigs University Faculty of Medicine in 1992.

  1. Medical schoolAlbert Ludwigs University Faculty of Medicine
  2. Board certified in pediatric hematology-oncologyAmerican Board of Pediatrics
  3. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Ulrich Andreas Duffner accepts plans from 9 insurance carriers

Dr. Duffner is in network with 9 carriers, including Health Alliance Plan, Priority Health and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Health Alliance Plan
  • Priority Health
  • United Healthcare
  • Molina
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Regence Health Plans
  • +1 more carriersWith a free account

Plan types Dr. Duffner accepts, by number of carriers

  1. Medicare7
  2. PPO7
  3. HMO6
  4. POS3
  5. Medicaid2
  6. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ulrich Andreas Duffner's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Ulrich Andreas Duffner

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Ulrich Andreas Duffner's NPI number?

Dr. Ulrich Andreas Duffner's NPI number is 1235342569. It was assigned on May 7, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Ulrich Andreas Duffner?

Dr. Ulrich Andreas Duffner is a pediatrician in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).

Where does Dr. Ulrich Andreas Duffner practice?

Dr. Duffner practices at 100 Michigan St NE, Grand Rapids, MI 49503. Dr. Duffner's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.

What is Dr. Ulrich Andreas Duffner's office phone number?

The practice phone on file for Dr. Duffner is (616) 391-1774.

What is Dr. Ulrich Andreas Duffner's medical license number?

Dr. Duffner holds Michigan license 4301086993.

Which hospitals is Dr. Ulrich Andreas Duffner affiliated with?

Dr. Duffner practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan.

What medical group is Dr. Ulrich Andreas Duffner part of?

Dr. Duffner is linked to Corewell Health.

Does Dr. Ulrich Andreas Duffner accept Medicare?

Yes. CMS lists Dr. Duffner as accepting Medicare assignment.

Is Dr. Ulrich Andreas Duffner board certified?

Yes. Dr. Duffner is board certified in pediatric hematology-oncology by the American Board of Pediatrics.

Where did Dr. Ulrich Andreas Duffner go to medical school?

Dr. Duffner graduated from Albert Ludwigs University Faculty of Medicine in 1992.

Show 5 more questionsShow fewer questions

Has Dr. Ulrich Andreas Duffner received payments from drug or device companies?

CMS Open Payments shows $370 in general payments to Dr. Duffner from 4 companies from 2019 to 2024. The largest total came from Sobi, Inc.

How long has Dr. Ulrich Andreas Duffner been practicing?

Dr. Duffner graduated from medical school in 1992, 34 years ago.

Does Dr. Ulrich Andreas Duffner do research?

Dmand AI links 38 publications to Dr. Duffner, published from 2003 to 2025. Dr. Duffner has worked on 4 clinical trials.

Who does Dr. Ulrich Andreas Duffner publish with?

Dr. Duffner's most frequent co-authors are Aly S. Abdel-Mageed, MD (7 shared papers), Kenneth Robert Cooke, MD (5 shared papers) and Gerhard Carl Hildebrandt, MD (4 shared papers).

What insurance does Dr. Ulrich Andreas Duffner accept?

Dr. Duffner is in network with 9 carriers, including Health Alliance Plan, Priority Health and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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