Dr. Lars Grosse-Wortmann, MD

  • Portland, OR
  • Pediatric cardiology physician
NPI1588210157PAC ID9133551633
Publications
125
Clinical trials
1
Hospital affiliations
1
Industry payments
$21,182
Medical groups
3
Practice address
3181 SW Sam Jackson Park Road, Portland, OR 97239
Practice phone
Call (503) 494-9000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

OHSU Hospital

Hospital · Portland, Oregon

See all 5 affiliations

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Dr. Lars Grosse-Wortmann is a pediatric cardiology physician in Portland, Oregon

Dr. Grosse-Wortmann practices at OHSU Hospital in Portland, Oregon, part of State of Oregon.

Dr. Grosse-Wortmann's NPI, 1588210157, was assigned on August 9, 2019. Dr. Grosse-Wortmann holds Oregon license 185737.

NPI and contact details
Medicare PAC ID
9133551633
NPI enumeration date
August 9, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(503) 494-9000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
53
Medical school graduation
1999

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

Dr. Lars Grosse-Wortmann practices at OHSU Hospital in Portland, Oregon

Dr. Grosse-Wortmann's primary practice is OHSU Hospital, at 3181 SW Sam Jackson Park Road, Portland, OR 97239 in Multnomah County. The practice phone is (503) 494-9000.

  • OHSU Hospital
    3181 SW Sam Jackson Park Road, Portland, OR 97239 · Multnomah CountyPhone(503) 494-9000

Source: Dmand AI Affiliation Data

Dr. Lars Grosse-Wortmann is affiliated with 2 sites of care and 3 medical groups

Dr. Grosse-Wortmann's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. The medical group on file is Oregon Health & Science University (OHSU). Dmand AI also links Dr. Grosse-Wortmann to 2 more medical groups and 1 clinical lab, each named with a free account.

See all 5 affiliations for Dr. Grosse-Wortmann

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

Dmand AI tracks the EHR system at Dr. Lars Grosse-Wortmann's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grosse-Wortmann practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
OHSU HospitalAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Grosse-Wortmann practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across State of Oregon and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Lars Grosse-Wortmann is one of 26 pediatric cardiology physicians in Oregon

Pediatric cardiology is Dr. Grosse-Wortmann's primary specialty in the NPI Registry, under taxonomy code 2080P0202X. Dr. Grosse-Wortmann is licensed in Oregon.

Specialties and state licenses

  • Pediatric cardiology, OregonPrimaryLicense 185737 · taxonomy 2080P0202X

Pediatric cardiology physicians near Dr. Grosse-Wortmann

Counts of pediatric cardiology physicians 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. Lars Grosse-Wortmann's patients have a median age of 11

Across all payers, Dmand AI patient panel data puts Dr. Grosse-Wortmann's median patient age at 11, with 53% women.

Dr. Grosse-Wortmann's patients across all payers

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

Patient panel by age, all payers

Median age 11

Patient panel by sex, all payers

  • Women53%
  • Men47%

Source: Dmand AI Patient Panel Data

How Dr. Lars Grosse-Wortmann takes part in Medicare

Dr. Grosse-Wortmann 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. Lars Grosse-Wortmann has 125 publications on record

Dmand AI links 125 papers to Dr. Grosse-Wortmann, published from 2008 to 2025. 2016 was the busiest year, with 14. The most frequent topics are Magnetic Resonance Imaging, Magnetic Resonance Imaging, Cine and Heart Defects, Congenital. Dr. Grosse-Wortmann has published most often in J Cardiovasc Magn Reson. Dr. Grosse-Wortmann's most frequent co-authors are Glen Scott Van Arsdell, MD, Andrew Redington and Christopher Caldarone, MD.

Papers125
Years published2008 to 2025

Dr. Grosse-Wortmann's papers by year, 2016 to 2025

Topics Dr. Grosse-Wortmann writes about most

  • Magnetic Resonance Imaging
  • Magnetic Resonance Imaging, Cine
  • Heart Defects, Congenital
  • Predictive Value of Tests
  • Heart Ventricles
  • Tetralogy of Fallot
  • Echocardiography
  • Cardiac Surgical Procedures

Dr. Grosse-Wortmann's most frequent co-authors

Recent publications by Dr. Grosse-Wortmann

See all 125 publications and co-authors

See who Dr. Grosse-Wortmann researches with

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

How network discovery works

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

Dr. Lars Grosse-Wortmann has worked on 1 clinical trial

Dmand AI links Dr. Grosse-Wortmann to 1 clinical trial. Conditions studied include Cystic Fibrosis and Asthma.

Conditions in Dr. Grosse-Wortmann's trials

  • Cystic Fibrosis
  • Asthma

Recent clinical trials with Dr. Grosse-Wortmann

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

Dr. Lars Grosse-Wortmann received $21,182 in industry payments from 2022 to 2024

CMS Open Payments shows 4 general payments to Dr. Grosse-Wortmann from 1 drug or device company from 2022 to 2024. Consulting fees make up the largest share, 100% of the total. Siemens Medical Solutions USA, Inc. paid the most, $21,182.

General payments to Dr. Grosse-Wortmann by program year, 2022 to 2024

General payments to Dr. Grosse-Wortmann by kind, 2022 to 2024

$21.2Kin total
  • Consulting fees$21,150100%
  • Travel and lodging$320%

Companies that paid Dr. Grosse-Wortmann the most, 2022 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Grosse-Wortmann

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

Sources for Dr. Lars Grosse-Wortmann'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)
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. Lars Grosse-Wortmann

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. Lars Grosse-Wortmann's NPI number?

Dr. Lars Grosse-Wortmann's NPI number is 1588210157. It was assigned on August 9, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Lars Grosse-Wortmann?

Dr. Lars Grosse-Wortmann is a pediatric cardiology physician in Portland, Oregon. The primary specialty in the NPI Registry is Pediatric Cardiology Physician (taxonomy code 2080P0202X).

Where does Dr. Lars Grosse-Wortmann practice?

Dr. Grosse-Wortmann practices at 3181 SW Sam Jackson Park Road, Portland, OR 97239. Dr. Grosse-Wortmann's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. Dmand AI also links Dr. Grosse-Wortmann to 2 medical groups and 1 clinical lab.

What is Dr. Lars Grosse-Wortmann's office phone number?

The practice phone on file for Dr. Grosse-Wortmann is (503) 494-9000.

What is Dr. Lars Grosse-Wortmann's medical license number?

Dr. Grosse-Wortmann holds Oregon license 185737.

Which hospitals is Dr. Lars Grosse-Wortmann affiliated with?

Dr. Grosse-Wortmann practices at OHSU Hospital in Portland, Oregon.

What medical group is Dr. Lars Grosse-Wortmann part of?

Dr. Grosse-Wortmann is linked to Oregon Health & Science University (OHSU). Dmand AI links Dr. Grosse-Wortmann to 2 more medical groups.

Does Dr. Lars Grosse-Wortmann accept Medicare?

Yes. CMS lists Dr. Grosse-Wortmann as accepting Medicare assignment.

Has Dr. Lars Grosse-Wortmann received payments from drug or device companies?

CMS Open Payments shows $21,182 in general payments to Dr. Grosse-Wortmann from 1 company from 2022 to 2024. The largest total came from Siemens Medical Solutions USA, Inc.

How long has Dr. Lars Grosse-Wortmann been practicing?

Dr. Grosse-Wortmann graduated from medical school in 1999, 27 years ago.

Does Dr. Lars Grosse-Wortmann do research?

Dmand AI links 125 publications to Dr. Grosse-Wortmann, published from 2008 to 2025. Dr. Grosse-Wortmann has worked on 1 clinical trial.

Who does Dr. Lars Grosse-Wortmann publish with?

Dr. Grosse-Wortmann's most frequent co-authors are Glen Scott Van Arsdell, MD (10 shared papers), Andrew Redington (8 shared papers) and Christopher Caldarone, MD (4 shared papers).

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