Dr. Arie Gerhard Trouw, MD
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 75
- Hospital affiliations
- 3
- Industry payments
- $5,012
- Medical group
- 1
- Practice address
- 900 Sunset Drive, La Grande, OR 97850
- Practice phone
- Call (541) 963-8421
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Trouw's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Arie Gerhard Trouw is an orthopedic surgeon in La Grande, Oregon
Dr. Trouw practices at Grande Ronde Hospital in La Grande, Oregon, part of Grande Ronde Hospital.
Dr. Trouw's NPI, 1952664062, was assigned on June 22, 2012. Dr. Trouw graduated from Indiana University School Of Medicine in 2012. Dr. Trouw holds Connecticut license 56544.
- NPI
- 1952664062NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648543629
- NPI enumeration date
- June 22, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 963-8421
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Arie Gerhard Trouw practices at Grande Ronde Hospital in La Grande, Oregon
Dr. Trouw's primary practice is Grande Ronde Hospital, at 900 Sunset Drive, La Grande, OR 97850 in Union County. The practice phone is (541) 963-8421.
- Grande Ronde Hospital900 Sunset Drive, La Grande, OR 97850 · Union CountyPhone(541) 963-8421
Source: Dmand AI Affiliation Data
Dr. Arie Gerhard Trouw is affiliated with 4 sites of care and 1 medical group
Dr. Trouw's primary practice is Grande Ronde Hospital in La Grande, Oregon, part of Grande Ronde Hospital. Dr. Trouw is also affiliated with Saint Alphonsus Medical Center - Baker City. The medical group on file is Grande Ronde Hospital and Clinics. Dmand AI also links Dr. Trouw to 1 more hospital and 1 therapy and rehab clinic, each named with a free account. Dr. Trouw's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Arie Gerhard Trouw's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Trouw practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grande Ronde Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Grande Ronde Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Arie Gerhard Trouw is one of 270 orthopedic surgeons in Oregon
Orthopaedic surgery is Dr. Trouw's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Trouw is licensed in Connecticut.
Specialties and state licenses
- Orthopaedic surgery, ConnecticutPrimary
Orthopedic surgeons near Dr. Trouw
Counts of orthopedic surgeons 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. Arie Gerhard Trouw treated 15 Medicare patients in 2024, average age 73
CMS counts 15 Medicare patients who saw Dr. Trouw in 2024. 75% of them have high blood pressure. Their average risk score is 1.70, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Trouw's median patient age at 71, with 55% women.
Chronic conditions among Dr. Trouw's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Trouw's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Arie Gerhard Trouw wrote 75 Medicare Part D claims in 2024
In 2024, Dr. Trouw wrote 75 Medicare Part D claims for 56 patients. 100% of them were for generic drugs. CMS names the drug for 54 of them, across 2 drugs with 11 or more claims each, at $214 in total drug cost. In 2023, CMS named 58 claims across 2 drugs.
Dr. Trouw's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Trouw's Part D claims, 2024
- Opioids75%56 of 75 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 582024: 547%
Drugs named by CMS: 2 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Arie Gerhard Trouw takes part in Medicare
Dr. Trouw 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)
For MedTech and pharma teams
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Dr. Arie Gerhard Trouw received $5,012 in industry payments from 2017 to 2023
CMS Open Payments shows 26 general payments to Dr. Trouw from 6 drug and device companies from 2017 to 2023. Education make up the largest share, 48% of the total. Arthrex, Inc. paid the most, $4,355.
General payments to Dr. Trouw by program year, 2017 to 2023
General payments to Dr. Trouw by kind, 2017 to 2023
- Education$2,40048%
- Travel and lodging$1,84437%
- Food and beverage$76815%
Companies that paid Dr. Trouw the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Arie Gerhard Trouw graduated from Indiana University School Of Medicine
Dr. Trouw graduated from Indiana University School Of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Arie Gerhard Trouw's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Arie Gerhard Trouw
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. Arie Gerhard Trouw's NPI number?
Dr. Arie Gerhard Trouw's NPI number is 1952664062. It was assigned on June 22, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Arie Gerhard Trouw?
Dr. Arie Gerhard Trouw is an orthopedic surgeon in La Grande, Oregon. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Arie Gerhard Trouw practice?
Dr. Trouw practices at 900 Sunset Drive, La Grande, OR 97850. Dr. Trouw's primary practice is Grande Ronde Hospital in La Grande, Oregon, part of Grande Ronde Hospital. Dmand AI also links Dr. Trouw to 1 hospital and 1 therapy and rehab clinic.
What is Dr. Arie Gerhard Trouw's office phone number?
The practice phone on file for Dr. Trouw is (541) 963-8421.
What is Dr. Arie Gerhard Trouw's medical license number?
Dr. Trouw holds Connecticut license 56544.
Which hospitals is Dr. Arie Gerhard Trouw affiliated with?
Dr. Trouw practices at Grande Ronde Hospital in La Grande, Oregon. Dr. Trouw is also affiliated with Saint Alphonsus Medical Center - Baker City. Dmand AI links Dr. Trouw to 1 more hospital.
What medical group is Dr. Arie Gerhard Trouw part of?
Dr. Trouw is linked to Grande Ronde Hospital and Clinics.
Does Dr. Arie Gerhard Trouw accept Medicare?
Yes. CMS lists Dr. Trouw as accepting Medicare assignment.
How many Medicare patients does Dr. Arie Gerhard Trouw see?
CMS counts 15 Medicare patients who saw Dr. Trouw in 2024, with an average age of 73.
Where did Dr. Arie Gerhard Trouw go to medical school?
Dr. Trouw graduated from Indiana University School Of Medicine in 2012.
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What drugs does Dr. Arie Gerhard Trouw prescribe most?
In 2024 Medicare Part D data, Dr. Trouw's most prescribed drugs by claims were Oxycodone HCl and Hydrocodone-Acetaminophen.
Has Dr. Arie Gerhard Trouw received payments from drug or device companies?
CMS Open Payments shows $5,012 in general payments to Dr. Trouw from 6 companies from 2017 to 2023. The largest total came from Arthrex, Inc.
How long has Dr. Arie Gerhard Trouw been practicing?
Dr. Trouw graduated from medical school in 2012, 14 years ago.
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