Dr. James Derek Oosten, MD
- Part D claims, 2024
- 23
- Industry payments
- $4,100
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 1740 W Taylor St, Chicago, IL 60612
- Practice phone
- Call (312) 996-2933
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Oosten'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. James Derek Oosten is an orthopedic surgeon in Chicago, Illinois
Dr. Oosten practices in Chicago, Illinois.
Dr. Oosten's NPI, 1184316549, was assigned on May 24, 2023. Dr. Oosten holds Illinois license 125.082129.
- NPI
- 1184316549NPI Registry (opens in a new tab)
- NPI enumeration date
- May 24, 2023
- NPI status
- Active
- Practice phone
- (312) 996-2933
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. James Derek Oosten's practice address is in Chicago, Illinois
Dr. Oosten's practice address in the NPI Registry is 1740 W Taylor St, Chicago, IL 60612, in Cook County. The practice phone is (312) 996-2933.
- NPI Registry address1740 W Taylor St, Chicago, IL 60612 · Cook CountyPhone(312) 996-2933
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. James Derek Oosten's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oosten practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Oosten's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Derek Oosten is one of 849 orthopedic surgeons in Illinois
Orthopaedic surgery is Dr. Oosten's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Oosten is licensed in Illinois.
Specialties and state licenses
- Orthopaedic surgery, IllinoisPrimary
Orthopedic surgeons near Dr. Oosten
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. James Derek Oosten's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Oosten's median patient age at 59, with 100% women.
Dr. Oosten's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. James Derek Oosten wrote 23 Medicare Part D claims in 2024
In 2024, Dr. Oosten wrote 23 Medicare Part D claims for 17 patients. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. James Derek Oosten received $4,100 in industry payments from 2023 to 2025
CMS Open Payments shows 48 general payments to Dr. Oosten from 10 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 79% of the total. Medical Device Business Services, Inc. paid the most, $1,320.
General payments to Dr. Oosten by program year, 2023 to 2025
General payments to Dr. Oosten by kind, 2023 to 2025
- Food and beverage$3,22779%
- Travel and lodging$87321%
Companies that paid Dr. Oosten the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. James Derek Oosten'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. James Derek Oosten
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. James Derek Oosten's NPI number?
Dr. James Derek Oosten's NPI number is 1184316549. It was assigned on May 24, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. James Derek Oosten?
Dr. James Derek Oosten is an orthopedic surgeon in Chicago, Illinois. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. James Derek Oosten practice?
Dr. Oosten practices at 1740 W Taylor St, Chicago, IL 60612.
What is Dr. James Derek Oosten's office phone number?
The practice phone on file for Dr. Oosten is (312) 996-2933.
What is Dr. James Derek Oosten's medical license number?
Dr. Oosten holds Illinois license 125.082129.
Has Dr. James Derek Oosten received payments from drug or device companies?
CMS Open Payments shows $4,100 in general payments to Dr. Oosten from 10 companies from 2023 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Dr. James Derek Oosten been practicing?
Dr. Oosten's NPI was assigned in 2023.
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