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James Oyeniyi
NPI1144670936PAC ID7618269267
- Part D claims, 2018
- 25
- Publications
- 3
- Hospital affiliations
- 3
- Industry payments
- $20,205
- Medical groups
- 2
- Practice address
- 18220 State Highway 249, Houston, TX 77070
- Practice phone
- Call (281) 477-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find James Oyeniyi'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.
James Oyeniyi is a general surgeon in Houston, Texas
James Oyeniyi practices at Houston Methodist Willowbrook Hospital in Houston, Texas, part of Houston Methodist.
James Oyeniyi's NPI, 1144670936, was assigned on June 13, 2016. James Oyeniyi graduated from McGovern Medical School in 2016. James Oyeniyi holds Texas license 48537.
NPI and contact details
- NPI
- 1144670936NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618269267
- NPI enumeration date
- June 13, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (281) 477-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
James Oyeniyi practices at Houston Methodist Willowbrook Hospital in Houston, Texas
James Oyeniyi's primary practice is Houston Methodist Willowbrook Hospital, at 18220 State Highway 249, Houston, TX 77070 in Harris County. The practice phone is (281) 477-1000.
- Houston Methodist Willowbrook Hospital18220 State Highway 249, Houston, TX 77070 · Harris CountyPhone(281) 477-1000
Source: Dmand AI Affiliation Data
James Oyeniyi is affiliated with 5 sites of care and 2 medical groups
James Oyeniyi's primary practice is Houston Methodist Willowbrook Hospital in Houston, Texas, part of Houston Methodist. James Oyeniyi is also affiliated with HCA Houston Healthcare Medical Center. The medical group on file is Houston Methodist. Dmand AI also links James Oyeniyi to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
HCA Houston Healthcare Medical CenterHouston Methodist1 hospitalName with a free account2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 7 affiliations for James OyeniyiSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at James Oyeniyi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Oyeniyi practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Houston Methodist Willowbrook Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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James Oyeniyi is one of 1,939 general surgeons in Texas
Surgery is James Oyeniyi's primary specialty in the NPI Registry, under taxonomy code 208600000X. James Oyeniyi is board certified in vascular surgery by the American Board of Surgery. Dmand AI has James Oyeniyi's licenses on file in 2 states: Texas and Illinois.
Specialties and state licenses
- Surgery, TexasPrimary
- Illinois license
General surgeons near James Oyeniyi
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
1,939general surgeons in Texas295general surgeons in Houston7general surgeons at Houston Methodist Willowbrook Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
James Oyeniyi's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts James Oyeniyi's median patient age at 70, with 64% women.
James Oyeniyi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women64%
- Men36%
Source: Dmand AI Patient Panel Data
James Oyeniyi wrote 25 Medicare Part D claims in 2018
In 2018, James Oyeniyi wrote 25 Medicare Part D claims. They cover 1 drug, with $126 in total drug cost. In 2017, CMS named 17 claims across 1 drug.
Part D claims, 201825
Drugs named by CMS1
Total drug cost$126
James Oyeniyi's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 172018: 2547%
Drugs named by CMS: 1 in 2018, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How James Oyeniyi takes part in Medicare
James Oyeniyi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
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James Oyeniyi has 3 publications on record
Dmand AI links 3 papers to James Oyeniyi, published from 2014 to 2024. James Oyeniyi's most frequent co-authors are Karen H. Albritton, MD, Winston W. Huh, MD and Ross Milner.
Papers3
Years published2014 to 2024
James Oyeniyi's papers by year, 2014 to 2024
James Oyeniyi's most frequent co-authors
Recent publications by James Oyeniyi
CarcinomaChemotherapy, Cancer, Regional PerfusionColorectal Neoplasms
See who James Oyeniyi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who James Oyeniyi works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
James Oyeniyi received $20,205 in industry payments from 2020 to 2025
CMS Open Payments shows 145 general payments to James Oyeniyi from 21 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 49% of the total. Medtronic, Inc. paid the most, $7,011.
General payments to James Oyeniyi by program year, 2020 to 2025
General payments to James Oyeniyi by kind, 2020 to 2025
$20.2Kin total
- Food and beverage$9,95649%
- Grants$4,31321%
- Travel and lodging$4,03020%
- Education$1,9059%
Companies that paid James Oyeniyi the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
James Oyeniyi graduated from McGovern Medical School
James Oyeniyi graduated from McGovern Medical School in 2016.
- Medical school
- Board certified in vascular surgery
Source: Dmand AI Professional Profile Data
James Oyeniyi accepts plans from 15 insurance carriers
James Oyeniyi is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- Cigna
- Alliant Health Plans
- Aspirus Health Plan
- HCSC
- +7 more carriersWith a free account
Plan types James Oyeniyi accepts, by number of carriers
- PPO11
- HMO8
- Medicare6
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for James Oyeniyi'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 James Oyeniyi
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James Oyeniyi's NPI number?
James Oyeniyi's NPI number is 1144670936. It was assigned on June 13, 2016, and it is active in the NPI Registry.
What does James Oyeniyi specialize in?
James Oyeniyi is a general surgeon in Houston, Texas. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does James Oyeniyi practice?
James Oyeniyi practices at 18220 State Highway 249, Houston, TX 77070. James Oyeniyi's primary practice is Houston Methodist Willowbrook Hospital in Houston, Texas, part of Houston Methodist. Dmand AI also links James Oyeniyi to 1 hospital, 2 group practices and clinics and 1 medical group.
What is James Oyeniyi's office phone number?
The practice phone on file for James Oyeniyi is (281) 477-1000.
What is James Oyeniyi's medical license number?
James Oyeniyi holds Texas license 48537, one of the licenses on file in 2 states.
Which states has James Oyeniyi been licensed in?
Dmand AI has state licenses on file for James Oyeniyi in Texas and Illinois (2016 to 2026).
Which hospitals is James Oyeniyi affiliated with?
James Oyeniyi practices at Houston Methodist Willowbrook Hospital in Houston, Texas. James Oyeniyi is also affiliated with HCA Houston Healthcare Medical Center. Dmand AI links James Oyeniyi to 1 more hospital.
What medical group is James Oyeniyi part of?
James Oyeniyi is linked to Houston Methodist. Dmand AI links James Oyeniyi to 1 more medical group.
Does James Oyeniyi accept Medicare?
Yes. CMS lists James Oyeniyi as accepting Medicare assignment.
Is James Oyeniyi board certified?
Yes. James Oyeniyi is board certified in vascular surgery by the American Board of Surgery.
Show 7 more questionsShow fewer questions
Where did James Oyeniyi go to medical school?
James Oyeniyi graduated from McGovern Medical School in 2016.
What drugs does James Oyeniyi prescribe most?
In 2018 Medicare Part D data, James Oyeniyi's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has James Oyeniyi received payments from drug or device companies?
CMS Open Payments shows $20,205 in general payments to James Oyeniyi from 21 companies from 2020 to 2025. The largest total came from Medtronic, Inc.
How long has James Oyeniyi been practicing?
James Oyeniyi graduated from medical school in 2016, 10 years ago.
Does James Oyeniyi do research?
Dmand AI links 3 publications to James Oyeniyi, published from 2014 to 2024.
Who does James Oyeniyi publish with?
James Oyeniyi's most frequent co-authors are Karen H. Albritton, MD (2 shared papers), Winston W. Huh, MD (2 shared papers) and Ross Milner (1 shared paper).
What insurance does James Oyeniyi accept?
James Oyeniyi is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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