Dr. Kenji Okumura, MD
- Medicare patients, 2024
- 19
- Hospital affiliations
- 1
- Industry payments
- $1,307
- Medical group
- 1
- State license
- 1
- Practice address
- 100 Woods Rd, Valhalla, NY 10595
- Practice phone
- Call (914) 493-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Okumura'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. Kenji Okumura is a general surgeon in Valhalla, New York
Dr. Okumura practices at Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.
Dr. Okumura's NPI, 1023460953, was assigned on July 2, 2016. Dr. Okumura holds New York license 313638.
- NPI
- 1023460953NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517309529
- NPI enumeration date
- July 2, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (914) 493-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kenji Okumura practices at Westchester Medical Center in Valhalla, New York
Dr. Okumura's primary practice is Westchester Medical Center, at 100 Woods Rd, Valhalla, NY 10595 in Westchester County. The practice phone is (914) 493-7000.
- Westchester Medical Center100 Woods Rd, Valhalla, NY 10595 · Westchester CountyPhone(914) 493-7000
Source: Dmand AI Affiliation Data
Dr. Kenji Okumura is affiliated with 1 site of care and 1 medical group
Dr. Okumura's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. The medical group on file is Westchester Medical Center Advanced Physician Services.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kenji Okumura's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Okumura practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westchester Medical Center | 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 Westchester Medical Center Health Network and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kenji Okumura is one of 1,604 general surgeons in New York
Surgery is Dr. Okumura's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Okumura is licensed in New York.
Specialties and state licenses
- Surgery, New YorkPrimary
General surgeons near Dr. Okumura
Counts of general 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. Kenji Okumura treated 19 Medicare patients in 2024, average age 63
CMS counts 19 Medicare patients who saw Dr. Okumura in 2024. The largest group is 85 and over, with 0 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. Their average risk score is 6.51, 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. Okumura's median patient age at 53, with 34% women.
Dr. Okumura's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Okumura's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- Diabetes68%
- High cholesterol58%
- Ischemic heart disease58%
Share of Medicare patients with each condition. A patient can have several.
Dr. Okumura's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women34%
- Men65%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Kenji Okumura takes part in Medicare
Dr. Okumura 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. Kenji Okumura received $1,307 in industry payments from 2023 to 2025
CMS Open Payments shows 16 general payments to Dr. Okumura from 7 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 52% of the total. OrganOx Ltd paid the most, $725.
General payments to Dr. Okumura by program year, 2023 to 2025
General payments to Dr. Okumura by kind, 2023 to 2025
- Food and beverage$68052%
- Travel and lodging$62748%
Companies that paid Dr. Okumura 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. Kenji Okumura'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) |
| 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) |
| 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. Kenji Okumura
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. Kenji Okumura's NPI number?
Dr. Kenji Okumura's NPI number is 1023460953. It was assigned on July 2, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Kenji Okumura?
Dr. Kenji Okumura is a general surgeon in Valhalla, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Kenji Okumura practice?
Dr. Okumura practices at 100 Woods Rd, Valhalla, NY 10595. Dr. Okumura's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.
What is Dr. Kenji Okumura's office phone number?
The practice phone on file for Dr. Okumura is (914) 493-7000.
What is Dr. Kenji Okumura's medical license number?
Dr. Okumura holds New York license 313638.
Which hospitals is Dr. Kenji Okumura affiliated with?
Dr. Okumura practices at Westchester Medical Center in Valhalla, New York.
What medical group is Dr. Kenji Okumura part of?
Dr. Okumura is linked to Westchester Medical Center Advanced Physician Services.
Does Dr. Kenji Okumura accept Medicare?
Yes. CMS lists Dr. Okumura as accepting Medicare assignment.
How many Medicare patients does Dr. Kenji Okumura see?
CMS counts 19 Medicare patients who saw Dr. Okumura in 2024, with an average age of 63.
Has Dr. Kenji Okumura received payments from drug or device companies?
CMS Open Payments shows $1,307 in general payments to Dr. Okumura from 7 companies from 2023 to 2025. The largest total came from OrganOx Ltd.
How long has Dr. Kenji Okumura been practicing?
Dr. Okumura graduated from medical school in 2009, 17 years ago.
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