Benjamin Tatsunori Iwai, OD
- Medicare patients, 2024
- 12
- Industry payments
- $40
- Affiliated sites
- 1
- Medical groups
- 3
- State license
- 1
- Practice address
- 323 Monroe St, Jefferson City, MO 65101
- Practice phone
- Call (573) 635-1313
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eyes On Missouri
Jefferson City, Missouri
Find Benjamin Iwai'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.
Benjamin Tatsunori Iwai is an optometrist in Jefferson City, Missouri
Benjamin Iwai practices at Eyes On Missouri in Jefferson City, Missouri.
Benjamin Iwai's NPI, 1417399890, was assigned on July 25, 2013. Benjamin Iwai graduated from University of Missouri St Louis - School of Optometry in 2013. Benjamin Iwai holds Iowa license 002605.
- NPI
- 1417399890NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527294479
- NPI enumeration date
- July 25, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (573) 635-1313
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Benjamin Tatsunori Iwai practices at Eyes on Missouri in Jefferson City, Missouri
Benjamin Iwai's primary practice is Eyes on Missouri, at 323 Monroe St, Jefferson City, MO 65101 in Cole County. The practice phone is (573) 635-1313.
- Eyes on Missouri323 Monroe St, Jefferson City, MO 65101 · Cole CountyPhone(573) 635-1313
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Benjamin Tatsunori Iwai is affiliated with 2 sites of care and 3 medical groups
Benjamin Iwai's primary practice is Eyes On Missouri in Jefferson City, Missouri. Dmand AI also links Benjamin Iwai to 3 medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Benjamin Tatsunori Iwai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Benjamin Iwai practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eyes On Missouri | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Benjamin Tatsunori Iwai is one of 866 optometrists in Missouri
Optometrist is Benjamin Iwai's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Benjamin Iwai is licensed in Iowa.
Specialties and state licenses
- Optometrist, IowaPrimary
Optometrists near Benjamin Iwai
Counts of optometrists 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
Benjamin Tatsunori Iwai treated 12 Medicare patients in 2024, average age 73
CMS counts 12 Medicare patients who saw Benjamin Iwai in 2024. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Benjamin Iwai's median patient age at 60, with 64% women.
Benjamin Iwai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Benjamin Tatsunori Iwai takes part in Medicare
Benjamin Iwai 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)
Benjamin Tatsunori Iwai received $40 in industry payments in 2025
CMS Open Payments shows 2 general payments to Benjamin Iwai from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Sun Pharmaceutical Industries Inc. paid the most, $22.
Companies that paid Benjamin Iwai the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Benjamin Tatsunori Iwai graduated from University of Missouri St Louis - School of Optometry
Benjamin Iwai graduated from University of Missouri St Louis - School of Optometry in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Benjamin Tatsunori Iwai'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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 Benjamin Tatsunori Iwai
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Benjamin Tatsunori Iwai's NPI number?
Benjamin Tatsunori Iwai's NPI number is 1417399890. It was assigned on July 25, 2013, and it is active in the NPI Registry.
What does Benjamin Tatsunori Iwai specialize in?
Benjamin Tatsunori Iwai is an optometrist in Jefferson City, Missouri. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Benjamin Tatsunori Iwai practice?
Benjamin Iwai practices at 323 Monroe St, Jefferson City, MO 65101. Benjamin Iwai's primary practice is Eyes On Missouri in Jefferson City, Missouri. Dmand AI also links Benjamin Iwai to 3 medical groups and 1 group practice or clinic.
What is Benjamin Tatsunori Iwai's office phone number?
The practice phone on file for Benjamin Iwai is (573) 635-1313.
What is Benjamin Tatsunori Iwai's medical license number?
Benjamin Iwai holds Iowa license 002605.
Does Benjamin Tatsunori Iwai accept Medicare?
Yes. CMS lists Benjamin Iwai as accepting Medicare assignment.
How many Medicare patients does Benjamin Tatsunori Iwai see?
CMS counts 12 Medicare patients who saw Benjamin Iwai in 2024, with an average age of 73.
Where did Benjamin Tatsunori Iwai go to medical school?
Benjamin Iwai graduated from University of Missouri St Louis - School of Optometry in 2013.
Has Benjamin Tatsunori Iwai received payments from drug or device companies?
CMS Open Payments shows $40 in general payments to Benjamin Iwai from 2 companies from 2025 to 2025. The largest total came from Sun Pharmaceutical Industries Inc.
How long has Benjamin Tatsunori Iwai been practicing?
Benjamin Iwai graduated from medical school in 2013, 13 years ago.
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