Jeffrey Masaru Sakai, OD
- Medicare patients, 2024
- 68
- Part D claims, 2024
- 108
- Hospital affiliations
- 1
- Industry payments
- $200
- State license
- 1
- Practice address
- 1301 Punchbowl St, Honolulu, HI 96813
- Practice phone
- Call (808) 538-9011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Jeffrey Sakai'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.
Jeffrey Masaru Sakai is an optometrist in Honolulu, Hawaii
Jeffrey Sakai practices at The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems.
Jeffrey Sakai's NPI, 1558417220, was assigned on January 26, 2007. Jeffrey Sakai graduated from University of California - School of Optometry in 1997. Jeffrey Sakai holds Hawaii license 473.
- NPI
- 1558417220NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678596897
- NPI enumeration date
- January 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 538-9011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jeffrey Masaru Sakai practices at The Queen's Medical Center in Honolulu, Hawaii
Jeffrey Sakai's primary practice is The Queen's Medical Center, at 1301 Punchbowl St, Honolulu, HI 96813 in Honolulu County. The practice phone is (808) 538-9011.
- The Queen's Medical Center1301 Punchbowl St, Honolulu, HI 96813 · Honolulu CountyPhone(808) 538-9011
Source: Dmand AI Affiliation Data
Jeffrey Masaru Sakai is affiliated with 1 site of care
Jeffrey Sakai's primary practice is The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jeffrey Masaru Sakai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jeffrey Sakai practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Queen's 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 The Queen's Health Systems and 6.2K+ hospitals, with verified contacts in the same login.
Jeffrey Masaru Sakai is one of 256 optometrists in Hawaii
Optometrist is Jeffrey Sakai's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Jeffrey Sakai is licensed in Hawaii.
Specialties and state licenses
- Optometrist, HawaiiPrimary
Optometrists near Jeffrey Sakai
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
Jeffrey Masaru Sakai treated 68 Medicare patients in 2024, average age 75
CMS counts 68 Medicare patients who saw Jeffrey Sakai in 2024. The largest group is 65 to 74, with 37 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Jeffrey Sakai's median patient age at 75, with 42% women.
Jeffrey Sakai's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Jeffrey Sakai's Medicare patients by sex, 2024
- Women3450%
- Men3450%
Chronic conditions among Jeffrey Sakai's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes38%
- Chronic kidney disease29%
- Arthritis21%
- Osteoporosis21%
Share of Medicare patients with each condition. A patient can have several.
Jeffrey Sakai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women42%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jeffrey Masaru Sakai wrote 108 Medicare Part D claims in 2024
In 2024, Jeffrey Sakai wrote 108 Medicare Part D claims for 41 patients. 27% of them were for generic drugs.
Jeffrey Sakai's Part D claims by kind of drug, 2024
- Generic29 claims27%
- Brand-name79 claims73%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Jeffrey Masaru Sakai takes part in Medicare
Jeffrey Sakai 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
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Jeffrey Masaru Sakai received $200 in industry payments in 2025
CMS Open Payments shows 2 general payments to Jeffrey Sakai from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $119.
Companies that paid Jeffrey Sakai the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Jeffrey Masaru Sakai graduated from University of California - School of Optometry
Jeffrey Sakai graduated from University of California - School of Optometry in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Jeffrey Masaru Sakai'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 (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 Jeffrey Masaru Sakai
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jeffrey Masaru Sakai's NPI number?
Jeffrey Masaru Sakai's NPI number is 1558417220. It was assigned on January 26, 2007, and it is active in the NPI Registry.
What does Jeffrey Masaru Sakai specialize in?
Jeffrey Masaru Sakai is an optometrist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Jeffrey Masaru Sakai practice?
Jeffrey Sakai practices at 1301 Punchbowl St, Honolulu, HI 96813. Jeffrey Sakai's primary practice is The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems.
What is Jeffrey Masaru Sakai's office phone number?
The practice phone on file for Jeffrey Sakai is (808) 538-9011.
What is Jeffrey Masaru Sakai's medical license number?
Jeffrey Sakai holds Hawaii license 473.
Which hospitals is Jeffrey Masaru Sakai affiliated with?
Jeffrey Sakai practices at The Queen's Medical Center in Honolulu, Hawaii.
Does Jeffrey Masaru Sakai accept Medicare?
Yes. CMS lists Jeffrey Sakai as accepting Medicare assignment.
How many Medicare patients does Jeffrey Masaru Sakai see?
CMS counts 68 Medicare patients who saw Jeffrey Sakai in 2024, with an average age of 75.
Where did Jeffrey Masaru Sakai go to medical school?
Jeffrey Sakai graduated from University of California - School of Optometry in 1997.
Has Jeffrey Masaru Sakai received payments from drug or device companies?
CMS Open Payments shows $200 in general payments to Jeffrey Sakai from 2 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Jeffrey Masaru Sakai been practicing?
Jeffrey Sakai graduated from medical school in 1997, 29 years ago.
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