Dr. Diane M. Sakai, MD
- Part D claims, 2019
- 11
- Affiliated sites
- 1
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 459 Patterson Rd, Honolulu, HI 96819
- Practice phone
- Call (808) 433-0770
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Spark M. Matsunaga Department of Veterans Affairs Medical Center
VA Clinic / Health Facility · Honolulu, Hawaii
Find Dr. 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.
Dr. Diane M. Sakai is an internist in Honolulu, Hawaii
Dr. Sakai practices at Spark M. Matsunaga Department of Veterans Affairs Medical Center in Honolulu, Hawaii.
Dr. Sakai's NPI, 1083791925, was assigned on October 31, 2006. Dr. Sakai holds Hawaii license MD 9426.
- NPI
- 1083791925NPI Registry (opens in a new tab)
- NPI enumeration date
- October 31, 2006
- NPI status
- Active
- Practice phone
- (808) 433-0770
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Diane M. Sakai practices at Spark M. Matsunaga Department of Veterans Affairs Medical Center in Honolulu, Hawaii
Dr. Sakai's primary practice is Spark M. Matsunaga Department of Veterans Affairs Medical Center, at 459 Patterson Rd, Honolulu, HI 96819. The practice phone is (808) 433-0770.
- Spark M. Matsunaga Department of Veterans Affairs Medical Center459 Patterson Rd, Honolulu, HI 96819Phone(808) 433-0770
Source: Dmand AI Affiliation Data
Dr. Diane M. Sakai is affiliated with 1 site of care
Dr. Sakai's primary practice is Spark M. Matsunaga Department of Veterans Affairs Medical Center in Honolulu, Hawaii. Dr. Sakai's employer is on file too: a government & correctional health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Diane M. Sakai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sakai practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Spark M. Matsunaga Department of Veterans Affairs Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diane M. Sakai is one of 771 internists in Hawaii
Internal medicine is Dr. Sakai's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Sakai's licenses on file in 2 states: Hawaii and California.
Specialties and state licenses
- Internal medicine, HawaiiPrimary
- California license
Internists near Dr. Sakai
Counts of internists 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. Diane M. Sakai's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Sakai's median patient age at 61, with 19% women.
Dr. 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 61
Patient panel by sex, all payers
- Women19%
- Men81%
Source: Dmand AI Patient Panel Data
Dr. Diane M. Sakai wrote 11 Medicare Part D claims in 2019
In 2019, Dr. Sakai wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $50 in total drug cost.
Dr. Sakai's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. Diane M. 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Diane M. 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 Dr. Diane M. Sakai's NPI number?
Dr. Diane M. Sakai's NPI number is 1083791925. It was assigned on October 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Diane M. Sakai?
Dr. Diane M. Sakai is an internist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Diane M. Sakai practice?
Dr. Sakai practices at 459 Patterson Rd, Honolulu, HI 96819. Dr. Sakai's primary practice is Spark M. Matsunaga Department of Veterans Affairs Medical Center in Honolulu, Hawaii.
What is Dr. Diane M. Sakai's office phone number?
The practice phone on file for Dr. Sakai is (808) 433-0770.
What is Dr. Diane M. Sakai's medical license number?
Dr. Sakai holds Hawaii license MD 9426, one of the licenses on file in 2 states.
Which states has Dr. Diane M. Sakai been licensed in?
Dmand AI has state licenses on file for Dr. Sakai in Hawaii and California.
What drugs does Dr. Diane M. Sakai prescribe most?
In 2019 Medicare Part D data, Dr. Sakai's most prescribed drugs by claims were Metoprolol Succinate.
How long has Dr. Diane M. Sakai been practicing?
Dr. Sakai's NPI was assigned in 2006.
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