Christine Chiyeko Ishikawa, OD
- Medicare patients, 2024
- 217
- Part D claims, 2024
- 69
- Industry payments
- $71
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 99-859 Iwaiwa Street, Aiea, HI 96701
- Practice phone
- Call (808) 589-5100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Diagnostic Laboratory Services - Aiea
Clinical Lab - Full Service · Aiea, Hawaii
Find Christine Ishikawa'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.
Christine Chiyeko Ishikawa is an optometrist in Aiea, Hawaii
Christine Ishikawa practices at Diagnostic Laboratory Services - Aiea in Aiea, Hawaii.
Christine Ishikawa's NPI, 1689822793, was assigned on September 3, 2008. Christine Ishikawa graduated from New England College of Optometry in 2004. Christine Ishikawa holds Hawaii license 624.
- NPI
- 1689822793NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325063183
- NPI enumeration date
- September 3, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 589-5100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Christine Chiyeko Ishikawa practices at Diagnostic Laboratory Services - Aiea in Aiea, Hawaii
Christine Ishikawa's primary practice is Diagnostic Laboratory Services - Aiea, at 99-859 Iwaiwa Street, Aiea, HI 96701. The practice phone is (808) 589-5100.
- Diagnostic Laboratory Services - Aiea99-859 Iwaiwa Street, Aiea, HI 96701Phone(808) 589-5100
Source: Dmand AI Affiliation Data
Christine Chiyeko Ishikawa is affiliated with 2 sites of care and 1 medical group
Christine Ishikawa's primary practice is Diagnostic Laboratory Services - Aiea in Aiea, Hawaii. Dmand AI also links Christine Ishikawa to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Christine Chiyeko Ishikawa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christine Ishikawa practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Diagnostic Laboratory Services - Aiea | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Christine Chiyeko Ishikawa is one of 256 optometrists in Hawaii
Optometrist is Christine Ishikawa's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Christine Ishikawa is licensed in Hawaii.
Specialties and state licenses
- Optometrist, HawaiiPrimary
Optometrists near Christine Ishikawa
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
Christine Chiyeko Ishikawa treated 217 Medicare patients in 2024, average age 75
CMS counts 217 Medicare patients who saw Christine Ishikawa in 2024. The largest group is 65 to 74, with 110 patients. 75% of them have high cholesterol, and 57% have high blood pressure. Their average risk score is 0.74, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Christine Ishikawa's median patient age at 71, with 59% women.
Christine Ishikawa's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Christine Ishikawa's Medicare patients by sex, 2024
- Women12658%
- Men9142%
Chronic conditions among Christine Ishikawa's Medicare patients, 2024
- High cholesterol75%
- High blood pressure57%
- Arthritis24%
- Diabetes23%
- Chronic kidney disease21%
- Osteoporosis21%
- Cancer13%
- Ischemic heart disease12%
Share of Medicare patients with each condition. A patient can have several.
Christine Ishikawa's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christine Chiyeko Ishikawa wrote 69 Medicare Part D claims in 2024
In 2024, Christine Ishikawa wrote 69 Medicare Part D claims for 32 patients. 48% of them were for generic drugs.
Christine Ishikawa's Part D claims by kind of drug, 2024
- Generic33 claims48%
- Brand-name36 claims52%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Christine Chiyeko Ishikawa takes part in Medicare
Christine Ishikawa accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 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)
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Christine Chiyeko Ishikawa received $71 in industry payments in 2025
CMS Open Payments shows 3 general payments to Christine Ishikawa from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $52.
Companies that paid Christine Ishikawa the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Christine Chiyeko Ishikawa graduated from New England College of Optometry
Christine Ishikawa graduated from New England College of Optometry in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Christine Chiyeko Ishikawa'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)Doctors and Clinicians Utilization Data (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 Christine Chiyeko Ishikawa
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christine Chiyeko Ishikawa's NPI number?
Christine Chiyeko Ishikawa's NPI number is 1689822793. It was assigned on September 3, 2008, and it is active in the NPI Registry.
What does Christine Chiyeko Ishikawa specialize in?
Christine Chiyeko Ishikawa is an optometrist in Aiea, Hawaii. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Christine Chiyeko Ishikawa practice?
Christine Ishikawa practices at 99-859 Iwaiwa Street, Aiea, HI 96701. Christine Ishikawa's primary practice is Diagnostic Laboratory Services - Aiea in Aiea, Hawaii. Dmand AI also links Christine Ishikawa to 1 group practice or clinic and 1 medical group.
What is Christine Chiyeko Ishikawa's office phone number?
The practice phone on file for Christine Ishikawa is (808) 589-5100.
What is Christine Chiyeko Ishikawa's medical license number?
Christine Ishikawa holds Hawaii license 624.
Does Christine Chiyeko Ishikawa accept Medicare?
Yes. CMS lists Christine Ishikawa as accepting Medicare assignment.
How many Medicare patients does Christine Chiyeko Ishikawa see?
CMS counts 217 Medicare patients who saw Christine Ishikawa in 2024, with an average age of 75.
Where did Christine Chiyeko Ishikawa go to medical school?
Christine Ishikawa graduated from New England College of Optometry in 2004.
Has Christine Chiyeko Ishikawa received payments from drug or device companies?
CMS Open Payments shows $71 in general payments to Christine Ishikawa from 2 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Christine Chiyeko Ishikawa been practicing?
Christine Ishikawa graduated from medical school in 2004, 22 years ago.
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