Staci Maki Hamamoto, OD
- Medicare patients, 2024
- 116
- Part D claims, 2024
- 70
- Industry payments
- $514
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 8403 N Fallbrook Ave, West Hills, CA 91304
- Practice phone
- Call (800) 877-2515
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Diagnostics
West Hills, California
Find Staci Hamamoto'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.
Staci Maki Hamamoto is an optometrist in West Hills, California
Staci Hamamoto practices at Quest Diagnostics in West Hills, California.
Staci Hamamoto's NPI, 1912074204, was assigned on November 29, 2006. Staci Hamamoto holds California license OPT13190TPA.
- NPI
- 1912074204NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668570771
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Practice phone
- (800) 877-2515
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Staci Maki Hamamoto practices at Quest Diagnostics in West Hills, California
Staci Hamamoto's primary practice is Quest Diagnostics, at 8403 N Fallbrook Ave, West Hills, CA 91304 in Los Angeles County. The practice phone is (800) 877-2515.
- Quest Diagnostics8403 N Fallbrook Ave, West Hills, CA 91304 · Los Angeles CountyPhone(800) 877-2515
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Staci Maki Hamamoto is affiliated with 3 sites of care and 2 medical groups
Staci Hamamoto's primary practice is Quest Diagnostics in West Hills, California. Dmand AI also links Staci Hamamoto to 2 group practices and clinics and 2 medical groups, 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 Staci Maki Hamamoto's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Staci Hamamoto practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Diagnostics | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Staci Maki Hamamoto is one of 7,206 optometrists in California
Optometrist is Staci Hamamoto's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Staci Hamamoto is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Staci Hamamoto
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
Staci Maki Hamamoto treated 116 Medicare patients in 2024, average age 76
CMS counts 116 Medicare patients who saw Staci Hamamoto in 2024. The largest group is 65 to 74, with 53 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Staci Hamamoto's median patient age at 65, with 63% women.
Staci Hamamoto's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Staci Hamamoto's Medicare patients by sex, 2024
- Women8170%
- Men3530%
Chronic conditions among Staci Hamamoto's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease38%
- Arthritis37%
- Diabetes34%
- Osteoporosis22%
- Cancer18%
- Chronic kidney disease18%
Share of Medicare patients with each condition. A patient can have several.
Staci Hamamoto's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women63%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Staci Maki Hamamoto wrote 70 Medicare Part D claims in 2024
In 2024, Staci Hamamoto wrote 70 Medicare Part D claims for 40 patients. 74% of them were for generic drugs.
Staci Hamamoto's Part D claims by kind of drug, 2024
- Generic52 claims74%
- Brand-name18 claims26%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Staci Maki Hamamoto takes part in Medicare
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Source: Doctors and Clinicians Utilization Data (CMS)
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Staci Maki Hamamoto received $514 in industry payments in 2025
CMS Open Payments shows 11 general payments to Staci Hamamoto from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $272.
Companies that paid Staci Hamamoto the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Staci Maki Hamamoto'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) |
| 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 Utilization Data (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 Staci Maki Hamamoto
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Staci Maki Hamamoto's NPI number?
Staci Maki Hamamoto's NPI number is 1912074204. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What does Staci Maki Hamamoto specialize in?
Staci Maki Hamamoto is an optometrist in West Hills, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Staci Maki Hamamoto practice?
Staci Hamamoto practices at 8403 N Fallbrook Ave, West Hills, CA 91304. Staci Hamamoto's primary practice is Quest Diagnostics in West Hills, California. Dmand AI also links Staci Hamamoto to 2 group practices and clinics and 2 medical groups.
What is Staci Maki Hamamoto's office phone number?
The practice phone on file for Staci Hamamoto is (800) 877-2515.
What is Staci Maki Hamamoto's medical license number?
Staci Hamamoto holds California license OPT13190TPA.
How many Medicare patients does Staci Maki Hamamoto see?
CMS counts 116 Medicare patients who saw Staci Hamamoto in 2024, with an average age of 76.
Has Staci Maki Hamamoto received payments from drug or device companies?
CMS Open Payments shows $514 in general payments to Staci Hamamoto from 6 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Staci Maki Hamamoto been practicing?
Staci Hamamoto graduated from medical school in 2006, 20 years ago.
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