Gregory Yamaguchi, OD
- Part D claims, 2024
- 184
- Hospital affiliations
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2019
- Practice address
- 13652 Cantara St, Panorama City, CA 91402
- Practice phone
- Call (818) 375-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Gregory Yamaguchi'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.
Gregory Yamaguchi is an optometrist in Panorama City, California
Gregory Yamaguchi practices at Panorama City Medical Center in Panorama City, California, part of Kaiser Permanente.
Gregory Yamaguchi's NPI, 1922569938, was assigned on March 31, 2019. Gregory Yamaguchi holds California license OPT34640.
- NPI
- 1922569938NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850710302
- NPI enumeration date
- March 31, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 375-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory Yamaguchi practices at Panorama City Medical Center in Panorama City, California
Gregory Yamaguchi's primary practice is Panorama City Medical Center, at 13652 Cantara St, Panorama City, CA 91402 in Los Angeles County. The practice phone is (818) 375-2000.
- Panorama City Medical Center13652 Cantara St, Panorama City, CA 91402 · Los Angeles CountyPhone(818) 375-2000
Source: Dmand AI Affiliation Data
Gregory Yamaguchi is affiliated with 1 site of care and 1 medical group
Gregory Yamaguchi's primary practice is Panorama City Medical Center in Panorama City, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory Yamaguchi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Yamaguchi practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Panorama City 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 Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Gregory Yamaguchi is one of 7,206 optometrists in California
Optometrist is Gregory Yamaguchi's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has Gregory Yamaguchi's licenses on file in 2 states: California and Arizona.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
- Arizona license
Optometrists near Gregory Yamaguchi
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
Gregory Yamaguchi's patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Gregory Yamaguchi's median patient age at 48, with 66% women.
Gregory Yamaguchi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women66%
- Men34%
Source: Dmand AI Patient Panel Data
Gregory Yamaguchi wrote 184 Medicare Part D claims in 2024
In 2024, Gregory Yamaguchi wrote 184 Medicare Part D claims for 65 patients. 90% of them were for generic drugs.
Gregory Yamaguchi's Part D claims by kind of drug, 2024
- Generic166 claims90%
- Brand-name18 claims10%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Gregory Yamaguchi takes part in Medicare
Gregory Yamaguchi 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.
Sources for Gregory Yamaguchi'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 (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) |
| 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 Gregory Yamaguchi
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory Yamaguchi's NPI number?
Gregory Yamaguchi's NPI number is 1922569938. It was assigned on March 31, 2019, and it is active in the NPI Registry.
What does Gregory Yamaguchi specialize in?
Gregory Yamaguchi is an optometrist in Panorama City, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Gregory Yamaguchi practice?
Gregory Yamaguchi practices at 13652 Cantara St, Panorama City, CA 91402. Gregory Yamaguchi's primary practice is Panorama City Medical Center in Panorama City, California, part of Kaiser Permanente.
What is Gregory Yamaguchi's office phone number?
The practice phone on file for Gregory Yamaguchi is (818) 375-2000.
What is Gregory Yamaguchi's medical license number?
Gregory Yamaguchi holds California license OPT34640, one of the licenses on file in 2 states.
Which states has Gregory Yamaguchi been licensed in?
Dmand AI has state licenses on file for Gregory Yamaguchi in California and Arizona.
Which hospitals is Gregory Yamaguchi affiliated with?
Gregory Yamaguchi practices at Panorama City Medical Center in Panorama City, California.
What medical group is Gregory Yamaguchi part of?
Gregory Yamaguchi is linked to Southern California Permanente Medical Group.
Does Gregory Yamaguchi accept Medicare?
Yes. CMS lists Gregory Yamaguchi as accepting Medicare assignment.
How long has Gregory Yamaguchi been practicing?
Gregory Yamaguchi graduated from medical school in 2019, 7 years ago.
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