John K. Tanaka, DDS
- Part D claims, 2024
- 12
- Industry payments
- $238
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 2034 Forest Ave Ste 1a Suite 1a, San Jose, CA 95128-4809
- Practice phone
- Call (408) 279-8080
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Derek Y. Nishimori
Dental practice · San Jose, California
Find John Tanaka'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.
John K. Tanaka is a dentist in San Jose, California
John Tanaka practices at Derek Y. Nishimori in San Jose, California.
John Tanaka's NPI, 1417154337, was assigned on July 3, 2007. John Tanaka holds California license 35347.
- NPI
- 1417154337NPI Registry (opens in a new tab)
- NPI enumeration date
- July 3, 2007
- NPI status
- Active
- Practice phone
- (408) 279-8080
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John K. Tanaka practices at Derek Y. Nishimori in San Jose, California
John Tanaka's primary practice is Derek Y. Nishimori, at 2034 Forest Ave Ste 1a Suite 1a, San Jose, CA 95128-4809. The practice phone is (408) 279-8080.
- Derek Y. Nishimori2034 Forest Ave Ste 1a Suite 1a, San Jose, CA 95128-4809Phone(408) 279-8080
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John K. Tanaka is affiliated with 1 site of care and 1 medical group
John Tanaka's primary practice is Derek Y. Nishimori in San Jose, California. Dmand AI also links John Tanaka to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at John K. Tanaka's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Tanaka practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Derek Y. Nishimori | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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John K. Tanaka is one of 6,282 dentists in California
Dentist is John Tanaka's primary specialty in the NPI Registry, under taxonomy code 122300000X. John Tanaka is licensed in California.
Specialties and state licenses
- Dentist, CaliforniaPrimary
Dentists near John Tanaka
Counts of dentists 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
John K. Tanaka wrote 12 Medicare Part D claims in 2024
In 2024, John Tanaka wrote 12 Medicare Part D claims. 100% of them were for generic drugs.
Drug classes CMS tracks in John Tanaka's Part D claims, 2024
- Antibiotics100%12 of 12 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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.
John K. Tanaka received $238 in industry payments in 2025
CMS Open Payments shows 4 general payments to John Tanaka from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $146.
Companies that paid John Tanaka 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 John K. Tanaka'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 John K. Tanaka
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John K. Tanaka's NPI number?
John K. Tanaka's NPI number is 1417154337. It was assigned on July 3, 2007, and it is active in the NPI Registry.
What does John K. Tanaka specialize in?
John K. Tanaka is a dentist in San Jose, California. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does John K. Tanaka practice?
John Tanaka practices at 2034 Forest Ave Ste 1a Suite 1a, San Jose, CA 95128-4809. John Tanaka's primary practice is Derek Y. Nishimori in San Jose, California. Dmand AI also links John Tanaka to 1 medical group.
What is John K. Tanaka's office phone number?
The practice phone on file for John Tanaka is (408) 279-8080.
What is John K. Tanaka's medical license number?
John Tanaka holds California license 35347.
Has John K. Tanaka received payments from drug or device companies?
CMS Open Payments shows $238 in general payments to John Tanaka from 3 companies from 2025 to 2025. The largest total came from Abiomed.
How long has John K. Tanaka been practicing?
John Tanaka's NPI was assigned in 2007.
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