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Dennis L. Tiu, DMD

  • Fresno, CA
  • Dentist
NPI1720181779
Part D claims, 2024
185
Industry payments
$20
Affiliated sites
1
State license
1
Year NPI issued
2006
Practice address
2051 N Fresno St, Fresno, CA 93703-2237
Practice phone
Call (559) 389-0080
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Dennis Tiu DMD, Inc.

Physician office · Fresno, California

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Dennis L. Tiu is a dentist in Fresno, California

Dennis Tiu practices at Dennis Tiu DMD, Inc. in Fresno, California.

Dennis Tiu's NPI, 1720181779, was assigned on September 6, 2006. Dennis Tiu holds California license 42893.

NPI and contact details
NPI
1720181779NPI Registry (opens in a new tab)
NPI enumeration date
September 6, 2006
NPI status
Active
Practice phone
(559) 389-0080
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dennis L. Tiu practices at 2 locations in Fresno, California

Dennis Tiu's primary practice is Dennis Tiu DMD, Inc., at 2051 N Fresno St, Fresno, CA 93703-2237. The practice phone is (559) 389-0080. The NPI Registry lists Dennis Tiu's practice address as 1658 N Blackstone Ave, Fresno, CA 93703.

  • Dennis Tiu DMD, Inc.Primary
    2051 N Fresno St, Fresno, CA 93703-2237Phone(559) 389-0080
  • NPI Registry address
    1658 N Blackstone Ave, Fresno, CA 93703Phone(559) 444-0444

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dennis L. Tiu is affiliated with 1 site of care

Dennis Tiu's primary practice is Dennis Tiu DMD, Inc. in Fresno, California.

Dennis Tiu DMD, Inc.Physician office · Fresno, CaliforniaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dennis L. Tiu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dennis Tiu practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dennis Tiu DMD, Inc.Available with a free account

Source: Dmand AI Technology Install Data

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Dennis L. Tiu is one of 6,282 dentists in California

Dentist is Dennis Tiu's primary specialty in the NPI Registry, under taxonomy code 122300000X. Dennis Tiu is licensed in California.

Specialties and state licenses

  • Dentist, CaliforniaPrimaryLicense 42893 · taxonomy 122300000X

Dentists near Dennis Tiu

Counts of dentists with a Dmand AI profile, by place and practice. Each opens the list.

6,282dentists in California80dentists in Fresno

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dennis L. Tiu wrote 185 Medicare Part D claims in 2024

In 2024, Dennis Tiu wrote 185 Medicare Part D claims for 80 patients. 100% of them were for generic drugs.

Part D claims, 2024185
Part D patients80

Drug classes CMS tracks in Dennis Tiu's Part D claims, 2024

  • Antibiotics54%99 of 185 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

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Dennis L. Tiu received $20 in industry payments in 2025

CMS Open Payments shows 1 general payment to Dennis Tiu from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Dentsply Sirona Inc paid the most, $20.

Companies that paid Dennis Tiu the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dennis Tiu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dennis L. Tiu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dennis L. Tiu

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dennis L. Tiu's NPI number?

Dennis L. Tiu's NPI number is 1720181779. It was assigned on September 6, 2006, and it is active in the NPI Registry.

What does Dennis L. Tiu specialize in?

Dennis L. Tiu is a dentist in Fresno, California. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).

Where does Dennis L. Tiu practice?

Dennis Tiu practices at 2051 N Fresno St, Fresno, CA 93703-2237. Dennis Tiu also practices at 1658 N Blackstone Ave, Fresno, CA 93703. Dennis Tiu's primary practice is Dennis Tiu DMD, Inc. in Fresno, California.

What is Dennis L. Tiu's office phone number?

The practice phone on file for Dennis Tiu is (559) 389-0080.

What is Dennis L. Tiu's medical license number?

Dennis Tiu holds California license 42893.

Has Dennis L. Tiu received payments from drug or device companies?

CMS Open Payments shows $20 in general payments to Dennis Tiu from 1 company from 2025 to 2025. The largest total came from Dentsply Sirona Inc.

How long has Dennis L. Tiu been practicing?

Dennis Tiu's NPI was assigned in 2006.

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