Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DENNIS DATUIN DO
NPI 1467926857
Internal Medicine in West Covina, CA

Active since January 18, 2019PECOS Enrolled
1135 S SUNSET AVE STE 401, WEST COVINA, CA 91790(626) 732-8390 Get Directions Write a Review

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 26, 2026, Aug 12, 2025, Sep 17, 2024 and 2 more (5 updates tracked since 2019).

About Dennis Datuin Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DENNIS DATUIN DO (NPI 1467926857) is an individual internal medicine provider in West Covina, California, licensed in California (20A24709) and active in the NPI registry since January 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1467926857
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDENNIS DATUINCredential: DO
Location Address1135 S SUNSET AVE STE 401West Covina, CA 91790-3921
Mailing Address1135 S Sunset Ave Ste 401West Covina, CA 91790-3921 · (626) 732-8390
Sole ProprietorYes
Enumeration DateJanuary 18, 2019
Last NPPES UpdateAugust 26, 20265 updates tracked since enumeration
NPPES CertifiedAugust 26, 2026
NPI 1467926857 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · 20A24709
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1135 S SUNSET AVE STE 401, West Covina, CA 91790

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dennis Datuin Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91790 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
1135 S SUNSET AVE STE 401
WEST COVINA, CA 91790
Family Medicine
1135 S SUNSET AVE STE 401
WEST COVINA, CA 91790
Family Medicine
1135 S SUNSET AVE STE 401
WEST COVINA, CA 91790
Specialist
1135 S SUNSET AVE STE 401
WEST COVINA, CA 91790
Nurse Practitioner (Pediatrics)
1135 S SUNSET AVE STE 401
WEST COVINA, CA 91790
Nurse Practitioner (Family)
1135 S SUNSET AVE STE 401
WEST COVINA, CA 91790
Nurse Practitioner (Family)
1135 S SUNSET AVE STE 401
WEST COVINA, CA 91790
Psychiatry & Neurology (Psychiatry)
1135 S SUNSET AVE STE 401
WEST COVINA, CA 91790

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dennis Datuin's NPI number?

The NPI number for Dennis Datuin is 1467926857. It was assigned to this individual provider in the NPPES registry on January 18, 2019.

Where is Dennis Datuin located?

Dennis Datuin practices at 1135 S Sunset Ave Ste 401, West Covina, CA 91790. The listed phone number is (626) 732-8390.

What is Dennis Datuin's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Dennis Datuin enrolled in Medicare?

Yes. Dennis Datuin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Dennis Datuin was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.