BERTRAND DESILVA M D INC
NPI 1831458900
Internal Medicine - Sleep Medicine in Riverside, CA

Q: What is Bertrand Desilva M D Inc's NPI number?

The NPI number for Bertrand Desilva M D Inc is 1831458900. It was assigned to this organization in the NPPES registry on May 10, 2012.

Q: What is Bertrand Desilva M D Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Active since May 10, 2012

4121 BROCKTON AVE STE 104, RIVERSIDE, CA 92501(951) 778-0032 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 7, 2026, Oct 9, 2024, Feb 7, 2020 and 1 more (4 updates tracked since 2018).

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About Bertrand Desilva M D Inc NPPES

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

BERTRAND DESILVA M D INC (NPI 1831458900) is a healthcare organization registered as a sleep medicine in Riverside, California and active in the NPI registry since May 2012. The organization lists Bertrand Desilva, Owner, as its authorized official.

NPPES Registry Identity

NPI1831458900

Entity TypeOrganization

Primary Taxonomy207RS0012X

Legal Business NameBERTRAND DESILVA M D INC

Location Address4121 BROCKTON AVE STE 104Riverside, CA 92501-3442

Mailing Address4121 Brockton Ave Ste 104Riverside, CA 92501-3442 · (951) 778-0032

Phone(951) 778-0032

Organization SubpartNo

Authorized OfficialBertrand DesilvaOwner · (714) 673-2603

Enumeration DateMay 10, 2012

Last NPPES UpdateJanuary 7, 20264 updates tracked since enumeration

NPPES CertifiedJanuary 7, 2026

✔ NPI 1831458900 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RS0012X

License✔ Licensed in CA · A46400

Definition

An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Also ListedInternal MedicineTaxonomy 207R00000X · License A46400 (CA)

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License A46400 (CA)

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License A46400 (CA)

4121 BROCKTON AVE STE 104, Riverside, CA 92501

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Bertrand Desilva M D Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Bertrand Desilva M D Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Errajith Desilva, M.D.

Critical Care (Intensivists)

NPI 1083712236

4121 BROCKTON AVE STE 104
Riverside, CA 92501

(951) 778-0032

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Bertrand Desilva M D Inc's NPI number?

The NPI number for Bertrand Desilva M D Inc is 1831458900. It was assigned to this organization in the NPPES registry on May 10, 2012.

Where is Bertrand Desilva M D Inc located?

Bertrand Desilva M D Inc is located at 4121 Brockton Ave Ste 104, Riverside, CA 92501. The listed phone number is (951) 778-0032.

What is Bertrand Desilva M D Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is Bertrand Desilva M D Inc enrolled in Medicare?

Yes. Bertrand Desilva M D Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Bertrand Desilva M D Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Critical Care (Intensivists)) reassigns their Medicare billing to Bertrand Desilva M D Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Bertrand Desilva M D Inc was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.