1. Home
  2. Directory
  3. California
  4. Pasadena
  5. Pediatrics
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JANESRI DE SILVA M D A PROFESSIONALCORP
NPI 1326278490
Pediatrics in Pasadena, CA

Active since July 22, 2009CLIA Certified · 11 labs
504 S SIERRA MADRE BLVD, PASADENA, CA 91107(818) 361-5437(626) 406-1800 Get Directions Write a Review

NPPES record last updated: November 5, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 5, 2026, Jun 15, 2020 (2 updates tracked since 2020).

About Janesri De Silva M D A Professionalcorp NPPES

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

JANESRI DE SILVA M D A PROFESSIONALCORP (NPI 1326278490) is a healthcare organization registered as a pediatrics in Pasadena, California and active in the NPI registry since July 2009. The organization holds 11 active CLIA laboratory certificates and lists Janesri Wijayangani De Silva, President, as its authorized official.

NPPES Registry Identity

NPI1326278490
Entity TypeOrganization
Primary Taxonomy208000000X
Legal Business NameJANESRI DE SILVA M D A PROFESSIONALCORP
Location Address504 S SIERRA MADRE BLVDPasadena, CA 91107-5240
Mailing Address504 S Sierra Madre BlvdPasadena, CA 91107-5240 · (818) 361-5437 · Fax (626) 406-1800
Phone(818) 361-5437
Fax(626) 406-1800
Organization SubpartNo
Authorized OfficialJanesri Wijayangani De SilvaPresident · (818) 361-5437
Enumeration DateJuly 22, 2009
Last NPPES UpdateNovember 5, 20262 updates tracked since enumeration
NPPES CertifiedNovember 5, 2026
✔ NPI 1326278490 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A88991
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedPediatrics · Adolescent MedicineTaxonomy 2080A0000X · License A88991 (CA)
504 S SIERRA MADRE BLVD, Pasadena, CA 91107
Open in Google Maps ↗

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 MULTIPLE SINGLE 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)

Janesri De Silva M D A Professionalcorp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Janesri De Silva M D A Professionalcorp, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Marek Zdarzyl, M.D.
Internal Medicine
NPI 1386618270
1818 VERDUGO BLVD SUITE 407
Glendale, CA 91208
(818) 952-7251
✔ PECOS8.1 mi
Janesri De Silva, M.D.
Pediatric Medicine
NPI 1568502953
10550 SEPULVEDA BLVD SUITE 101
Mission Hills, CA 91345
(818) 361-5437
✔ PECOS✔ Accepts Medicare23 mi
Benjamin Behroozan, M.D.
General Practice
NPI 1750440681
2221 LINCOLN BLVD # 200
Santa Monica, CA 90405
(310) 396-9999
✔ PECOS23 mi
Trish Reyes, NURSE PRACTITIONER
Nurse Practitioner
NPI 1972002228
2791 AGOURA RD
Westlake Village, CA 91361
(866) 389-2727
✔ PECOS41 mi

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

CLIA Laboratory Certificates CMS CLIA 11

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0864979

Kids And Teens Medical Group · Pasadena, CA
Active · expires Dec 7, 2027
CLIA Number05D0864979
Laboratory TypePhysician Office
Certificate Effective DateDecember 8, 2025
Certificate Expiration DateDecember 7, 2027
Laboratory DirectorJanesri De Silva, MD
Laboratory Phone(818) 361-5437
Laboratory LocationKids And Teens Medical Group504 S Sierra Madre Blvd, Pasadena, CA 91107
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D0995283

Kids & Teens Medical Group · Pico Rivera, CA
Active · expires Sep 10, 2028
CLIA Number05D0995283
Laboratory TypePhysician Office
Certificate Effective DateSeptember 11, 2026
Certificate Expiration DateSeptember 10, 2028
Laboratory DirectorJanesri J. De Silva
Laboratory Phone(818) 361-5437
Laboratory LocationKids & Teens Medical Group8337 Telegraph Rd Ste 119, Pico Rivera, CA 90660
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D0684912

Kids & Teens Medical Group · Santa Monica, CA
Active · expires Aug 31, 2028
CLIA Number05D0684912
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorJanesri De Silva
Laboratory Phone(818) 361-5437
Laboratory LocationKids & Teens Medical Group2221 Lincoln Blvd Ste 200, Santa Monica, CA 90405
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2153733

Kids And Teens Medical Group · Arcadia, CA
Active · expires Aug 28, 2028
CLIA Number05D2153733
Laboratory TypePhysician Office
Certificate Effective DateAugust 29, 2026
Certificate Expiration DateAugust 28, 2028
Laboratory DirectorJanesri De Silva
Laboratory Phone(818) 361-5437
Laboratory LocationKids And Teens Medical Group16 E Huntington Dr, Arcadia, CA 91006
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D0705873

Kids And Teens Medical Group · La Mirada, CA
Active · expires Jun 13, 2028
CLIA Number05D0705873
Laboratory TypePhysician Office
Certificate Effective DateJune 14, 2026
Certificate Expiration DateJune 13, 2028
Laboratory DirectorJanesri De Silva
Laboratory Phone(818) 361-5437
Laboratory LocationKids And Teens Medical Group12675 La Mirada Blvd #200, La Mirada, CA 90638
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2304616

Kids & Teens Medical Group · Glendale, CA
Active · expires May 14, 2028
CLIA Number05D2304616
Laboratory TypePhysician Office
Certificate Effective DateMay 15, 2026
Certificate Expiration DateMay 14, 2028
Laboratory DirectorJanesri De Silva
Laboratory Phone(818) 361-5437
Laboratory LocationKids & Teens Medical Group1530 E Chevy Chase Dr, Ste 202, Glendale, CA 91206
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Janesri De Silva M D A Professionalcorp's NPI number?

The NPI number for Janesri De Silva M D A Professionalcorp is 1326278490. It was assigned to this organization in the NPPES registry on July 22, 2009.

Where is Janesri De Silva M D A Professionalcorp located?

Janesri De Silva M D A Professionalcorp is located at 504 S Sierra Madre Blvd, Pasadena, CA 91107. The listed phone number is (818) 361-5437.

What is Janesri De Silva M D A Professionalcorp's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Janesri De Silva M D A Professionalcorp enrolled in Medicare?

Yes. Janesri De Silva M D A Professionalcorp is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Janesri De Silva M D A Professionalcorp?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Janesri De Silva M D A Professionalcorp, in General Practice, Internal Medicine, Nurse Practitioner and Pediatric Medicine. 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. Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Janesri De Silva M D A Professionalcorp hold CLIA laboratory certificates?

Yes. 11 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Janesri De Silva M D A Professionalcorp was last updated on November 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.