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

SHAWN JOSHUA JANARTHANAN DO
NPI 1942999594
Psychiatry & Neurology - Child & Adolescent Psychiatry in San Diego, CA

Active since May 01, 2023PECOS Enrolled
3020 CHILDRENS WAY, SAN DIEGO, CA 92123(858) 576-1700 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 8, 2026, May 1, 2023 (2 updates tracked since 2023).

About Shawn Joshua Janarthanan Do NPPES

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

SHAWN JOSHUA JANARTHANAN DO (NPI 1942999594) is an individual child & adolescent psychiatry provider in San Diego, California, licensed in California (20A25287) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942999594
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameSHAWN JOSHUA JANARTHANANCredential: DO
Location Address3020 CHILDRENS WAYSan Diego, CA 92123-4223
Mailing Address3843 8th Ave Unit 708San Diego, CA 92103-0008 · (281) 630-1786
Sole ProprietorNo
Enumeration DateMay 1, 2023
Last NPPES UpdateJuly 8, 20262 updates tracked since enumeration
NPPES CertifiedJuly 8, 2026
NPI 1942999594 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License Licensed in CA · 20A25287
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
3020 CHILDRENS WAY, San Diego, CA 92123

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Shawn Joshua Janarthanan 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.

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.

Pathology (Pediatric Pathology)
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
Physician Assistant
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
Pediatrics (Pediatric Infectious Diseases)
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
Speech-Language Pathologist
3020 CHILDRENS WAY, MC5010
SAN DIEGO, CA 92123
Audiologist
3020 CHILDRENS WAY, MC 5010
SAN DIEGO, CA 92123
Pediatrics
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
Pediatrics (Pediatric Emergency Medicine)
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
Nurse Practitioner (Pediatrics)
3020 CHILDRENS WAY
SAN DIEGO, CA 92123

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 Shawn Janarthanan's NPI number?

The NPI number for Shawn Janarthanan is 1942999594. It was assigned to this individual provider in the NPPES registry on May 1, 2023.

Where is Shawn Janarthanan located?

Shawn Janarthanan practices at 3020 Childrens Way, San Diego, CA 92123. The listed phone number is (858) 576-1700.

What is Shawn Janarthanan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Shawn Janarthanan enrolled in Medicare?

Yes. Shawn Janarthanan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Shawn Janarthanan was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 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.