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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

SIDDHARTH NIRANJAN MACHIRAJU MD, MPH
NPI 1104676139
Psychiatry & Neurology - Psychiatry in San Diego, CA

Active since March 25, 2024
200 W ARBOR DR # 8218, SAN DIEGO, CA 92103(619) 471-0283 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, May 29, 2026 (2 updates tracked since 2026).

About Siddharth Niranjan Machiraju Md, Mph NPPES

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

SIDDHARTH NIRANJAN MACHIRAJU MD, MPH (NPI 1104676139) is an individual psychiatry provider in San Diego, California, licensed in California (A204450) and active in the NPI registry since March 2024.

NPPES Registry Identity

NPI1104676139
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameSIDDHARTH NIRANJAN MACHIRAJUCredential: MD, MPH
Location Address200 W ARBOR DR # 8218San Diego, CA 92103-1911
Mailing Address200 W Arbor Dr # 8218San Diego, CA 92103-1911
Phone(619) 471-0283
Sole ProprietorNo
Enumeration DateMarch 25, 2024
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPPES CertifiedJuly 13, 2026
✔ NPI 1104676139 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A204450
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
200 W ARBOR DR # 8218, San Diego, CA 92103
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Other Providers at the Same Location NPPES 19

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

DAVID PEREKOPSKIY
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR # 8218
SAN DIEGO, CA 92103
San Diego County (619) 471-0283
GABRIEL DAVID ZAMORA MD
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR # 8218
SAN DIEGO, CA 92103
San Diego County (619) 471-0283
JAMES EDWARD LAUREL ASUNCION MD, PHD
Psychiatry & Neurology (Psychiatry)
200 W ARBOR DR # 8218
SAN DIEGO, CA 92103
San Diego County (619) 471-0283
DR. PRIANKA KUMAR MD
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR # 8218
SAN DIEGO, CA 92103
San Diego County (619) 471-0283
MICHAELA ROSE RAND MD
Psychiatry & Neurology (Psychiatry)
200 W ARBOR DR # 8218
SAN DIEGO, CA 92103
San Diego County (619) 471-0283
KAYLYN CIERRA MATTICK
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR # 8218
SAN DIEGO, CA 92103
San Diego County (619) 471-0283
DR. MICHAEL BASSETT MD
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR # 8218
SAN DIEGO, CA 92103
San Diego County (619) 471-0283
MARGARET MILLER MD, MS
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR # 8218
SAN DIEGO, CA 92103
San Diego County (619) 471-0283

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 Siddharth Machiraju's NPI number?

The NPI number for Siddharth Machiraju is 1104676139. It was assigned to this individual provider in the NPPES registry on March 25, 2024.

Where is Siddharth Machiraju located?

Siddharth Machiraju practices at 200 W Arbor Dr # 8218, San Diego, CA 92103. The listed phone number is (619) 471-0283.

What is Siddharth Machiraju's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Siddharth Machiraju was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.