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DR. SIDDHARTHA KUMAR MD
NPI 1265464374
Psychiatry & Neurology - Psychiatry in Diamond Bar, CA

Active since July 07, 2006PECOS Enrolled
1336 BRIDGEGATE DR, DIAMOND BAR, CA 91765(626) 960-4844 Get Directions Write a Review

NPPES record last updated: December 8, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 8, 2021, Feb 3, 2017 (2 updates tracked since 2017).

About Dr. Siddhartha Kumar Md NPPES

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

DR. SIDDHARTHA KUMAR MD (NPI 1265464374) is an individual psychiatry provider in Diamond Bar, California, licensed in California (C54200) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265464374
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. SIDDHARTHA KUMARCredential: MD
Location Address1336 BRIDGEGATE DRDiamond Bar, CA 91765-3955
Mailing Address1336 Bridgegate DrDiamond Bar, CA 91765-3955 · (626) 960-4844 · Fax (909) 468-5565
Phone(626) 960-4844
Sole ProprietorNo
Enumeration DateJuly 7, 2006
Last NPPES UpdateDecember 8, 20212 updates tracked since enumeration
✔ NPI 1265464374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · C54200
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.
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License C54200 (CA)
1336 BRIDGEGATE DR, Diamond Bar, CA 91765
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Siddhartha Kumar Md 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 91765 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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 15

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

SAMANTHA NGUYEN MS,AMFT
Marriage & Family Therapist
1336 BRIDGEGATE DR
DIAMOND BAR, CA 91765
Los Angeles County (626) 960-4844
MRS. AMY MELISSA GOODSON
Marriage & Family Therapist
1336 BRIDGEGATE DR
DIAMOND BAR, CA 91765
Los Angeles County (626) 851-1011
KAISER FOUNDATION HEALTH PLAN INC
Pharmacy (Community/Retail Pharmacy)
1336 BRIDGEGATE DR
DIAMOND BAR, CA 91765
Los Angeles County (866) 551-9630
MRS. UCHE PHYLLIS ASIODU LCSW
Social Worker (Clinical)
1336 BRIDGEGATE DR
DIAMOND BAR, CA 91765
Los Angeles County (909) 486-5591
CARLA ANN BECKTELL LMFT
Marriage & Family Therapist
1336 BRIDGEGATE DR
DIAMOND BAR, CA 91765
Los Angeles County (833) 574-2273
SERENA SHEN DO
Family Medicine
1336 BRIDGEGATE DR
DIAMOND BAR, CA 91765
Los Angeles County (833) 574-2273
TRICIA DELA CRUZ LMFT
Counselor (Mental Health)
1336 BRIDGEGATE DR
DIAMOND BAR, CA 91765
Los Angeles County (909) 468-5685
LORENA MORENO LCSW
Social Worker (Clinical)
1336 BRIDGEGATE DR
DIAMOND BAR, CA 91765
Los Angeles County (626) 960-4844

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 Siddhartha Kumar's NPI number?

The NPI number for Siddhartha Kumar is 1265464374. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Where is Siddhartha Kumar located?

Siddhartha Kumar practices at 1336 Bridgegate Dr, Diamond Bar, CA 91765. The listed phone number is (626) 960-4844.

What is Siddhartha Kumar's specialty?

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

Is Siddhartha Kumar enrolled in Medicare?

Yes. Siddhartha Kumar is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Siddhartha Kumar was last updated on December 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.