DR. NISHA WARIKOO M.D.
NPI 1306164462
Psychiatry & Neurology - Psychiatry in Costa Mesa, CA

Q: What is Nisha Warikoo's NPI number?

The NPI number for Nisha Warikoo is 1306164462. It was assigned to this individual provider in the NPPES registry on May 13, 2010.

Q: What is Nisha Warikoo's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Nisha Warikoo was last updated on December 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since May 13, 2010PECOS Enrolled

301 VICTORIA ST, COSTA MESA, CA 92627(949) 665-0453 Get Directions Write a Review

NPPES record last updated: December 19, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 13, 2023, Jun 15, 2020, Jun 5, 2020 (3 updates tracked since 2020).

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About Dr. Nisha Warikoo M.d. NPPES

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

DR. NISHA WARIKOO M.D. (NPI 1306164462) is an individual psychiatry provider in Costa Mesa, California, licensed in California (A123598) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1306164462

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameDR. NISHA WARIKOOCredential: M.D.

Location Address301 VICTORIA STCosta Mesa, CA 92627-1995

Mailing Address19200 Von Karman Ave Ste 430Irvine, CA 92612-8553 · (949) 665-0453

Phone(949) 665-0453

Sole ProprietorYes

Medical School CMSOtherGraduated 2003

Enumeration DateMay 13, 2010

Last NPPES UpdateDecember 19, 20233 updates tracked since enumeration

NPPES CertifiedDecember 19, 2023

✔ NPI 1306164462 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 · A123598

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 A123598 (CA)

301 VICTORIA ST, Costa Mesa, CA 92627

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nisha Warikoo M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4385957943

PECOS Enrollment IDI20150724012429

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.

Medicare Billing Reassignments

Medicare enrollment records show Nisha Warikoo reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nisha Warikoo MD Inc

Same address

Child & Adolescent Psychiatry

301 VICTORIA ST
Costa Mesa, CA 92627

Reassigned Medicare billing, California enrollment

NPI 1710506308 (949) 665-0453

The Department Of Psychiatry

9.4 mi

Psychiatry

101 THE CITY DR S, BLDG 3
Orange, CA 92868

Reassigned Medicare billing, California enrollment
44 clinicians in this Medicare group

NPI 1831159003 (949) 824-1283

Uc Regents Uci Dept Of Pediatrics

9.4 mi

Pediatrics

101 THE CITY DR S
Orange, CA 92868

Reassigned Medicare billing, California enrollment
143 clinicians in this Medicare group

NPI 1235187311 (714) 456-8068

Scct Medical Group, PC

63 mi

Internal Medicine

23845 MCBEAN PKWY
Valencia, CA 91355

Reassigned Medicare billing, California enrollment
29 clinicians in this Medicare group

NPI 1952878795 (661) 200-1122

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

148 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92627 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 20

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

SUMMER MARIE DEL REAL PMHNP

Nurse Practitioner (Psychiatric/Mental Health)