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SIDDHARTH SINGH D.O.
NPI 1609134261
Anesthesiology in Irvine, CA

Active since May 01, 2012PECOS EnrolledAccepts Medicare Assignment
1000 FIVEPOINT, IRVINE, CA 92618(888) 333-4673 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 15, 2026, Jul 21, 2022, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Siddharth Singh D.o. NPPES

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

SIDDHARTH SINGH D.O. (NPI 1609134261) is an individual anesthesiology provider in Irvine, California, licensed in California (20A15374) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1609134261
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameSIDDHARTH SINGHCredential: D.O.
Location Address1000 FIVEPOINTIrvine, CA 92618-2621
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-7400
Phone(888) 333-4673
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateMay 1, 2012
Last NPPES UpdateJanuary 15, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 15, 2026
✔ NPI 1609134261 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · 20A15374
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1000 FIVEPOINT, Irvine, CA 92618
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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 and accepts Medicare assignment

Siddharth Singh D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961771761
PECOS Enrollment IDI20170711001767
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.

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.

Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
12 services12 patients

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.

DR. ARNOLD KIM MD
Anesthesiology
1000 FIVEPOINT
IRVINE, CA 92618
Orange County (888) 333-4673
DR. AMY RUTH COPELAND MD
Surgery (Surgical Oncology)
1000 FIVEPOINT, BLDG A
IRVINE, CA 92618
Orange County (949) 671-8000
MRS. AMBER HARDY RICKNER NP
Nurse Practitioner (Acute Care)
1000 FIVEPOINT
IRVINE, CA 92618
Orange County (949) 671-4673
CAROLYN THOMPSON CHUDY DO
Physical Medicine & Rehabilitation (Sports Medicine)
1000 FIVEPOINT
IRVINE, CA 92618
Orange County (800) 826-4673
DR. NGOC N. LE
Radiology (Vascular & Interventional Radiology)
1000 FIVEPOINT
IRVINE, CA 92618
Orange County (800) 826-4673
DR. ANNIE CHEN MD
Internal Medicine (Pulmonary Disease)
1000 FIVEPOINT
IRVINE, CA 92618
Orange County (800) 826-4673
DR. HOSSEIN MEHDIKHANI KARIMABAD M.D.
Radiology (Diagnostic Radiology)
1000 FIVEPOINT
IRVINE, CA 92618
Orange County (847) 342-6842
DR. JUNG WOOK KIM MD
Internal Medicine (Pulmonary Disease)
1000 FIVEPOINT
IRVINE, CA 92618
Orange County (888) 333-4673

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 Singh's NPI number?

The NPI number for Siddharth Singh is 1609134261. It was assigned to this individual provider in the NPPES registry on May 1, 2012.

Where is Siddharth Singh located?

Siddharth Singh practices at 1000 Fivepoint, Irvine, CA 92618. The listed phone number is (888) 333-4673.

What is Siddharth Singh's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Siddharth Singh enrolled in Medicare?

Yes. Siddharth Singh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Siddharth Singh was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.