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SONALI NAYAK
NPI 1083199657
Anesthesiology in Los Angeles, CA

Active since September 30, 2018PECOS Enrolled
757 WESTWOOD PLZ STE 3325, LOS ANGELES, CA 90095(310) 825-9111 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 11, 2026, Sep 30, 2018 (2 updates tracked since 2018).

About Sonali Nayak NPPES

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

SONALI NAYAK (NPI 1083199657) is an individual anesthesiology provider in Los Angeles, California, licensed in California (A189105) and active in the NPI registry since September 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Northwestern University Feinberg Medical School (2022).

NPPES Registry Identity

NPI1083199657
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameSONALI NAYAK
Location Address757 WESTWOOD PLZ STE 3325Los Angeles, CA 90095-7043
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631
Phone(310) 825-9111
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2022
Enumeration DateSeptember 30, 2018
Last NPPES UpdateAugust 11, 20262 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
✔ NPI 1083199657 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A189105
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.
757 WESTWOOD PLZ STE 3325, Los Angeles, CA 90095
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Secondary Practice Location 1

Location 1240 E Huron St Ste 1-200Chicago, IL 60611-2909 · Phone (312) 503-7975

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sonali Nayak is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID840762092
PECOS Enrollment IDI20260618001347
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 Reassignment

Medicare enrollment records show Sonali Nayak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of California
Same address
Anesthesiology
757 WESTWOOD PLZ
Los Angeles, CA 90095
  • Reassigned Medicare billing, California enrollment
  • 295 clinicians in this Medicare group
NPI 1326096165 (310) 825-9111

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

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.

MARIYA SVILIK MD
Anesthesiology
757 WESTWOOD PLZ STE 3325
LOS ANGELES, CA 90095
Los Angeles County (310) 267-8626
DR. BIJAN NAVIDI M.D.
Anesthesiology
757 WESTWOOD PLZ STE 3325
LOS ANGELES, CA 90095
Los Angeles County (310) 267-8626
DR. FREDERICK CONRAD LI M.D.
Anesthesiology (Pain Medicine)
757 WESTWOOD PLZ STE 3325
LOS ANGELES, CA 90095
Los Angeles County (310) 794-4494
LEO LUAN LI MD
Anesthesiology
757 WESTWOOD PLZ STE 3325
LOS ANGELES, CA 90095
Los Angeles County (310) 267-6629
ANDREW THOMAS SCALES DO
Anesthesiology
757 WESTWOOD PLZ STE 3325
LOS ANGELES, CA 90095
Los Angeles County (310) 267-8626
DR. SO HEE LEE DNAP
Nurse Anesthetist, Certified Registered
757 WESTWOOD PLZ STE 3325
LOS ANGELES, CA 90095
Los Angeles County (310) 825-0867
SHELLY ANDERSON CRNA
Nurse Anesthetist, Certified Registered
757 WESTWOOD PLZ STE 3325
LOS ANGELES, CA 90095
Los Angeles County (331) 026-7389
DR. SUNGSOO KIM MD, PHD
Anesthesiology
757 WESTWOOD PLZ STE 3325
LOS ANGELES, CA 90095
Los Angeles County (310) 267-8626

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 Sonali Nayak's NPI number?

The NPI number for Sonali Nayak is 1083199657. It was assigned to this individual provider in the NPPES registry on September 30, 2018.

Where is Sonali Nayak located?

Sonali Nayak practices at 757 Westwood Plz Ste 3325, Los Angeles, CA 90095. The listed phone number is (310) 825-9111.

What is Sonali Nayak's specialty?

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

Is Sonali Nayak enrolled in Medicare?

Yes. Sonali Nayak is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sonali Nayak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sonali Nayak reassigns Medicare benefits to Regents Of The University Of California (Los Angeles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sonali Nayak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sonali Nayak was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.