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SONJA DARWISH
NPI 1316599004
Psychiatry & Neurology - Neurology in West Hollywood, CA

Active since July 12, 2019PECOS Enrolled
8700 BEVERLY BLVD STE 5512, WEST HOLLYWOOD, CA 90048(310) 423-2811 Get Directions Write a Review

NPPES record last updated: September 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 16, 2025, Apr 8, 2023, Jul 12, 2019 (3 updates tracked since 2019).

About Sonja Darwish NPPES

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

SONJA DARWISH (NPI 1316599004) is an individual neurology provider in West Hollywood, California, licensed in California (A182238) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS and is a graduate of Drexel University College Of Medicine (2019).

NPPES Registry Identity

NPI1316599004
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameSONJA DARWISH
Location Address8700 BEVERLY BLVD STE 5512West Hollywood, CA 90048-1804
Mailing Address117 Pepperwood CtDanville, CA 94506-2169
Phone(310) 423-2811
Sole ProprietorYes
Medical School CMSDrexel University College Of MedicineGraduated 2019
Enumeration DateJuly 12, 2019
Last NPPES UpdateSeptember 16, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2025
✔ NPI 1316599004 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · A182238
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
8700 BEVERLY BLVD STE 5512, West Hollywood, CA 90048
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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)

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

PECOS PAC ID5597121780
PECOS Enrollment IDI20230512001784
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

5

Medicare enrollment records show Sonja Darwish reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of Claifornia Univ Neursciences
34 mi
Neurology
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 135 clinicians in this Medicare group
NPI 1205884210 (714) 456-8068
Contra Costa County
334 mi
Adult Mental Health
2311 LOVERIDGE RD, 1ST AND 2ND FLOORS
Pittsburg, CA 94565
  • Reassigned Medicare billing, California enrollment
  • 530 clinicians in this Medicare group
NPI 1073691598 (925) 431-2600
John Muir Trauma Physicians Billing Service
335 mi
Hospitalist
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 810 clinicians in this Medicare group
NPI 1093864837 (925) 947-5331
Moussa F Yazbeck MD Inc
335 mi
Personal Emergency Response Attendant
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 8 clinicians in this Medicare group
NPI 1013313071 (479) 806-5319
Bay Area Neurointensivists Inc
335 mi
Critical Care Medicine
323 LENNON LN
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 21 clinicians in this Medicare group
NPI 1972149748 (925) 437-8841

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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.

MATTHEW HERMOSURA BAUTISTA
Student in an Organized Health Care Education/Training Program
8700 BEVERLY BLVD STE 5512
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-5161
LILY JAMNESHAN MD
Student in an Organized Health Care Education/Training Program
8700 BEVERLY BLVD STE 5512
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-5161
DR. VAN NGO MD
Student in an Organized Health Care Education/Training Program
8700 BEVERLY BLVD STE 5512
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-5161
ALEX BENJAMIN LEVINE MD
Student in an Organized Health Care Education/Training Program
8700 BEVERLY BLVD STE 5512
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-5161
KAREN TSUNG
Student in an Organized Health Care Education/Training Program
8700 BEVERLY BLVD STE 5512
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-5161
AUSTIN GONZALEZ MD
Hospitalist
8700 BEVERLY BLVD STE 5512
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-5161
SALIM CHAMOUN
Student in an Organized Health Care Education/Training Program
8700 BEVERLY BLVD STE 5512
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-5161
JASMINE DENG
Student in an Organized Health Care Education/Training Program
8700 BEVERLY BLVD STE 5512
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-5161

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 Sonja Darwish's NPI number?

The NPI number for Sonja Darwish is 1316599004. It was assigned to this individual provider in the NPPES registry on July 12, 2019.

Where is Sonja Darwish located?

Sonja Darwish practices at 8700 Beverly Blvd Ste 5512, West Hollywood, CA 90048. The listed phone number is (310) 423-2811.

What is Sonja Darwish's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Sonja Darwish enrolled in Medicare?

Yes. Sonja Darwish is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sonja Darwish's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sonja Darwish reassigns Medicare benefits to 5 organizations: Regents Of The University Of Claifornia Univ Neursciences (Orange, CA), Contra Costa County (Pittsburg, CA), John Muir Trauma Physicians Billing Service (Walnut Creek, CA), Moussa F Yazbeck MD Inc (Walnut Creek, CA) and Bay Area Neurointensivists Inc (Walnut Creek, CA). Each 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 Sonja Darwish'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 Sonja Darwish was last updated on September 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.