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DR. MARC DAVID DADIOS M.D.
NPI 1144608555
Pediatrics in West Hollywood, CA

Active since May 18, 2015PECOS Enrolled
8700 BEVERLY BLVD STE 4221, WEST HOLLYWOOD, CA 90048(310) 423-5000 Get Directions Write a Review

NPPES record last updated: May 3, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 3, 2022, Sep 16, 2021 (2 updates tracked since 2021).

About Dr. Marc David Dadios M.d. NPPES

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

DR. MARC DAVID DADIOS M.D. (NPI 1144608555) is an individual pediatrics provider in West Hollywood, California, licensed in California (A146121) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1144608555
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. MARC DAVID DADIOSCredential: M.D.
Location Address8700 BEVERLY BLVD STE 4221West Hollywood, CA 90048-1804
Mailing Address4140 W 190th StTorrance, CA 90504-5513
Phone(310) 423-5000
Sole ProprietorNo
Enumeration DateMay 18, 2015
Last NPPES UpdateMay 3, 20222 updates tracked since enumeration
NPPES CertifiedMay 3, 2022
✔ NPI 1144608555 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A146121
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedPediatrics · Pediatric Critical Care MedicineTaxonomy 2080P0203X · License A146121 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
8700 BEVERLY BLVD STE 4221, West Hollywood, CA 90048
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Secondary Practice Locations 2

Location 118321 Clark StTarzana, CA 91356-3501 · Phone (818) 881-0800
Location 2505 S Main St, Suite 525Orange, CA 92868-4509 · Phone (714) 456-5631 · Fax (714) 285-0389

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Marc David Dadios M.d. 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.

Medicare Billing Reassignment

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

Uc Regents Uci Dept Of Pediatrics
34 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

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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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.

DR. MANOJ A BINIWALE M.D.
Pediatrics (Neonatal-Perinatal Medicine)
8700 BEVERLY BLVD STE 4221
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-4451
YOUNGEUN M PARK MD, MPH
Pediatrics (Neonatal-Perinatal Medicine)
8700 BEVERLY BLVD STE 4221
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-4451
DIPTI PADHYA
Pediatrics (Pediatric Critical Care Medicine)
8700 BEVERLY BLVD STE 4221
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-6310
ALEXANDRA R OLIVER MD
Pediatrics
8700 BEVERLY BLVD STE 4221
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-4780
SONAM TANNA SIDHU
Pediatrics (Pediatric Critical Care Medicine)
8700 BEVERLY BLVD STE 4221
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-6310
KINSA THI OO MD
Pediatrics
8700 BEVERLY BLVD STE 4221
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-4451
DR. OPHIR DAVID KLEIN M.D.,PH.D
Medical Genetics (Clinical Genetics (M.D.))
8700 BEVERLY BLVD STE 4221
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-4463
MICHELLE ALLEN-SHARPLEY M.D., PH.D.
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
8700 BEVERLY BLVD STE 4221
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-4441

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 Marc Dadios's NPI number?

The NPI number for Marc Dadios is 1144608555. It was assigned to this individual provider in the NPPES registry on May 18, 2015.

Where is Marc Dadios located?

Marc Dadios practices at 8700 Beverly Blvd Ste 4221, West Hollywood, CA 90048. The listed phone number is (310) 423-5000.

What is Marc Dadios's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Marc Dadios enrolled in Medicare?

Yes. Marc Dadios is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marc Dadios's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marc Dadios reassigns Medicare benefits to Uc Regents Uci Dept Of Pediatrics (Orange, 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 Marc Dadios'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 Marc Dadios was last updated on May 3, 2022. 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.