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HAITHAM SIAG MBBCH
NPI 1023515830
Student in an Organized Health Care Education/Training Program in Loma Linda, CA

Active since April 09, 2018PECOS Enrolled
11234 ANDERSON ST, LOMA LINDA, CA 92350(914) 267-6104 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 28, 2026, Dec 29, 2021, Sep 13, 2019 and 2 more (5 updates tracked since 2018).

About Haitham Siag Mbbch NPPES

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

HAITHAM SIAG MBBCH (NPI 1023515830) is an individual student in an organized health care education/training program in Loma Linda, California, licensed in California (C208974) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023515830
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameHAITHAM SIAGCredential: MBBCH
Location Address11234 ANDERSON STLoma Linda, CA 92350-1716
Mailing Address11234 Anderson StLoma Linda, CA 92350-1716 · (914) 267-6104
Phone(914) 267-6104
Sole ProprietorNo
Enumeration DateApril 9, 2018
Last NPPES UpdateJuly 2, 20265 updates tracked since enumeration
NPPES CertifiedJuly 2, 2026
✔ NPI 1023515830 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
License✔ Licensed in CA · C208974
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
11234 ANDERSON ST, Loma Linda, CA 92350
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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)

Haitham Siag Mbbch 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 Reassignments

2

Medicare enrollment records show Haitham Siag reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Skyline Wound Care PLLC
2,300 mi
Plastic and Reconstructive Surgery
501 DUTCHMANS LN
Easton, MD 21601
  • Reassigned Medicare billing, West Virginia enrollment
  • 10 clinicians in this Medicare group
NPI 1407343601 (877) 940-7200
Brookview Medical Associates, PLLC
2,447 mi
General Practice
80 ORVILLE DR STE 100
Bohemia, NY 11716
  • Reassigned Medicare billing, New York enrollment
  • 754 clinicians in this Medicare group
NPI 1871965855 (972) 715-3800

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.

DR. THUCAN TIMOTHY BUI DO
Emergency Medicine
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4344
VAHE YACOUBIAN MD, MPH
Orthopaedic Surgery
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (818) 813-4234
AISHA Q EALEY APRN, ACCCNS-N
Clinical Nurse Specialist (Neonatal)
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4248
MR. RANDAL KEITH GILMAN PA
Physician Assistant
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4475
AMR AZZAM MD, PHD
Ophthalmology (Retina Specialist)
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-2182
DARSH THAKRAR M.D.
Radiology (Diagnostic Radiology)
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4000
PRESTON ANDREW SHIRSAT
Student in an Organized Health Care Education/Training Program
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4074
JILLIAN ORDEN MD
Student in an Organized Health Care Education/Training Program
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4619

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 Haitham Siag's NPI number?

The NPI number for Haitham Siag is 1023515830. It was assigned to this individual provider in the NPPES registry on April 9, 2018.

Where is Haitham Siag located?

Haitham Siag practices at 11234 Anderson St, Loma Linda, CA 92350. The listed phone number is (914) 267-6104.

What is Haitham Siag's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Haitham Siag enrolled in Medicare?

Yes. Haitham Siag is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Haitham Siag's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Haitham Siag reassigns Medicare benefits to 2 organizations: Skyline Wound Care PLLC (Easton, MD) and Brookview Medical Associates, PLLC (Bohemia, NY). 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 Haitham Siag'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 Haitham Siag was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.