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DR. PHILLIS WU M.D.
NPI 1174716328
Internal Medicine - Hematology & Oncology in Sylmar, CA

Active since August 21, 2007PECOS Enrolled
14445 OLIVE VIEW DR RM 6B119-H, SYLMAR, CA 91342(818) 364-3031 Get Directions Write a Review

NPPES record last updated: December 20, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Phillis Wu M.d. NPPES

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

DR. PHILLIS WU M.D. (NPI 1174716328) is an individual hematology & oncology provider in Sylmar, California, licensed in California (A101866) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1174716328
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameDR. PHILLIS WUCredential: M.D.
Location Address14445 OLIVE VIEW DR RM 6B119-HSylmar, CA 91342-1437
Mailing Address14445 Olive View Dr Rm 6b119-hSylmar, CA 91342-1437 · (818) 364-3031
Phone(818) 364-3031
Sole ProprietorYes
Enumeration DateAugust 21, 2007
Last NPPES UpdateDecember 20, 2019
✔ NPI 1174716328 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A101866
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
14445 OLIVE VIEW DR RM 6B119-H, Sylmar, CA 91342
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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)

Dr. Phillis Wu 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 Phillis Wu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of Los Angeles Auditor Controller
0.2 mi
General Acute Care Hospital
14445 OLIVE VIEW DR
Sylmar, CA 91342
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of Los Angeles
  • 1,939 clinicians in this Medicare group
NPI 1134159320 (818) 364-3031

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 91342 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
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 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MONIQUE RUBIN DPM
Podiatrist
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. NEHA R. SHAH M.D.
Student in an Organized Health Care Education/Training Program
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. BABAK DAFTARI M.D.
Pediatrics
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. ABHISHEK SHARMA M.D.
Student in an Organized Health Care Education/Training Program
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. DEEPTHI KUMARI KARUNASIRI M.D.
Pathology (Anatomic Pathology)
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. ALAN ELWOOD QUILLIAN M.D. M.S.
Pediatrics
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. LEO GABRIEL MAFFEY M.D.
Internal Medicine
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. PAYMAN FATHIZADEH M.D.
Pathology (Anatomic Pathology)
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031

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 Phillis Wu's NPI number?

The NPI number for Phillis Wu is 1174716328. It was assigned to this individual provider in the NPPES registry on August 21, 2007.

Where is Phillis Wu located?

Phillis Wu practices at 14445 Olive View Dr Rm 6b119-H, Sylmar, CA 91342. The listed phone number is (818) 364-3031.

What is Phillis Wu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Phillis Wu enrolled in Medicare?

Yes. Phillis Wu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Phillis Wu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Phillis Wu reassigns Medicare benefits to County Of Los Angeles Auditor Controller (Sylmar, 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 Phillis Wu'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 Phillis Wu was last updated on December 20, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.