DR. CHAU NGOC THI TRAN (D.O.) – Hematology & Oncology Physician, NPI 1083813422

DR. CHAU NGOC THI TRAN (D.O.) is a healthcare provider. based in West covina, California. specializing in HEMATOLOGY/ONCOLOGY, INTERNAL MEDICINE. They hold the professional credentials D.O.. They hold a License No. 20A8105 (CA). The NPI Number for DR. CHAU NGOC THI TRAN (D.O.) is 1083813422

Main info

Female
26 Years Of Experience
Accepts Medicare Assignment
Name
DR. CHAU NGOC THI TRAN (D.O.)
NPI
1083813422
Phone
(626) 856-5858
Address
1250 S Sunset Ave Ste 303
Enumeration Date
16 July 2007
Last Update Date
22 September 2023

Doctor Profile

Medical School Name
OHIO UNIVERSITY, COLLEGE OF OSTEOPATHIC MEDICINE
Secondary Phone
7146331011
Graduation Year
2000 (26 years ago)
PAC ID
9830251420
Group Practice PAC ID
8921993205
Professional Enrollment ID
I20081216000171

Contacts

Secure Messaging
direct@cityofhope.direct-ci.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience60
Completeness85
Years active:18State licenses:1Other namesUpdated within 12 months

1,536 HEMATOLOGY/ONCOLOGY in CA

Provider Addresses for DR. CHAU NGOC THI TRAN (D.O.)

  • 1250 S Sunset Ave Ste 303

    West Covina, CA 917903912

    Phone: (626) 856-5858

    Fax: (626) 856-5853

    Type: Location

  • 1010 W. LAVETA AVENUE

    SUITE 200

    ORANGE, CA 928684304

    Phone: (714) 835-1800

    Fax: (714) 835-1811

    Type: Mailing

  • PO BOX 512185

    LOS ANGELES, CA 900510185

    Phone:

    Type: Mailing

  • 1100 SAN BERNARDINO RD STE 1100

    UPLAND, CA 917864952

    Phone: (909) 949-2242

    Fax: (909) 981-5783

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 125 Open Payments records for all available years, with a total value of $2,555.

Total Amount is formed as General ($2,555) + Research ($0) + Ownership ($0) = $2,555.

Last reported payment date: 2024-09-30 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($303).

Total Amount

$2,555

General + Research + Ownership

Payments

125

Total payment records

General Amount

$2,555

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-09-30

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2008-12-16

PECOS data refreshed: 2026-06-15

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20081216000171IHematology/OncologyCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes266161$0
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count9330$0
36415Insertion of needle into vein for collection of blood sample8232$0
99215Established patient office or other outpatient visit, 40-54 minutes5954$0
96375Injection of additional new drug or substance into vein5311$0
View full utilization report →

Insurance plans in this area (ZIP 91790)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8921993205View full group profile

Reviews

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Frequently asked questions

Where can patients find DR. CHAU NGOC THI TRAN (D.O.)'s NPI?
You can confirm DR. CHAU NGOC THI TRAN (D.O.) with NPI 1083813422; it appears in the national provider directory.
Is DR. CHAU NGOC THI TRAN (D.O.)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What does DR. CHAU NGOC THI TRAN (D.O.) treat or focus on?
Patients typically see DR. CHAU NGOC THI TRAN (D.O.) under the specialty Hematology & Oncology Physician. Clinical services aligned with this taxonomy classification.
What location metadata exists for DR. CHAU NGOC THI TRAN (D.O.)?
The page summarizes West Covina, California for DR. CHAU NGOC THI TRAN (D.O.); expand the address list for detail.
What if West Covina, California seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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