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WARNER PENG MD
NPI 1154584704
Internal Medicine - Hematology & Oncology in Oxnard, CA

Active since July 03, 2008PECOS EnrolledAccepts Medicare Assignment
1851 LOMBARD ST STE 105, OXNARD, CA 93030(805) 485-7232 Get Directions Write a Review

NPPES record last updated: December 23, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 23, 2021, Jun 22, 2020, Mar 17, 2018 and 1 more (4 updates tracked since 2018).

About Warner Peng Md NPPES

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

WARNER PENG MD (NPI 1154584704) is an individual hematology & oncology provider in Oxnard, California, licensed in California (C167982) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2008).

NPPES Registry Identity

NPI1154584704
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameWARNER PENGCredential: MD
Location Address1851 LOMBARD ST STE 105Oxnard, CA 93030-8231
Mailing Address1851 Lombard St Ste 105Oxnard, CA 93030-8231 · (805) 485-7232
Phone(805) 485-7232
Sole ProprietorYes
Medical School CMSUniversity Of Kansas School Of Med (kc/wich/sal)Graduated 2008
Enumeration DateJuly 3, 2008
Last NPPES UpdateDecember 23, 20214 updates tracked since enumeration
NPPES CertifiedDecember 23, 2021
✔ NPI 1154584704 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · C167982
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.
1851 LOMBARD ST STE 105, Oxnard, CA 93030
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Warner Peng Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9234381849
PECOS Enrollment IDI20200331003452
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
35 services22 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
17 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93030 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
$185.36 typical visit price
range $62.32 – $185.36
Typical copayment $46.34 (range $15.58 – $46.34)
Most-billed visit code 99205
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
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

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

DR. BARBARA BELLFIELD NP
Nurse Practitioner (Family)
1851 LOMBARD ST STE 105
OXNARD, CA 93030
Ventura County (805) 485-7232

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 Warner Peng's NPI number?

The NPI number for Warner Peng is 1154584704. It was assigned to this individual provider in the NPPES registry on July 3, 2008.

Where is Warner Peng located?

Warner Peng practices at 1851 Lombard St Ste 105, Oxnard, CA 93030. The listed phone number is (805) 485-7232.

What is Warner Peng's specialty?

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

Is Warner Peng enrolled in Medicare?

Yes. Warner Peng is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Warner Peng was last updated on December 23, 2021. 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.