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KAREN P. CHENG M.D.
NPI 1316407422
Radiology - Radiation Oncology in Riverside, CA

Active since March 23, 2019PECOS EnrolledAccepts Medicare Assignment
6939 PALM CT, RIVERSIDE, CA 92506(951) 683-6771(951) 683-7450 Get Directions Write a Review

NPPES record last updated: May 7, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 7, 2024, Mar 23, 2019 (2 updates tracked since 2019).

About Karen P. Cheng M.d. NPPES

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

KAREN P. CHENG M.D. (NPI 1316407422) is an individual radiation oncology provider in Riverside, California, licensed in California (A181685) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Bernardino, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1316407422
Entity TypeIndividualFemale
Primary Taxonomy2085R0001X
Provider Legal NameKAREN P. CHENGCredential: M.D.
Location Address6939 PALM CTRiverside, CA 92506-2815
Mailing AddressPo Box 512185Los Angeles, CA 90051-0185
Phone(951) 683-6771
Fax(951) 683-7450
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 23, 2019
Last NPPES UpdateMay 7, 20242 updates tracked since enumeration
NPPES CertifiedMay 7, 2024
✔ NPI 1316407422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in CA · A181685
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
6939 PALM CT, Riverside, CA 92506
Open in Google Maps ↗

Secondary Practice Location 1

Location 1401 E Highland Ave Ste DSan Bernardino, CA 92404-3800 · Phone (909) 475-2700 · Fax (909) 475-2738

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen P. Cheng M.d. 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 ID3577890847
PECOS Enrollment IDI20240521003611
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 Karen Cheng reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

City Of Hope Medical Foundation
35 mi
Hematology & Oncology
1500 DUARTE RD
Duarte, CA 91010
  • Reassigned Medicare billing, California enrollment
  • 1,335 clinicians in this Medicare group
NPI 1871886366 (626) 256-4673

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 92506 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
$179.42 typical visit price
range $59.60 – $179.42
Typical copayment $44.85 (range $14.90 – $44.85)
Most-billed visit code 99205
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
Most-billed visit code 99213
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 3

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

RIVERSIDE ONCOLOGY PC
Radiology (Radiation Oncology)
6939 PALM CT
RIVERSIDE, CA 92506
Riverside County (858) 603-0172
JANET HOCKO M.D.
Radiology (Radiation Oncology)
6939 PALM CT
RIVERSIDE, CA 92506
Riverside County (951) 683-6771
DR. SUSANNA REBA GORDON M.D.
Radiology (Radiation Oncology)
6939 PALM CT
RIVERSIDE, CA 92506
Riverside County (951) 683-6771

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 Karen Cheng's NPI number?

The NPI number for Karen Cheng is 1316407422. It was assigned to this individual provider in the NPPES registry on March 23, 2019.

Where is Karen Cheng located?

Karen Cheng practices at 6939 Palm Ct, Riverside, CA 92506. The listed phone number is (951) 683-6771.

What is Karen Cheng's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Karen Cheng enrolled in Medicare?

Yes. Karen Cheng 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.

Which organization bills Medicare for Karen Cheng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Cheng reassigns Medicare benefits to City Of Hope Medical Foundation (Duarte, 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 Karen Cheng'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 Karen Cheng was last updated on May 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.