ZHENG ZHU TOPP M.D.
NPI 1023212784
Internal Medicine - Medical Oncology in Portland, OR

Active since June 14, 2007PECOS EnrolledAccepts Medicare Assignment
87.76/100
CMS Quality Rating
9135 SW BARNES RD STE 261, PORTLAND, OR 97225(503) 216-6300 Get Directions Write a Review

NPPES record last updated: October 13, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 13, 2021, Sep 23, 2021, Apr 1, 2020 and 2 more (5 updates tracked since 2017).

About Zheng Zhu Topp M.d. NPPES

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

ZHENG ZHU TOPP M.D. (NPI 1023212784) is an individual medical oncology provider in Portland, Oregon, licensed in Oregon (MD203826) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and is a graduate of University Of Mississippi School Of Medicine (2007).

NPPES Registry Identity

NPI1023212784
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameZHENG ZHU TOPPCredential: M.D.
Location Address9135 SW BARNES RD STE 261Portland, OR 97225-6784
Mailing AddressPo Box 3158Portland, OR 97208-3158 · (503) 215-6494
Sole ProprietorNo
Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 2007
Enumeration DateJune 14, 2007
Last NPPES UpdateOctober 13, 20215 updates tracked since enumeration
NPPES CertifiedOctober 13, 2021
NPI 1023212784 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in OR · MD203826
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License ME121637 (FL)
9135 SW BARNES RD STE 261, Portland, OR 97225

Other Identifiers 1

Medicaid014743100FL

Accepted Insurance

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

Zheng Zhu Topp 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 ID9638357122
PECOS Enrollment IDI20210729002483
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 4

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
165 services132 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
162 services58 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
31 services31 patients
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.
15 services15 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence St Vincent Medical Center

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380004
Location9205 SW Barnes RoadPortland, OR 97225 · Washington County
Emergency services Birthing friendly

Providence Newberg Medical Center

Acute Care Hospitals · Newberg, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number380037
Location1001 Providence DriveNewberg, OR 97132 · Yamhill County
Emergency services Birthing friendly

Providence Portland Medical Center

Acute Care Hospitals · Portland, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380061
Location4805 NE Glisan StreetPortland, OR 97213 · Multnomah County
Emergency services Birthing friendly

Adventist Health Tillamook

Critical Access Hospitals · Tillamook, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number381317
Location1000 Third StreetTillamook, OR 97141 · Tillamook County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97225 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
$176.88 typical visit price
range $58.99 – $176.88
Typical copayment $44.22 (range $14.74 – $44.22)
Most-billed visit code 99205
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.76/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.17
Promoting Interoperability100
Improvement Activities40
Cost74.03

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
5 suppliers21 claims1,232 services$0.69 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
5 suppliers19 claims19 services$18.96 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Internal Medicine
9135 SW BARNES RD STE 261
PORTLAND, OR 97225
Internal Medicine (Medical Oncology)
9135 SW BARNES RD STE 261
PORTLAND, OR 97225
Nurse Practitioner (Family)
9135 SW BARNES RD STE 261
PORTLAND, OR 97225
Internal Medicine (Medical Oncology)
9135 SW BARNES RD STE 261
PORTLAND, OR 97225
Nurse Practitioner (Family)
9135 SW BARNES RD STE 261
PORTLAND, OR 97225
Pharmacist (Oncology)
9135 SW BARNES RD STE 261
PORTLAND, OR 97225
Nurse Practitioner (Family)
9135 SW BARNES RD STE 261
PORTLAND, OR 97225
Nurse Practitioner (Gerontology)
9135 SW BARNES RD STE 261
PORTLAND, OR 97225

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 Zheng Topp's NPI number?

The NPI number for Zheng Topp is 1023212784. It was assigned to this individual provider in the NPPES registry on June 14, 2007.

Where is Zheng Topp located?

Zheng Topp practices at 9135 SW Barnes Rd Ste 261, Portland, OR 97225. The listed phone number is (503) 216-6300.

What is Zheng Topp's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Zheng Topp enrolled in Medicare?

Yes. Zheng Topp 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.

What insurance does Zheng Topp accept?

Health plans from Providence Health Plan list Zheng Topp as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Zheng Topp affiliated with any hospitals?

According to CMS data, Zheng Topp is affiliated with Providence St Vincent Medical Center, Providence Newberg Medical Center, Providence Portland Medical Center and Adventist Health Tillamook.

When was this NPI record last updated?

The NPPES record for Zheng Topp was last updated on October 13, 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.