DR. ZHUANG FENG M.D., PH.D.
NPI 1740591445
Pathology - Anatomic Pathology & Clinical Pathology in Portland, OR

Q: What is Zhuang Feng's NPI number?

The NPI number for Zhuang Feng is 1740591445. It was assigned to this individual provider in the NPPES registry on June 28, 2010.

Q: What is Zhuang Feng's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Zhuang Feng was last updated on April 20, 2022. 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.

Active since June 28, 2010PECOS EnrolledAccepts Medicare Assignment

90.29/100

CMS Quality Rating

1225 NE 2ND AVE, LEGACY CENTRAL LABORATORY, PORTLAND, OR 97232(503) 413-5000 Get Directions Write a Review

NPPES record last updated: April 20, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 20, 2022, Jun 22, 2016 (2 updates tracked since 2016).

On this page

About Dr. Zhuang Feng M.d., Ph.d. NPPES

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

DR. ZHUANG FENG M.D., PH.D. (NPI 1740591445) is an individual anatomic pathology & clinical pathology provider in Portland, Oregon, licensed in Oregon (MD172275) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1740591445

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. ZHUANG FENGCredential: M.D., PH.D.

Location Address1225 NE 2ND AVE, LEGACY CENTRAL LABORATORYPortland, OR 97232-2003

Mailing Address147 N Brent StVentura, CA 93003-2809 · (805) 652-5023

Phone(503) 413-5000

Sole ProprietorNo

Medical School CMSOtherGraduated 2001

Enumeration DateJune 28, 2010

Last NPPES UpdateApril 20, 20222 updates tracked since enumeration

NPPES CertifiedApril 20, 2022

✔ NPI 1740591445 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

Licenses✔ Licensed in OR · MD172275✔ Licensed in OR · PG166408✔ Licensed in MI · 4301096238✔ Licensed in LA · MD.206254

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

1225 NE 2ND AVE, Portland, OR 97232

Open in Google Maps ↗

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

Dr. Zhuang Feng M.d., Ph.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 ID6406075977

PECOS Enrollment IDI20220428000111

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 Zhuang Feng reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dr Brad Barrows Inc

797 mi

Anatomic Pathology & Clinical Pathology

147 N BRENT ST
Ventura, CA 93003

Reassigned Medicare billing, California enrollment
3 clinicians in this Medicare group

NPI 1427870252 (760) 522-2849

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 18

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

534 services331 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

306 services55 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

121 services109 patients

Blood smear interpretation by physician with written report 85060

Blood smear interpretation is a lab test where your doctor examines a sample of your blood under a microscope. They look for abnormalities in your blood cells which can help diagnose various conditions. You'll receive a written report of the findings.

106 services89 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

95 services64 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

88 services63 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

65 services57 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

65 services25 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

53 services33 patients

Microscopic genetic analysis of tissue, computer-assisted technology, initial procedure, each multiplex procedure 88374

This procedure involves analyzing tissue at a genetic level using a microscope and advanced computer technology. The initial process involves the collection and preparation of tissue samples. Each multiplex procedure refers to the simultaneous testing of multiple genetic markers to identify abnormalities.

45 services12 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

40 services27 patients

Flow cytometry technique for dna or cell analysis, 16 or more markers 88189

Flow cytometry is a method used to measure and analyze cells. It uses a beam of light to detect up to 16 or more markers on cells, helping to identify their type, function, or abnormalities. This technique aids in diagnosing various health conditions.

30 services28 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

27 services20 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

27 services25 patients

Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure 88377

Microscopic genetic analysis of tissue is a detailed lab process that examines your cells' genetic material. If more than one stain procedure is needed, it's termed an 'additional multiplex stain procedure'. This helps to highlight different components within your cells, aiding in accurate diagnosis and treatment planning.

23 services15 patients

Bone marrow, smear interpretation 85097

Bone marrow smear interpretation is a procedure where a small sample of your bone marrow is taken and examined under a microscope. This helps doctors identify any abnormal cells or signs of diseases such as anemia, leukemia, or infections. It's a crucial step in diagnosing various blood disorders.

17 services17 patients

Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method G0416

This procedure involves taking a small tissue sample from your gland located beneath your bladder. The sample is then examined under a microscope by a pathologist to check for any abnormalities or diseases. This is a standard method to ensure your well-being.

14 services14 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97232 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

$134.16 typical visit price

range $58.99 – $176.88

Typical copayment $33.54 (range $14.74 – $44.22)

Most-billed visit code 99204

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.

90.29/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

80.59

Improvement Activities

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.

LEGACY EMANUEL HOSPITAL & HEALTH CENTER

General Acute Care Hospital

1225 NE 2ND AVE
PORTLAND, OR 97232

Multnomah County (503) 944-8000

CHRISTY WARNEKE RN

Registered Nurse (Psychiatric/Mental Health, Adult)

1225 NE 2ND AVE
PORTLAND, OR 97232

Multnomah County (503) 944-8000

LEGACY EMANUEL HOSPITAL & HEALTH CENTER

Psychiatric Unit

1225 NE 2ND AVE
PORTLAND, OR 97232

Multnomah County (503) 944-8000

MS. KRISTINE MARIE SIMPSON N.P.

Nurse Practitioner (Family)

1225 NE 2ND AVE
PORTLAND, OR 97232

Multnomah County (503) 944-8000

JENNY JIEN-I TSAI MD

Psychiatry & Neurology (Child & Adolescent Psychiatry)

1225 NE 2ND AVE
PORTLAND, OR 97232

Multnomah County (503) 944-8000

MR. RODNEY STUART OLIN RN

Nurse Practitioner (Psychiatric/Mental Health)

1225 NE 2ND AVE, UNITY CENTER
PORTLAND, OR 97232

Multnomah County (503) 944-8010

JAMES CLARK TROTT PMHNP-BC

Nurse Practitioner (Psychiatric/Mental Health)

1225 NE 2ND AVE
PORTLAND, OR 97232

Multnomah County (503) 944-8000

JULIA RASMUSSEN RN

Registered Nurse (Psychiatric/Mental Health, Child & Adolescent)

1225 NE 2ND AVE
PORTLAND, OR 97232

Multnomah County (503) 944-7600

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 Zhuang Feng's NPI number?

The NPI number for Zhuang Feng is 1740591445. It was assigned to this individual provider in the NPPES registry on June 28, 2010.

Where is Zhuang Feng located?

Zhuang Feng practices at 1225 NE 2nd Ave Legacy Central Laboratory, Portland, OR 97232. The listed phone number is (503) 413-5000.

What is Zhuang Feng's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Zhuang Feng enrolled in Medicare?

Yes. Zhuang Feng 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 Zhuang Feng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zhuang Feng reassigns Medicare benefits to Dr Brad Barrows Inc (Ventura, 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 Zhuang Feng'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 Zhuang Feng was last updated on April 20, 2022. 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.