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DR. WEI-TZUOH CHEN MD
NPI 1184732398
Internal Medicine in Visalia, CA

Active since August 28, 2006PECOS Enrolled
431 S BRIDGE STREET, VISALIA, CA 93277(559) 732-4662(559) 636-2733 Get Directions Write a Review

NPPES record last updated: June 24, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Wei-tzuoh Chen Md NPPES

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

DR. WEI-TZUOH CHEN MD (NPI 1184732398) is an individual internal medicine provider in Visalia, California, licensed in California (A34640) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184732398
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WEI-TZUOH CHENCredential: MD
Location Address431 S BRIDGE STREETVisalia, CA 93277
Mailing Address431 S Bridge StreetVisalia, CA 93277 · (559) 732-4662 · Fax (559) 636-2733
Phone(559) 732-4662
Fax(559) 636-2733
Sole ProprietorNo
Enumeration DateAugust 28, 2006
Last NPPES UpdateJune 24, 2011
✔ NPI 1184732398 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A34640
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · NephrologyTaxonomy 207RN0300X · License A34640 (CA)
431 S BRIDGE STREET, Visalia, CA 93277
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINA27538
Medicaid00A346400CA
Medicare ID-Type Unspecified00A346400CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Wei-tzuoh Chen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Wei-tzuoh Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Nephrology Group, Inc.
45 mi
Nephrology
568 E HERNDON AVE, SUITE 201
Fresno, CA 93720
  • Reassigned Medicare billing, California enrollment
  • 58 clinicians in this Medicare group
NPI 1205906229 (559) 228-6600

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 10

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.

Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
111 services33 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
44 services26 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
11 services11 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
11 services11 patients
Vitamin d-3 level 82306
A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.
11 services11 patients
Magnesium level 83735
A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93277 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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.

Referred Medical Equipment & Supplies CMS DME claims 6

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

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
5 suppliers38 claims6,450 services$0.31 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers25 claims3,750 services$0.01 avg. paid by Medicare
Cyclosporine, oral, 25 mg J7515
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier12 claims1,440 services$0.54 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers39 claims8,415 services$0.20 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
6 suppliers44 claims44 services$17.66 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
5 suppliers48 claims70 services$12.54 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

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

WEI TZUOH CHEN MD FACP A PROFESSIONAL CORP
Internal Medicine
431 S BRIDGE STREET
VISALIA, CA 93277
Tulare County (559) 732-4662

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 Wei-tzuoh Chen's NPI number?

The NPI number for Wei-tzuoh Chen is 1184732398. It was assigned to this individual provider in the NPPES registry on August 28, 2006.

Where is Wei-tzuoh Chen located?

Wei-tzuoh Chen practices at 431 S Bridge Street, Visalia, CA 93277. The listed phone number is (559) 732-4662.

What is Wei-tzuoh Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Wei-tzuoh Chen enrolled in Medicare?

Yes. Wei-tzuoh Chen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Wei-tzuoh Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wei-tzuoh Chen reassigns Medicare benefits to The Nephrology Group, Inc. (Fresno, 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 Wei-tzuoh Chen'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 Wei-tzuoh Chen was last updated on June 24, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.