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DR. VINCENT WEN CHIEN KAO DO
NPI 1649570268
Internal Medicine - Gastroenterology in Fountain Valley, CA

Active since October 29, 2010PECOS EnrolledAccepts Medicare Assignment
18035 BROOKHURST ST STE 2100, FOUNTAIN VALLEY, CA 92708(657) 241-9090(714) 665-4603 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Vincent Wen Chien Kao Do NPPES

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

DR. VINCENT WEN CHIEN KAO DO (NPI 1649570268) is an individual gastroenterology provider in Fountain Valley, California, licensed in California (20A11408) and active in the NPI registry since October 2010. He is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1649570268
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. VINCENT WEN CHIEN KAOCredential: DO
Location Address18035 BROOKHURST ST STE 2100Fountain Valley, CA 92708-6738
Mailing Address18035 Brookhurst St Ste 2100Fountain Valley, CA 92708-6738 · (657) 241-9090 · Fax (714) 665-4603
Phone(657) 241-9090
Fax(714) 665-4603
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateOctober 29, 2010
Last NPPES UpdateMay 8, 2025
NPPES CertifiedMay 8, 2025
✔ NPI 1649570268 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · 20A11408
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 20A11408 (CA)
18035 BROOKHURST ST STE 2100, Fountain Valley, CA 92708
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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

Dr. Vincent Wen Chien Kao Do 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 ID4082859681
PECOS Enrollment IDI20130403000123
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.
27 services17 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
17 services17 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
14 services14 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92708 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 8

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

DR. ERICK ARGUETA MD
Internal Medicine (Gastroenterology)
18035 BROOKHURST ST STE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090
DUSTIN CHRISTOPHER SHEA PA-C
Physician Assistant
18035 BROOKHURST ST STE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090
MRS. MERILEE MARIE VANCE RN, CNM
Midwife
18035 BROOKHURST ST STE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090
TRISHA CHAUDHURY DO
Obstetrics & Gynecology
18035 BROOKHURST ST STE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090
LIZHOU HUANG M.D.
Internal Medicine (Gastroenterology)
18035 BROOKHURST ST STE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090
LENA B NGUYEN DO
Obstetrics & Gynecology
18035 BROOKHURST ST STE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090
DR. NANCY JEONG-SUN HAN M.D.
Internal Medicine (Gastroenterology)
18035 BROOKHURST ST STE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090
SARAH BARTULIS CNM
Advanced Practice Midwife
18035 BROOKHURST ST STE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090

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 Vincent Kao's NPI number?

The NPI number for Vincent Kao is 1649570268. It was assigned to this individual provider in the NPPES registry on October 29, 2010.

Where is Vincent Kao located?

Vincent Kao practices at 18035 Brookhurst St Ste 2100, Fountain Valley, CA 92708. The listed phone number is (657) 241-9090.

What is Vincent Kao's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Vincent Kao enrolled in Medicare?

Yes. Vincent Kao 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 Vincent Kao was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.