DR. CATHERINE S CHAO M.D.
NPI 1184697443
Pediatrics - Pediatric Gastroenterology in Fairfax, VA

Q: What is Catherine Chao's NPI number?

The NPI number for Catherine Chao is 1184697443. It was assigned to this individual provider in the NPPES registry on February 8, 2006.

Q: What is Catherine Chao's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Q: When was this NPI record last updated?

The NPPES record for Catherine Chao was last updated on March 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 February 08, 2006PECOS Enrolled

3700 JOSEPH SIEWICK DR, SUITE 308, FAIRFAX, VA 22033(703) 716-8700(703) 716-8703 Get Directions Write a Review

NPPES record last updated: March 15, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Catherine S Chao M.d. NPPES

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

DR. CATHERINE S CHAO M.D. (NPI 1184697443) is an individual pediatric gastroenterology provider in Fairfax, Virginia, licensed in Virginia (0101056644) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184697443

Entity TypeIndividualFemale

Primary Taxonomy2080P0206X

Provider Legal NameDR. CATHERINE S CHAOCredential: M.D.

Location Address3700 JOSEPH SIEWICK DR, SUITE 308Fairfax, VA 22033-1744

Mailing Address3700 Joseph Siewick Dr, Suite 308Fairfax, VA 22033-1744 · (703) 716-8700 · Fax (703) 716-8703

Phone(703) 716-8700

Fax(703) 716-8703

Sole ProprietorNo

Enumeration DateFebruary 8, 2006

Last NPPES UpdateMarch 15, 2016

✔ NPI 1184697443 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0206X

License✔ Licensed in VA · 0101056644

Definition

A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.

3700 JOSEPH SIEWICK DR, Fairfax, VA 22033

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Other Identifiers 3

Medicare ID-Type Unspecified000761G74

Medicaid6724329VA

Medicare UPINF86041

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Catherine S Chao M.d. 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.

Areas of Expertise CMS Part B claims 2

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.

Study of esophagus to assess movement 91010

This procedure, known as esophageal manometry, involves studying the esophagus or food pipe to evaluate its movement and pressure. It helps understand how well the esophagus can move food to the stomach. Involving a thin, flexible tube, it's a safe, minimally invasive test.

13 services13 patients

Monitoring and recording of esophageal function through nasal tube with electrode 91037

This procedure involves placing a thin tube with an electrode through your nose and into your esophagus. It helps to monitor and record the function of your esophagus, aiding in diagnosing any potential issues.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22033 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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 20

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

DR. DAVID PAUL SIBLEY D.D.S.

Dentist (General Practice)

3700 JOSEPH SIEWICK DR, SUITE #307
FAIRFAX, VA 22033

Fairfax County (703) 715-9227

MS. KRISTIN DERMODY MAGGI PA-C

Physician Assistant (Medical)

3700 JOSEPH SIEWICK DR, SUITE 308
FAIRFAX, VA 22033

Fairfax County (703) 698-8960

WASEEM ISMAIL AZIZ MD

Internal Medicine (Gastroenterology)

3700 JOSEPH SIEWICK DR, SUITE 401
FAIRFAX, VA 22033

Fairfax County (703) 281-1023

JYOTHI GADDE MD PA

Specialist

3700 JOSEPH SIEWICK DR, STE 304
FAIRFAX, VA 22033

Fairfax County (703) 648-0015

GASTROINTESTINAL MEDICINE ASSOCIATES, PC

Clinic/Center (Medical Specialty)

3700 JOSEPH SIEWICK DR, SUITE 401
FAIRFAX, VA 22033

Fairfax County (703) 281-1023

DR. PETER L SCUDERA M.D.

Internal Medicine (Gastroenterology)

3700 JOSEPH SIEWICK DR, SUITE 308
FAIRFAX, VA 22033

Fairfax County (703) 698-8960

NOVA WOUND CARE, P.C.

Family Medicine

3700 JOSEPH SIEWICK DR, 303
FAIRFAX, VA 22033

Fairfax County (703) 664-8025

HERCHARAN KAUR SETHI M.D. P.C.

Obstetrics & Gynecology

3700 JOSEPH SIEWICK DR
FAIRFAX, VA 22033

Fairfax County (703) 476-5200

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 Catherine Chao's NPI number?

The NPI number for Catherine Chao is 1184697443. It was assigned to this individual provider in the NPPES registry on February 8, 2006.

Where is Catherine Chao located?

Catherine Chao practices at 3700 Joseph Siewick Dr Suite 308, Fairfax, VA 22033. The listed phone number is (703) 716-8700.

What is Catherine Chao's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Catherine Chao enrolled in Medicare?

Yes. Catherine Chao is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Catherine Chao was last updated on March 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.