Catherine S. Chao, M.D.
Pediatric Gastroenterology Physician · Fairfax, VA
Catherine S. Chao, M.D. is a pediatric gastroenterology physician with a practice address in Fairfax, Virginia, and NPI 1184697443, issued on Feb 8, 2006. Check the license (Virginia 0101056644, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Catherine S. Chao
- Credential
- M.D.
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License number
- 0101056644 VA
Self-reported in NPPES; status is on the state search - Practice location
- 3700 Joseph Siewick Dr, Fairfax, VA 22033
- Phone
- (703) 716-8700
- Enumerated
- Feb 8, 2006
- Record last updated
- Mar 15, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (703) 716-8703
- Medicaid ID
- 6724329 VA
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 49 in Virginia → Look up another NPI →
Also registered at 3700 Joseph Siewick Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Waheedullah Ahmadi, CSA, LSASurgical Assistant1851784714
- Stacey Akers, CPNPPediatric Nurse Practitioner1215311592
- Waseem Aziz, MDGastroenterology Physician1023038270
- Lucrisha Banford, PAMedical Physician Assistant1497888697
- Richard Blosser, M.D.Gastroenterology Physician1720048630
- Michael Garone, M.D.Gastroenterology Physician1255311189
Verify Catherine S. Chao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101056644Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $113.44
3 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 1,184 providers of this specialty with any payment received $2,585.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Catherine S. Chao among 49 pediatric gastroenterology physician records in Virginia
Catherine S. Chao, M.D. is one of 49 pediatric gastroenterology physician records with a practice address in Virginia. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 51% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 24% of these records are
- Record last updated2016 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in Virginia
There are 49 pediatric gastroenterology physician records in Virginia.
All 49 in Virginia → Every provider in Fairfax → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Lynn Duffy, M.D.Fairfax, VA 220311790759124
- Benjamin Enav, M.D.Fairfax, VA 220311083885214
- Grace Felix, M.D.Fairfax, VA 220311477810208
- Stefany Garrity, MDFairfax, VA 220311427283472
- Iris Jo-Shi, D.O.Fairfax, VA 220311528485695
- Salina KhushalFairfax, VA 220311871957035
- Peter Lee, M.D.Fairfax, VA 220311740253020
- Otto Louis-Jacques, M.D.Fairfax, VA 220311124094933
Common questions
What is Catherine S. Chao, M.D.'s NPI number?
Catherine S. Chao, M.D.'s National Provider Identifier (NPI) is 1184697443, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine S. Chao, M.D. located?
The NPPES record lists a practice address at 3700 Joseph Siewick Dr, Fairfax, VA, 22033. Phone: (703) 716-8700. Providers update this record themselves, so call before visiting.
How can I verify Catherine S. Chao, M.D.'s license?
NPPES lists Virginia license number 0101056644, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.