DR. CATHERINE S CHAO (M.D.) – Pediatric Gastroenterology Physician, NPI 1184697443
Pediatric Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. CATHERINE S CHAO (M.D.)
Fair Oaks Medical Plaza, 3700, Joseph Siewick Drive, Chantilly, Fairfax (city), Virginia, 22033, United States
SUITE 308
FAIRFAX, VA 220331744
Phone: (703) 716-8700
Fax: (703) 716-8703
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $178.
Total Amount is formed as General ($178) + Research ($0) + Ownership ($0) = $178.
Last reported payment date: 2024-10-02 • Largest payer in this snapshot: GENZYME CORPORATION ($136).
Total Amount
$178
General + Research + Ownership
Payments
5
Total payment records
General Amount
$178
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $136 |
| Laborie Medical Technologies Corp. | $42 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2015-07-02
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070301000234 | I | Pediatric Medicine | DC | TBD |
| I20150702000366 | I | Gastroenterology | VA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 22033)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | VA | |
| - | NJ | |
| Pediatric Medicine | VA | |
| - | TN | |
| Medical Genetics And Genomics, Pediatric Medicine, Pediatric Medicine | VA | |
| - | DC | |
| Pediatric Medicine | VA | |
| Neurology, Pediatric Medicine | VA | |
| - | MD | |
| Hospitalist, Pediatric Medicine, Gastroenterology | VA |
Reviews
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