Individual Healthcare Provider
Robert B Chao, M.D.
Provider's NPPES record last updated: May 10, 2023
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1033536735
- Primary Specialty
- Internal Medicine — Rheumatology
- Practice Location
- Tysons, Virginia
- Sole Proprietor
- Yes
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 18, 2026, 3:17 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Internal Medicine
Rheumatology
Allopathic & Osteopathic Physicians
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and "collagen" diseases.
Taxonomy code 207RR0500X
Provider-Reported License Information
- Internal Medicine (Virginia)
- 0101269638
Practice Locations
Practice Location
8100 Boone Blvd Ste 700
Tysons, Virginia 22182-2683
Phone: (571) 423-5699
Additional Practice Location
506 6th St
Brooklyn, New York 11215-3609
Phone: (240) 515-6592
Additional Practice Location
8501 Arlington Blvd Ste 340
Fairfax, Virginia 22031-4625
Phone: (702) 259-9050
Fax: (703) 259-9040
Additional Practice Location
3300 Gallows Rd
Falls Church, Virginia 22042-3300
Phone: (703) 776-4001
Fax: (703) 776-7113
Additional Practice Location
8501 Arlington Blvd Ste 340
Fairfax, Virginia 22031-4625
Phone: (703) 259-9050
Fax: (703) 259-9040
Record Information
- Enumeration Date
- March 20, 2014
- Provider's NPPES Record Last Updated
- May 10, 2023
- Certification Date
- May 10, 2023
- NPISignal NPPES Dataset
- August 2026
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