Individual Healthcare Provider
Chi George Zhao, M.D.
Provider's NPPES record last updated: October 29, 2020
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1083820443
- Primary Specialty
- Psychiatry & Neurology — Sleep Medicine
- Practice Location
- Leesburg, Virginia
- Sole Proprietor
- No
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, 2:42 PM 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
Psychiatry & Neurology
Sleep Medicine
Allopathic & Osteopathic Physicians
A Psychiatrist or Neurologist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Taxonomy code 2084S0012X Psychiatry & Neurology
Neurology
Allopathic & Osteopathic Physicians
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Taxonomy code 2084N0400X
Provider-Reported License Information
- Psychiatry & Neurology (Virginia)
- 0101249659
- Psychiatry & Neurology (Virginia)
- 0101249659
Practice Locations
Practice Location
44035 Riverside Pkwy Ste 400
Leesburg, Virginia 20176-8260
Phone: (703) 858-5421
Additional Practice Location
2901 Telestar Ct Ste 440
Falls Church, Virginia 22042-1261
Phone: (703) 621-4503
Fax: (703) 766-5921
Additional Practice Location
2901 Telestar Ct # 100
Falls Church, Virginia 22042-1260
Phone: (703) 621-4503
Fax: (703) 766-5921
Additional Practice Location
2901 Telestar Ct Ste 150
Falls Church, Virginia 22042-1260
Phone: (703) 208-9790
Fax: (703) 591-0829
Additional Practice Location
130 Park St Se Ste 100
Vienna, Virginia 22180-4626
Phone: (703) 281-1265
Fax: (703) 255-0571
Additional Practice Location
130 Park St Se Ste 100
Vienna, Virginia 22180-4626
Phone: (703) 281-1265
Fax: (703) 255-0571
Additional Practice Location
1850 Town Center Pkwy Ste 550
Reston, Virginia 20190-3300
Phone: (703) 437-5977
Fax: (703) 478-2475
Additional Practice Location
4660 Kenmore Ave Ste 1200
Alexandria, Virginia 22304-1311
Phone: (703) 751-8111
Fax: (703) 751-1105
Additional Practice Location
44035 Riverside Pkwy Ste 400
Leesburg, Virginia 20176-8260
Phone: (703) 858-5421
Fax: (703) 858-9573
Additional Practice Location
205 Hirst Rd Ste 101
Purcellville, Virginia 20132-6199
Phone: (703) 723-8664
Fax: (703) 858-9573
Additional Practice Location
3580 Joseph Siewick Dr Ste 305
Fairfax, Virginia 22033-1764
Phone: (703) 648-3266
Fax: (703) 648-3264
Additional Practice Location
1005 N Glebe Rd Ste 750
Arlington, Virginia 22201-5766
Phone: (703) 524-7202
Fax: (703) 516-4501
Additional Practice Location
24440 Stone Springs Blvd
Dulles, Virginia 20166-2247
Phone: (571) 349-4000
Additional Practice Location
24430 Stone Springs Blvd Unit 425
Dulles, Virginia 20166-2271
Phone: (703) 722-5860
Fax: (703) 591-1445
Additional Practice Location
2901 Telestar Ct Ste 200
Falls Church, Virginia 22042-1262
Phone: (703) 573-3494
Fax: (703) 573-5353
Record Information
- Enumeration Date
- May 15, 2007
- Provider's NPPES Record Last Updated
- October 29, 2020
- Certification Date
- October 29, 2020
- NPISignal NPPES Dataset
- August 2026
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