Robert Chao, M.D.
Rheumatology Physician · Tysons, VA
Robert Chao, M.D. is a rheumatology physician with a practice address in Tysons, Virginia, and NPI 1033536735, issued on Mar 20, 2014. Check the license (Virginia 0101269638, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Robert Chao
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 0101269638 VA
Self-reported in NPPES; status is on the state search - Practice location
- 8100 Boone Blvd Ste 700, Tysons, VA 22182
- Phone
- (571) 423-5699
- Enumerated
- Mar 20, 2014
- Entity
- Type 1 · individual
Also registered at 8100 Boone Blvd Ste 700
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Min Jin Detrick, PA-CPhysician Assistant1285884007
- Michael Keith, M.D.Rheumatology Physician1144280272
- Ashima Malik, MDInternal Medicine Physician1346449717
- Banafsheh Motazedi, M.D.Internal Medicine Physician1457702573
- Merica Shrestha, M.D.Endocrinology, Diabetes & Metabolism Physician1083811855
- Mary Smith, RDNRegistered Dietitian1740791961
Verify Robert Chao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101269638Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
73% fewer Medicare Part D claims than the average rheumatology physician in 2024
565 Medicare Part D claims for 118 beneficiaries, against an average of 2,058 among the 4,833 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Hydroxychloroquine Sulfate113 claims
- Methotrexate84 claims
- Prednisone83 claims
- Humira(Cf) Pen33 claims
- Allopurinol27 claims
- Alendronate Sodium23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's Medicare quality score for 2023: 81.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Inova Health Care ServicesFalls Church, VA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
2 rheumatology physician records list a Tysons practice address
They are 2 of the 59 NPPES records with a Tysons practice address, and 148 rheumatology physician records in Virginia.
All 2 in Tysons → All 148 in Virginia → Every provider in Tysons →
Other rheumatology physician records in Virginia
- Romy Abou Mrad, MDHarrisonburg, VA1851655518
- Claude Abujrab-Saba, M.D.Reston, VA1982754040
- Gold Adkins, MDCharlottesville, VA1952860090
- Navera Ahmed, M. D.Falls Church, VA1376565804
- Avnit Ahuja, MDRichmond, VA1962616474
- Anita Akhtar, MDStafford, VA1982952453
- Jude Al Qaqaa, MDRichmond, VA1982380952
- Justin Amato, DORichmond, VA1902483472
- Caleb Anderson, MDHampton, VA1982042917
- Myo-Pale Aye, M.D.Winchester, VA1366705337
Common questions
What is Robert Chao, M.D.'s NPI number?
Robert Chao, M.D.'s National Provider Identifier (NPI) is 1033536735, issued on Mar 20, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Robert Chao, M.D. located?
The NPPES record lists a practice address at 8100 Boone Blvd Ste 700, Tysons, VA, 22182. Phone: (571) 423-5699. Providers update this record themselves, so call before visiting.
How can I verify Robert Chao, M.D.'s license?
NPPES lists Virginia license number 0101269638, 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.
How much does Robert Chao, M.D. prescribe under Medicare Part D?
In 2024, Robert Chao, M.D. had 565 Medicare Part D claims for 118 beneficiaries; the average among rheumatology physician prescribers was 2,058. Part D covers Medicare prescriptions only.
What is Robert Chao, M.D.'s Medicare quality score?
The 2023 MIPS final score is 81.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.