Dr Robert B Chao, MD - Medicare Rheumatology in Tysons, VA

Dr Robert B Chao, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Tysons, Virginia. He graduated from medical school in 2014 and has 10 years of diverse experience with area of expertise as Rheumatology. He is a member of the group practice Inova Health Care Services and his current practice location is 8100 Boone Blvd Ste 700, Tysons, Virginia. You can reach out to his office (for appointments etc.) via phone at (571) 423-5699.

Dr Robert B Chao is licensed to practice in Virginia (license number 0101269638) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1033536735.

Contact Information

Dr Robert B Chao, MD
8100 Boone Blvd Ste 700,
Tysons, VA 22182-2683
(571) 423-5699
(571) 423-5698

Map and Direction




Physician's Profile

Full NameDr Robert B Chao
GenderMale
SpecialityRheumatology
Experience10 Years
Location8100 Boone Blvd Ste 700, Tysons, Virginia
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Robert B Chao graduated from medical school in 2014
  NPI Data:
  • NPI Number: 1033536735
  • Provider Enumeration Date: 03/20/2014
  • Last Update Date: 05/10/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1254759269
  • Enrollment ID: I20210216000945

Medical Identifiers

Medical identifiers for Dr Robert B Chao such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033536735NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 0101269638 (Virginia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Inova Fairfax HospitalFalls church, VAHospital
Inova Alexandria HospitalAlexandria, VAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Inova Health Care Services24663510931725

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Robert B Chao allows following entities to bill medicare on his behalf.
Entity NameInova Health Care Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952320061
PECOS PAC ID: 2466351093
Enrollment ID: O20080806000696

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Robert B Chao is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Robert B Chao, MD
Po Box 37174,
Baltimore, MD 21297-3174

Ph: (571) 423-5699
Dr Robert B Chao, MD
8100 Boone Blvd Ste 700,
Tysons, VA 22182-2683

Ph: (571) 423-5699

Reviews and Comments


Internal Medicine Doctors in Tysons, VA

Mario Anthony Casolaro, MD
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 1750 Tysons Blvd Ste 1160, Tysons, VA 22102
Phone: 571-341-9450    Fax: 703-521-5991
Dr. Merica Shrestha, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 8100 Boone Blvd Ste 700, Tysons, VA 22182
Phone: 703-531-2269    Fax: 703-531-2279
Pallavi J Heda, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 1980 Gallows Rd, Tysons, VA 22182
Phone: 703-942-5331    
Dr. Michael Patrick Keith, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 8100 Boone Blvd Ste 700, Tysons, VA 22182
Phone: 571-423-5699    Fax: 571-423-5698
Yingxue Zhang, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 8100 Boone Blvd Ste 700, Tysons, VA 22182
Phone: 703-259-9050    Fax: 703-259-9040
Ashima Malik, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 8100 Boone Blvd Ste 700, Tysons, VA 22182
Phone: 571-423-5699    Fax: 571-423-5698

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.