Maria Chou, MD
Rheumatology Physician · Reston, VA
Maria Chou, MD is a rheumatology physician with a practice address in Reston, Virginia, and NPI 1689738452, issued on Dec 19, 2006. Check the license (Virginia 0101233943, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Maria Chou
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 0101233943 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1860 Town Center Dr, Reston, VA 20190
- Phone
- (703) 709-9174
- Enumerated
- Dec 19, 2006
- Record last updated
- Mar 23, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (703) 709-9183
- Medicare enrollment
- Enrolled (PECOS I20041004000117); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 197 in Virginia → Look up another NPI →
Also registered at 1860 Town Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sara Abdullahi, NPFamily Nurse Practitioner1669137808
- Claude Abujrab-Saba, M.D.Rheumatology Physician1982754040
- Ishtiaq Ahmad, MDNeurology Physician1326008384
- M Ali, MDOtolaryngology/Facial Plastic Surgery Physician1457448995
- Asmita Ambardekar, PTPhysical Therapist1477983385
- Janet Avery, M.D.Internal Medicine Physician1518053750
Verify Maria Chou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101233943Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,811 Medicare Part D claims for 365 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 97 claims were for opioids.
Most prescribed
- Methotrexate245 claims
- Prednisone164 claims
- Hydroxychloroquine Sulfate142 claims
- Allopurinol136 claims
- Meloxicam109 claims
- Alendronate Sodium80 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 MIPS final score for 2023 (Medicare payment program): 89 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).
Industry payments in 2024: $990.08
50 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Arthritis And Pain Associates OF Prince Georges County PCGreenbelt, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Chou among 197 rheumatology physician records in Virginia
Maria Chou, MD is one of 197 rheumatology physician records with a practice address in Virginia. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 57% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1999 · median 2004 among the 128 with a school on file
- Record last updated2017 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Virginia
There are 197 rheumatology physician records in Virginia.
All 197 in Virginia → Every provider in Reston → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Claude Abujrab-Saba, M.D.Reston, VA 201901982754040
- Tae Chung, M.D.Reston, VA 201901922118306
- Alexia Gospodinoff, M.D.Reston, VA 201901578630869
- Phong Nguyen, MDReston, VA 201901699836726
- Moira Scaperotti, MDReston, VA 201901760845564
- Nandini Chhitwal, MDWarrenton, VA 201861013100916
- Jennifer Odutola, MDLansdowne, VA 201761750397725
- Gulrukh Saleem, M.D.Leesburg, VA 201761750376562
Common questions
What is Maria Chou, MD's NPI number?
Maria Chou, MD's National Provider Identifier (NPI) is 1689738452, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria Chou, MD located?
The NPPES record lists a practice address at 1860 Town Center Dr, Reston, VA, 20190. Phone: (703) 709-9174. Providers update this record themselves, so call before visiting.
How can I verify Maria Chou, MD's license?
NPPES lists Virginia license number 0101233943, 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 Maria Chou, MD prescribe under Medicare Part D?
In 2024, Maria Chou, MD had 1,811 Medicare Part D claims for 365 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Maria Chou, MD's MIPS final score?
The 2023 MIPS final score is 89 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), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.