DR. MARIA CHOU (MD) – Rheumatology Physician, NPI 1689738452
Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
177 RHEUMATOLOGY in VA
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Provider Addresses for DR. MARIA CHOU (MD)
Parkway Medical Tower, 1860, Town Center Drive, Reston, Virginia, 20190, United States
#130
RESTON, VA 201905896
Phone: (703) 709-9174
Fax: (703) 709-9183
Type: Location
Hanover Drive, Greenbelt, Prince George's County, Maryland, 20770, United States
STE 201
GREENBELT, MD 207702247
Phone: (703) 709-9174
Fax: (703) 709-9183
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 97 Open Payments records for all available years, with a total value of $2,006.
Total Amount is formed as General ($2,006) + Research ($0) + Ownership ($0) = $2,006.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($314).
Total Amount
$2,006
General + Research + Ownership
Payments
97
Total payment records
General Amount
$2,006
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $314 |
| ABBVIE INC. | $245 |
| Janssen Biotech, Inc. | $205 |
| Horizon Therapeutics plc | $149 |
| PFIZER INC. | $117 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2023-03-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20041004000117 | I | Rheumatology | DC | TBD |
| I20230330002157 | I | Rheumatology | MD | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J0897 | Injection, denosumab, 1 mg | 2,640 | 32 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 480 | 322 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 341 | 179 | $0 |
| J1030 | Injection, methylprednisolone acetate, 40 mg | 225 | 127 | $0 |
| 20611 | Aspiration and/or injection of fluid large joint using ultrasound guidance | 153 | 106 | $0 |
Insurance plans in this area (ZIP 20190)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| R H E U M A T O L O G Y | MD | |
| Physician Assistant | MD | |
| Physical Therapist In Private Practice | MD | |
| Rheumatology, Internal Medicine | MD | |
| Physical Therapist In Private Practice | MD | |
| Nurse Practitioner | MD | |
| Physical Therapist In Private Practice | MD | |
| Nurse Practitioner | MD | |
| R H E U M A T O L O G Y | DC | |
| R H E U M A T O L O G Y | MD |
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