Doctor profile · Federal record
Dr. Maria Chou, MD
Rheumatology Physician (CMS: Rheumatology) · Reston, VA
- NPI 1689738452
- Accepts Medicare
- MIPS 89.0 / 100 · 2023
- 27 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1860 Town Center Dr, #130
Reston, VA 201905896
(703) 709-9174
fax (703) 709-9183 - Mailing address
-
7300 Hanover Dr, Ste 201
Greenbelt, MD 207702247
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- March 23, 2017
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Virginia #0101233943
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689738452. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,571
Distinct HCPCS
10
Medicare allowed
$325,229
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 2,640 | 32 | $23 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 480 | 322 | $145 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 341 | 179 | $198 | |
J1030 |
Injection, methylprednisolone acetate, 40 mg | 225 | 127 | $8 | |
20611 |
Aspiration and/or injection of fluid large joint using ultrasound guidance | 153 | 106 | $145 | |
76881 |
Complete ultrasound scan of joint | 146 | 103 | $61 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 118 | 118 | $187 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 95 | 82 | $102 | |
96372 |
Injection of drug or substance under skin or into muscle | 79 | 61 | $16 | |
G0008 |
Administration of influenza virus vaccine | 53 | 52 | $35 |
In context: peer comparison
Among 1 peers in Reston Rheumatology Physician, average services per provider: 228. This provider delivers 20× the peer median.Open Payments
Industry payments received
All-time total
$990
Transactions
49
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 7 | $161.55 | |
| Abbvie INC. | 8 | $149.56 | |
| Pfizer INC. | 6 | $117.35 | |
| Alexion Pharmaceuticals, INC. | 4 | $74.17 | |
| GlaxoSmithKline, LLC. | 3 | $63.83 | |
| Janssen Biotech, INC. | 3 | $60.37 | |
| Pacira Pharmaceuticals Incorporated | 3 | $56.40 | |
| Ucb, INC. | 3 | $51.67 | |
| Aurinia Pharma U.S., INC. | 2 | $46.68 | |
| Radius Health, INC. | 2 | $42.85 | |
| Amgen INC. | 2 | $35.91 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $35.47 | |
| Fresenius Kabi USA, LLC | 2 | $33.12 | |
| DePuy Synthes Sales INC. | 1 | $22.15 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $20.88 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,039
Patients
304
Total drug cost
$31,882
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methotrexate (Methotrexate Sodium) | Brand | 186 | 53 | $9,405 |
| Hydroxychloroquine Sulfate | Generic | 158 | 43 | $7,319 |
| Prednisone | Generic | 100 | 32 | $693 |
| Allopurinol | Generic | 98 | 32 | $1,440 |
| Meloxicam | Generic | 83 | 32 | $465 |
| Gabapentin | Generic | 68 | 25 | $1,606 |
| Diclofenac Sodium | Generic | 56 | 27 | $3,457 |
| Alendronate Sodium | Generic | 54 | 18 | $610 |
| Duloxetine Hcl | Generic | 41 | 15 | $847 |
| Colchicine | Generic | 40 | 16 | $2,394 |
Frequently asked questions
What is Dr. Maria Chou's medical specialty?
Dr. Maria Chou practices Rheumatology Physician in Reston, VA.
Where does Dr. Maria Chou practice?
Dr. Maria Chou practices at 1860 Town Center Dr, Reston, VA 201905896. Office phone: 7037099174.
What is Dr. Maria Chou's NPI?
Dr. Maria Chou's National Provider Identifier (NPI) is 1689738452, issued by NPPES.
Does Dr. Maria Chou accept Medicare assignment?
Yes. Dr. Maria Chou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Chou commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.