Doctor profile · Federal record
Dr. Maria Tsao, M.D.
Psychiatry Physician (CMS: Psychiatry) · Fairfax, VA
- NPI 1336257278
- Accepts Medicare
- 32 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8221 Willow Oaks Corporate Dr
Fairfax, VA 220314512
(703) 207-7819
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- March 16, 2015
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Virginia #0101057741
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336257278. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
252
Distinct HCPCS
2
Medicare allowed
$27,257
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 237 | 47 | $105 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 15 | 13 | $157 |
In context: peer comparison
Among 12 peers in this city , average services per provider: 122. This provider delivers 2.1× the peer median.Open Payments
Industry payments received
All-time total
$2,568
Transactions
55
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 15 | $519.71 | |
| Vanda Pharmaceuticals Inc. | 7 | $378.95 | |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | 5 | $365.39 | |
| E.R. Squibb & Sons, L.L.C. | 6 | $312.62 | |
| Teva Pharmaceuticals USA, Inc. | 3 | $261.51 | |
| Alkermes, Inc. | 6 | $255.73 | |
| Janssen Pharmaceuticals, Inc | 4 | $141.68 | |
| Gilead Sciences, Inc. | 1 | $116.10 | |
| Axsome Therapeutics, Inc. | 2 | $112.10 | |
| Otsuka America Pharmaceutical, Inc. | 5 | $87.14 | |
| Neurocrine Biosciences, Inc. | 1 | $17.16 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
941
Patients
66
Total drug cost
$461,098
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Olanzapine | Generic | 113 | 19 | $6,702 |
| Sertraline Hcl | Generic | 96 | 20 | $1,512 |
| Clozapine | Generic | 91 | 0 | $18,738 |
| Invega Sustenna (Paliperidone Palmitate) | Brand | 91 | 0 | $261,708 |
| Aripiprazole | Generic | 79 | 13 | $14,944 |
| Quetiapine Fumarate | Generic | 63 | 14 | $4,338 |
| Fluoxetine Hcl | Generic | 58 | 0 | $1,531 |
| Bupropion Xl (Bupropion Hcl) | Brand | 57 | 0 | $1,240 |
| Abilify Maintena (Aripiprazole) | Brand | 49 | 0 | $137,207 |
| Clonazepam | Generic | 46 | 0 | $524 |
Frequently asked questions
What is Dr. Maria Tsao's medical specialty?
Dr. Maria Tsao practices Psychiatry Physician in Fairfax, VA.
Where does Dr. Maria Tsao practice?
Dr. Maria Tsao practices at 8221 Willow Oaks Corporate Dr, Fairfax, VA 220314512. Office phone: 7032077819.
What is Dr. Maria Tsao's NPI?
Dr. Maria Tsao's National Provider Identifier (NPI) is 1336257278, issued by NPPES.
Does Dr. Maria Tsao accept Medicare assignment?
Yes. Dr. Maria Tsao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Tsao commonly perform?
Top Medicare-reported procedures in 2023: 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.