NPPES file of Aug 9, 2026

Maria Tsao, M.D.

Psychiatry Physician · Fairfax, VA

Maria Tsao, M.D. is a psychiatry physician with a practice address in Fairfax, Virginia, and NPI 1336257278, issued on Aug 29, 2006. Check the license (Virginia 0101057741, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336257278
Name
Maria Tsao
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
0101057741 VA
Self-reported in NPPES; status is on the state search
Practice location
8221 Willow Oaks Corporate Dr, Fairfax, VA 22031
Phone
(703) 207-7819
Enumerated
Aug 29, 2006
Record last updated
Mar 16, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20131018000339); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 1994
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychiatry physician records → All 1,395 in Virginia → Look up another NPI →

Also registered at 8221 Willow Oaks Corporate Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Chinyere Abati-Sobulo, NPPsychiatric/Mental Health Nurse Practitioner1932999802
  2. Felicia Aboagye, LNPPsychiatric/Mental Health Nurse Practitioner1003450412
  3. Samuel Achu, LCSWClinical Social Worker1518484443
  4. Afua Addo, NPFamily Nurse Practitioner1629598289
  5. Folasade Adebayo, LPCProfessional Counselor1386488435
  6. Marieliz Alonso Calderon, M.D.Geriatric Psychiatry Physician1295990018

Verify Maria Tsao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101057741    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

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84% more Medicare Part D claims than the average psychiatry physician in 2024

1,841 Medicare Part D claims for 90 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Maria Tsao1,841
  2. Specialty average1,000

Most prescribed

  1. Sertraline Hcl141 claims
  2. Olanzapine127 claims
  3. Quetiapine Fumarate111 claims
  4. Invega Sustenna88 claims
  5. Clozapine75 claims
  6. Fluoxetine Hcl65 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.

Industry payments in 2024: $2,568.09

55 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maria Tsao$2,568.09
  2. Specialty average$4,954.93

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

  1. Fairfax County, VirginiaFairfax, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maria Tsao among 1,395 psychiatry physician records in Virginia

Maria Tsao, M.D. is one of 1,395 psychiatry physician records with a practice address in Virginia. 66% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 57% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated1994 · median 2003 among the 567 with a school on file
  • Record last updated2015 · 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 2084P0800X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Virginia

There are 1,395 psychiatry physician records in Virginia.

All 1,395 in Virginia → Every provider in Fairfax → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Cynthia Cohen, M.D.Fairfax, VA 220311174599286
  2. Chester Day, MDFairfax, VA 220311336224716
  3. Anil Hinnaria, MDFairfax, VA 220311588687263
  4. Thomas Kobylski, MDFairfax, VA 220311790888220
  5. Michael Kronen, MDFairfax, VA 220311518989706
  6. William McClintock, MDFairfax, VA 220311518044858
  7. Waleed Mushref, MDFairfax, VA 220311376501908
  8. Renee Payne, MDFairfax, VA 220311871592469

Common questions

What is Maria Tsao, M.D.'s NPI number?

Maria Tsao, M.D.'s National Provider Identifier (NPI) is 1336257278, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maria Tsao, M.D. located?

The NPPES record lists a practice address at 8221 Willow Oaks Corporate Dr, Fairfax, VA, 22031. Phone: (703) 207-7819. Providers update this record themselves, so call before visiting.

How can I verify Maria Tsao, M.D.'s license?

NPPES lists Virginia license number 0101057741, 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 Tsao, M.D. prescribe under Medicare Part D?

In 2024, Maria Tsao, M.D. had 1,841 Medicare Part D claims for 90 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.