Dr. Maria S. Tsao, MD

  • Fairfax, VA
  • Psychiatrist
NPI1336257278PAC ID1557595915
Medicare services, 2024
280
Medicare patients, 2024
56
Part D claims, 2024
1,841
Industry payments
$12,745
Affiliated sites
1
Practice address
12011 Government Center Pkwy, Fairfax, VA 22035
Practice phone
Call (703) 324-7000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Fairfax-Falls Church Community Services Board

Fairfax, Virginia

See all 3 affiliations

Find Dr. Tsao's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Maria S. Tsao is a psychiatrist in Fairfax, Virginia

Dr. Tsao practices at Fairfax-Falls Church Community Services Board in Fairfax, Virginia.

Dr. Tsao's NPI, 1336257278, was assigned on August 29, 2006. Dr. Tsao graduated from Georgetown University School of Medicine in 1994. Dr. Tsao holds Virginia license 0101057741.

NPI and contact details
Medicare PAC ID
1557595915
NPI enumeration date
August 29, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(703) 324-7000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
58
Medical school graduation
1994

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Maria S. Tsao practices at Fairfax-Falls Church Community Services Board in Fairfax, Virginia

Dr. Tsao's primary practice is Fairfax-Falls Church Community Services Board, at 12011 Government Center Pkwy, Fairfax, VA 22035 in Fairfax County. The practice phone is (703) 324-7000.

  • Fairfax-Falls Church Community Services Board
    12011 Government Center Pkwy, Fairfax, VA 22035 · Fairfax CountyPhone(703) 324-7000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Maria S. Tsao is affiliated with 2 sites of care and 1 medical group

Dr. Tsao's primary practice is Fairfax-Falls Church Community Services Board in Fairfax, Virginia. The medical group on file is Fairfax-Falls Church Community Services Board. Dmand AI also links Dr. Tsao to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Tsao

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Maria S. Tsao's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsao practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fairfax-Falls Church Community Services BoardAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Tsao practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Maria S. Tsao is one of 1,014 psychiatrists in Virginia

Psychiatry is Dr. Tsao's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Tsao is licensed in Virginia.

Specialties and state licenses

  • Psychiatry, VirginiaPrimaryLicense 0101057741 · taxonomy 2084P0800X

Psychiatrists near Dr. Tsao

Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Maria S. Tsao billed Medicare for 280 services in 2024

CMS data shows 280 Medicare services from Dr. Tsao across 2 procedure codes in 2024, for 56 Medicare patients. Medicare paid $17,882 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024280
Medicare patients56
Paid by Medicare$17,882
Procedure codes2

Dr. Tsao's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2522024: 252No change
Tests and treatments
2023: 02024: 28

Dr. Tsao compared with the Virginia median for psychiatrists, 2024

  • Dr. Tsao
  • Virginia median
Medicare services
280vs 15581% above
Medicare patients
56vs 5110% above
Part D claims
1,698vs 15710.8 times

Medians across 1,072 psychiatrists in Virginia with Dmand AI profiles that report each measure.

Dr. Tsao's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Tsao

Need commercial claims for Dr. Tsao?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tsao and other psychiatrists in Virginia.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Maria S. Tsao treated 56 Medicare patients in 2024, average age 54

CMS counts 56 Medicare patients who saw Dr. Tsao in 2024. The largest group is under 65, with 45 patients. 75% of them have schizophrenia and other psychoses, and 66% have high cholesterol. 59% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Tsao's median patient age at 46, with 35% women.

Medicare patients, 202456
Average age54
Average risk score1.15
Also on Medicaid59%

Dr. Tsao's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Tsao's Medicare patients by sex, 2024

  • Women2036%
  • Men3664%

Chronic conditions among Dr. Tsao's Medicare patients, 2024

  1. Schizophrenia and other psychoses75%
  2. High cholesterol66%
  3. Mood disorders50%
  4. Anxiety46%
  5. High blood pressure45%
  6. Diabetes36%
  7. Bipolar disorder34%
  8. Depression34%

Share of Medicare patients with each condition. A patient can have several.

Dr. Tsao's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 46

Patient panel by sex, all payers

  • Women35%
  • Men64%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Maria S. Tsao wrote 1,841 Medicare Part D claims in 2024

In 2024, Dr. Tsao wrote 1,841 Medicare Part D claims for 90 patients. 83% of them were for generic drugs. CMS names the drug for 1,698 of them, across 45 drugs with 11 or more claims each, at $1,022,770 in total drug cost. In 2023, CMS named 1,415 claims across 40 drugs.

Part D claims, 20241,841
Drugs named by CMS45
Total drug cost$1M
Part D patients90

Dr. Tsao's Part D claims by kind of drug, 2024

  • Generic1,523 claims83%
  • Brand-name318 claims17%

Dr. Tsao's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Tsao's Part D claims, 2024

  • Antipsychotics, patients 65 and over11%208 of 1,841 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,4152024: 1,69820%

Drugs named by CMS: 45 in 2024, 40 in 2023.

See all prescribing by Dr. Tsao

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Maria S. Tsao offers telehealth to Medicare patients

Dr. Tsao accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tsao as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

Find psychiatrists like Dr. Tsao by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Maria S. Tsao received $12,745 in industry payments from 2016 to 2025

CMS Open Payments shows 260 general payments to Dr. Tsao from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Alkermes, Inc. paid the most, $1,953.

General payments to Dr. Tsao by program year, 2016 to 2025

General payments to Dr. Tsao by kind, 2016 to 2025

$12.7Kin total
  • Food and beverage$12,43398%
  • Education$3132%

Companies that paid Dr. Tsao the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Tsao

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Maria S. Tsao graduated from Georgetown University School of Medicine

Dr. Tsao graduated from Georgetown University School of Medicine in 1994.

  1. Medical schoolGeorgetown University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Maria S. Tsao's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Maria S. Tsao

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Maria S. Tsao's NPI number?

Dr. Maria S. Tsao's NPI number is 1336257278. It was assigned on August 29, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Maria S. Tsao?

Dr. Maria S. Tsao is a psychiatrist in Fairfax, Virginia. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. Maria S. Tsao practice?

Dr. Tsao practices at 12011 Government Center Pkwy, Fairfax, VA 22035. Dr. Tsao's primary practice is Fairfax-Falls Church Community Services Board in Fairfax, Virginia. Dmand AI also links Dr. Tsao to 1 group practice or clinic.

What is Dr. Maria S. Tsao's office phone number?

The practice phone on file for Dr. Tsao is (703) 324-7000.

What is Dr. Maria S. Tsao's medical license number?

Dr. Tsao holds Virginia license 0101057741.

What medical group is Dr. Maria S. Tsao part of?

Dr. Tsao is linked to Fairfax-Falls Church Community Services Board.

Does Dr. Maria S. Tsao accept Medicare?

Yes. CMS data shows Dr. Tsao billed Medicare for 280 services in 2024, and Dr. Tsao accepts Medicare assignment.

Does Dr. Maria S. Tsao offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Tsao as offering telehealth services.

How many Medicare patients does Dr. Maria S. Tsao see?

CMS counts 56 Medicare patients who saw Dr. Tsao in 2024, with an average age of 54.

What services does Dr. Maria S. Tsao bill to Medicare?

In 2024, Dr. Tsao's most billed Medicare services were office visit, established patient (99214) and infusion or chemotherapy administration (96372).

Show 4 more questionsShow fewer questions

Where did Dr. Maria S. Tsao go to medical school?

Dr. Tsao graduated from Georgetown University School of Medicine in 1994.

What drugs does Dr. Maria S. Tsao prescribe most?

In 2024 Medicare Part D data, Dr. Tsao's most prescribed drugs by claims were Sertraline HCl, Olanzapine and Quetiapine Fumarate.

Has Dr. Maria S. Tsao received payments from drug or device companies?

CMS Open Payments shows $12,745 in general payments to Dr. Tsao from 18 companies from 2016 to 2025. The largest total came from Alkermes, Inc.

How long has Dr. Maria S. Tsao been practicing?

Dr. Tsao graduated from medical school in 1994, 32 years ago.

Selling to psychiatry practices?

See psychiatrists in Virginia by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)