NPPES file of Aug 9, 2026

Mario Casolaro, MD

Pulmonary Disease Physician · Tysons, VA

Mario Casolaro, MD is a pulmonary disease physician with a practice address in Tysons, Virginia, and NPI 1033102363, issued on Aug 23, 2005. Check the license (Virginia 0101035642, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033102363
Name
Mario Casolaro
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
0101035642 VA
Self-reported in NPPES; status is on the state search
Practice location
1750 Tysons Blvd Ste 1160, Tysons, VA 22102
Phone
(571) 341-9450
Enumerated
Aug 23, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Mario Casolaro 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 0101035642
    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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50% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

713 Medicare Part D claims for 41 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 16 claims were for opioids.

  1. Mario Casolaro713
  2. Specialty average1,425

Most prescribed

  1. Atorvastatin Calcium45 claims
  2. Eliquis29 claims
  3. Metoprolol Succinate28 claims
  4. Prednisone24 claims
  5. Tamsulosin Hcl23 claims
  6. Trazodone Hcl22 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.

1 pulmonary disease physician records list a practice address in Tysons

They are 1 of the 59 NPPES records with a practice address in Tysons, and 386 pulmonary disease physician records in Virginia.

Other pulmonary disease physician records in Virginia

  1. Michael Abadier, DOGloucester, VA1346778461
  2. Nathalie Abi Hatem, M.D.Salem, VA1548558059
  3. Youssef Abouleish, MDSuffolk, VA1134649502
  4. Jawed Abubaker, MDPetersburg, VA1063386043
  5. Roshan Acharya, M.D.Williamsburg, VA1386090686
  6. Richard Ackart, MDWilliamsburg, VA1194710335
  7. Haytham Adada, MDAbingdon, VA1336324896
  8. Adnan Adawi, MDAlexandria, VA1538243019
  9. Kyle Admire, DONorfolk, VA1750910618
  10. Anil Agarwal, MDNorton, VA1366410250

Common questions

What is Mario Casolaro, MD's NPI number?

Mario Casolaro, MD's National Provider Identifier (NPI) is 1033102363, issued on Aug 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mario Casolaro, MD located?

The NPPES record lists a practice address at 1750 Tysons Blvd Ste 1160, Tysons, VA, 22102. Phone: (571) 341-9450. Providers update this record themselves, so call before visiting.

How can I verify Mario Casolaro, MD's license?

NPPES lists Virginia license number 0101035642, 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 Mario Casolaro, MD prescribe under Medicare Part D?

In 2024, Mario Casolaro, MD had 713 Medicare Part D claims for 41 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

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 27, 2026.