Registry data as of Aug 27, 2026

Walter Guarino, M.D.

Psychiatry Physician · Vienna, VA

Walter Guarino, M.D. is a psychiatry physician with a practice address in Vienna, Virginia, and NPI 1366563199, issued on Apr 2, 2007. Check the license 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 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1366563199
Name
Walter Guarino
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
Practice location
501 Church St NE Ste 206, Vienna, VA 22180
Phone
(703) 887-6423
Enumerated
Apr 2, 2007
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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Also registered at 501 Church St NE Ste 206

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

  1. Elaine Boomer, LCSWClinical Social Worker1861599904

Verify Walter Guarino in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health ProfessionsCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

92% fewer Medicare Part D claims than the average psychiatry physician in 2024

81 Medicare Part D claims, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D.

  1. Walter Guarino81
  2. Specialty average1,010

Most prescribed

  1. Lorazepam34 claims
  2. Dextroamphetamine-Amphetamine12 claims
  3. Mirtazapine11 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: $899.66

25 payments, mostly food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 12,691 providers of this specialty with any payment received $4,902.45 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Walter Guarino$899.66
  2. Specialty average$4,902.45

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

22 psychiatry physician records list a Vienna practice address

They are 22 of the 1,554 NPPES records with a Vienna practice address, and 1,314 psychiatry physician records in Virginia.

Other psychiatry physician records in Virginia

  1. Imran Abassi, MDLeesburg, VA1003875014
  2. Muhammad Abbas, M.DHopewell, VA1871944462
  3. Ahmed Sherif Abdel Meguid, MDFalls Church, VA1700956307
  4. Maha Abdel-Kader, MDManassas, VA1730172065
  5. Ayman Abdelbakey, M.D.Ashburn, VA1790880722
  6. Maria Abeleda, MDWytheville, VA1871554907
  7. Alaa AbouelnasrCharlottesville, VA1952074817
  8. Zviadi Aburjania, MDMc Lean, VA1811457245
  9. Felicity Adams Vanke, M.D.Roanoke, VA1245458181
  10. Eunice Adeola, MSN, PMHNP-BCTysons Corner, VA1962351817

Common questions

What is Walter Guarino, M.D.'s NPI number?

Walter Guarino, M.D.'s National Provider Identifier (NPI) is 1366563199, issued on Apr 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Walter Guarino, M.D. located?

The NPPES record lists a practice address at 501 Church St NE Ste 206, Vienna, VA, 22180. Phone: (703) 887-6423. Providers update this record themselves, so call before visiting.

How can I verify Walter Guarino, M.D.'s license?

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 Walter Guarino, M.D. prescribe under Medicare Part D?

In 2024, Walter Guarino, M.D. had 81 Medicare Part D claims; the average among psychiatry physician prescribers was 1,010. 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.