NPPES file of Aug 9, 2026

Chester L. Day, MD

Psychiatry Physician · Fairfax, VA

Chester L. Day, MD is a psychiatry physician with a practice address in Fairfax, Virginia, and NPI 1336224716, issued on Oct 26, 2006. Check the license (Virginia 0101257280, as entered in NPPES) on the Virginia Department of Health Professions; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1336224716
Name
Chester L. Day
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
0101257280 VA
0415631 KS
Self-reported in NPPES; status is on the state search
Practice location
8221 Willow Oaks Corporate Dr Ste 4-420, Fairfax, VA 22031
Phone
(703) 289-7560
Enumerated
Oct 26, 2006
Record last updated
Apr 5, 2022
Fax
(703) 204-9001
Medicaid ID
100139940C KS
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.
Download card Updates feed

Also registered at 8221 Willow Oaks Corporate Dr Ste 4-420

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

  1. Binu Abraham, MSW, LICSW, LCSW-CClinical Social Worker1457625527
  2. Susan Allen, RCSWIClinical Social Worker1154882801
  3. Kory Bradley, LSWClinical Social Worker1518243682
  4. Julia Chernyy, LCSWClinical Social Worker1144930827
  5. Ashley Dixon, LCSWClinical Social Worker1609473602
  6. Erica EnglefieldProfessional Counselor1114325586

Verify Chester L. Day 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 0101257280
    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

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

Is this page about you? You can ask us to correct, restrict or remove it: how.

Psychiatry Physician providers in Virginia

There are 1,395 psychiatry physician records in Virginia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other psychiatry physician records in Virginia

  1. Muhammad Abbas, M.DHopewell, VA1871944462
  2. Ahmed Sherif Abdel Meguid, MDFalls Church, VA1700956307
  3. Maha Abdel-Kader, MDManassas, VA1730172065
  4. Ayman Abdelbakey, M.D.Ashburn, VA1790880722
  5. Maria Abeleda, MDWytheville, VA1871554907
  6. Alaa AbouelnasrCharlottesville, VA1952074817
  7. Zviadi Aburjania, MDMc Lean, VA1811457245
  8. Letonia Adams, M.D.Christiansburg, VA1053730358
  9. Eunice Adeola, MSN, PMHNP-BCTysons Corner, VA1962351817
  10. Sarah AderholdtSalem, VA1841992401

Common questions

What is Chester L. Day, MD's NPI number?

Chester L. Day, MD's National Provider Identifier (NPI) is 1336224716, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chester L. Day, MD located?

The NPPES record lists a practice address at 8221 Willow Oaks Corporate Dr Ste 4-420, Fairfax, VA, 22031. Phone: (703) 289-7560. Providers update this record themselves, so call before visiting.

How can I verify Chester L. Day, MD's license?

NPPES lists Virginia license number 0101257280, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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 9, 2026.