NPPES file of Aug 9, 2026

Margaret Joan Best, CLINICAL NURSE SPECI

Registered Nurse · Herndon, VA

Margaret Joan Best, CLINICAL NURSE SPECI is a registered nurse with a practice address in Herndon, Virginia, and NPI 1124170766, issued on Jan 16, 2007. Check the license (Virginia 0001054045, as entered in NPPES) with the Virginia board that licenses this profession; 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
1124170766
Name
Margaret Joan Best
Credential
CLINICAL NURSE SPECI
Primary taxonomy
Registered Nurse 163W00000X
License numbers
0001054045 VA
0015000685 VA
Self-reported in NPPES; status is on the state search
Practice location
435 A Carlisle Drive, Herndon, VA 20170
Phone
(703) 715-6021
Enumerated
Jan 16, 2007
Record last updated
Sep 11, 2025
Fax
(703) 620-0605
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 Margaret Joan Best in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia board licenses this profession
    Search for license 0001054045    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
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Registered Nurse providers in Virginia

There are 1,282 registered nurse records in Virginia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,282 in Virginia → Every provider in Herndon →

Other registered nurse records in Virginia

  1. Joy Aaron, RNPortsmouth, VA1083765911
  2. Elizabeth Abando, RN, IBCLC, FNP-BCFairfax, VA1366053332
  3. Zenobia AbbasiGlen Allen, VA1831354380
  4. Laurie Abdelmegid, RNChantilly, VA1184380511
  5. Maryum Abdul-BasirHenrico, VA1609463967
  6. Tirsit Abebe, REGISTERED NURSELorton, VA1023354719
  7. Jessica AbelsRoanoke, VA1881465227
  8. Afia AcheampongFalls Church, VA1053270686
  9. Christy Acosta, RNSterling, VA1821626193
  10. Brittany AdamsReston, VA1518209220

Common questions

What is Margaret Joan Best, CLINICAL NURSE SPECI's NPI number?

Margaret Joan Best, CLINICAL NURSE SPECI's National Provider Identifier (NPI) is 1124170766, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Joan Best, CLINICAL NURSE SPECI located?

The NPPES record lists a practice address at 435 A Carlisle Drive, Herndon, VA, 20170. Phone: (703) 715-6021. Providers update this record themselves, so call before visiting.

How can I verify Margaret Joan Best, CLINICAL NURSE SPECI's license?

NPPES lists Virginia license number 0001054045, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity 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. 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.