Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Errol Segall, MD
Psychiatry Physician in Fairfax, VA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1407855190
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Registry record
Entity type Individual (Type 1)
Name Errol Segall
Credential MD
Sex Male
Practice address 8500 Executive Park Ave, Suite 200, Fairfax, VA, 22031
Phone (703) 698-5220
Fax (703) 573-2351
Enumeration date Jul 15, 2005
Last updated in NPPES Nov 10, 2011
Taxonomy & licenses
2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 0101031662 (VA) Primary
2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License D0042679 (MD) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 513455 | Other | VA | NCPPO |
| 032028 | Other | VA | VALUE OPTIONS |
| 520045 | Other | - | MAMSI |
| 403200400 | Medicaid | MD | - |
| 4137282 | Other | - | AETNA |
| 0001 | Other | DC | CAREFIRST NCA |
| 110142-000 | Other | VA | MAGELLAN |
| 153479 | Other | VA | ANTHEM |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
How do I verify Errol Segall's NPI record?
Cross-check NPI 1407855190 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1407855190 active?
Yes, as of the latest NPPES snapshot, NPI 1407855190 is active (record last updated 2011-11-10).
Other providers at this practice address
Browse all → Richard Baither Psychologist · Fairfax, VA NPI 1346249026 Tara Brown Psychologist · Fairfax, VA NPI 1982603692 Christine Lederman Social Worker · Fairfax, VA NPI 1891794590 Alexandra Roth Social Worker · Fairfax, VA NPI 1063411528 Robert Castino Psychologist · Fairfax, VA NPI 1659370112 Diane Osborne Social Worker · Fairfax, VA NPI 1013916402 Renee Payne Psychiatry Physician · Fairfax, VA NPI 1871592469 Elizabeth Musil Clinical Social Worker · Fairfax, VA NPI 1184619322
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-10.