1. Home
  2. Directory
  3. Virginia
  4. Winchester
  5. Counselor
  6. NPI Profile

JOHN WILLIAM MASON MA
NPI 1184223091
Counselor - Professional in Winchester, VA

Active since October 21, 2020
500 PEGASUS CT STE 500, WINCHESTER, VA 22602(800) 805-6989 Get Directions Write a Review

NPPES record last updated: October 21, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About John William Mason Ma NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN WILLIAM MASON MA (NPI 1184223091) is an individual professional provider in Winchester, Virginia, licensed in Virginia (0704011758) and active in the NPI registry since October 2020.

NPPES Registry Identity

NPI1184223091
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameJOHN WILLIAM MASONCredential: MA
Location Address500 PEGASUS CT STE 500Winchester, VA 22602-4596
Mailing Address1102 Carrie WayMartinsburg, WV 25401-2414 · (304) 671-6787
Phone(800) 805-6989
Sole ProprietorNo
Enumeration DateOctober 21, 2020
NPPES CertifiedOctober 15, 2020
✔ NPI 1184223091 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in VA · 0704011758
500 PEGASUS CT STE 500, Winchester, VA 22602
Open in Google Maps ↗

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JASON KIDWELL
Counselor (Addiction (Substance Use Disorder))
500 PEGASUS CT STE 500
WINCHESTER, VA 22602
Frederick County (540) 313-4196
MS. CONSTANCE DELLA SEY LCSW
Social Worker (Clinical)
500 PEGASUS CT STE 500
WINCHESTER, VA 22602
Frederick County (540) 313-4196
QUANSHIVYA LEWIS LPN
Licensed Practical Nurse
500 PEGASUS CT STE 500
WINCHESTER, VA 22602
Frederick County (800) 805-6989
STEPHANIE DAVIS BS
Counselor (Addiction (Substance Use Disorder))
500 PEGASUS CT STE 500
WINCHESTER, VA 22602
Frederick County (800) 805-6989
BRITTANY BOONE LPN
Licensed Practical Nurse
500 PEGASUS CT STE 500
WINCHESTER, VA 22602
Frederick County (540) 313-4196
MR. RICHARD ALLEN YOUNG LSW
Counselor (Addiction (Substance Use Disorder))
500 PEGASUS CT STE 500
WINCHESTER, VA 22602
Frederick County (540) 313-4196
CHRISTINE COURVILLE LPN
Licensed Practical Nurse
500 PEGASUS CT STE 500
WINCHESTER, VA 22602
Frederick County (540) 313-4196
MRS. VICKI LOU WISE-SMITH
Counselor (Addiction (Substance Use Disorder))
500 PEGASUS CT STE 500
WINCHESTER, VA 22602
Frederick County (540) 313-4196

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Mason's NPI number?

The NPI number for John Mason is 1184223091. It was assigned to this individual provider in the NPPES registry on October 21, 2020.

Where is John Mason located?

John Mason practices at 500 Pegasus Ct Ste 500, Winchester, VA 22602. The listed phone number is (800) 805-6989.

What is John Mason's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for John Mason was last updated on October 21, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.