GAYLE P NISSEN LCSW
NPI 1982849782
Counselor - Mental Health in Reston, VA
About Gayle P Nissen Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GAYLE P NISSEN LCSW (NPI 1982849782) is an individual mental health provider in Reston, Virginia, licensed in Virginia (0904005220) and active in the NPI registry since December 2008. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gayle P Nissen Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gayle Nissen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fairfax, VA 22035
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Director Of Finance-County Of Fairfax Va
- 383 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RESTON, VA 20190
RESTON, VA 20190
RESTON, VA 20190
RESTON, VA 20190
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 Gayle Nissen's NPI number?
The NPI number for Gayle Nissen is 1982849782. It was assigned to this individual provider in the NPPES registry on December 8, 2008.
Where is Gayle Nissen located?
Gayle Nissen practices at 1850 Cameron Glen Dr, Reston, VA 20190. The listed phone number is (703) 481-4011.
What is Gayle Nissen's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Gayle Nissen enrolled in Medicare?
Yes. Gayle Nissen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gayle Nissen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gayle Nissen reassigns Medicare benefits to Fairfax County, Virginia (Fairfax, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gayle Nissen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gayle Nissen accept?
Health plans from Oscar Health list Gayle Nissen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Gayle Nissen was last updated on March 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Gayle P Nissen, LCSW · NPI 1982849782
Mental Health provider in Reston, Virginia. Individual provider, active in the CMS NPPES registry since December 8, 2008.
## Identity
- **NPI:** 1982849782 (Entity type: Individual)
- **Enumerated:** December 8, 2008
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** 0904005220 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1850 CAMERON GLEN DR, Reston, VA 20190-3363
- **Phone:** (703) 481-4011 · **Fax:** (703) 481-1420
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Fairfax County, Virginia (NPI 1154356244, Fairfax, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 29, 2021
- **Other identifiers:** Medicaid 99999 (VA)
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Source: [NPI Profile](https://npiprofile.com/npi/1982849782) · Data from the CMS NPPES public registry.