DR. DIANE MCCARTHY PROST PSYD, MED, NCC, LPC
NPI 1568907749
Counselor - Professional in Fairfax, VA
About Dr. Diane Mccarthy Prost Psyd, Med, Ncc, Lpc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DIANE MCCARTHY PROST PSYD, MED, NCC, LPC (NPI 1568907749) is an individual professional provider in Fairfax, Virginia, licensed in Virginia (0701013187) and active in the NPI registry since December 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Diane Mccarthy Prost Psyd, Med, Ncc, Lpc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIRFAX, VA 22031
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 Diane Prost's NPI number?
The NPI number for Diane Prost is 1568907749. It was assigned to this individual provider in the NPPES registry on December 27, 2016.
Where is Diane Prost located?
Diane Prost practices at 9675 Main St Ste C, Fairfax, VA 22031. The listed phone number is (314) 640-1530.
What is Diane Prost's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Diane Prost enrolled in Medicare?
Yes. Diane Prost is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Diane Prost accept?
Health plans from Medica, Oscar Insurance Company, Providence Health Plan and UnitedHealthcare list Diane Prost 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 Diane Prost was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.
# Dr. Diane Mccarthy Prost, PSYD, MED, NCC, LPC · NPI 1568907749
Professional provider in Fairfax, Virginia. Individual provider, active in the CMS NPPES registry since December 27, 2016.
## Identity
- **NPI:** 1568907749 (Entity type: Individual)
- **Enumerated:** December 27, 2016
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** 0701013187 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9675 MAIN ST STE C, Fairfax, VA 22031-3762
- **Phone:** (314) 640-1530
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** September 2, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1568907749) · Data from the CMS NPPES public registry.