DR. MARK ERROL HASTINGS PH.D.
NPI 1811098668
Psychologist - Forensic in Leesburg, VA

Active since September 26, 2006PECOS Enrolled
102 HERITAGE WAY NE STE 302, LEESBURG, VA 20176(703) 771-5100 Get Directions Write a Review

NPPES record last updated: September 7, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Mark Errol Hastings Ph.d. NPPES

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

DR. MARK ERROL HASTINGS PH.D. (NPI 1811098668) is an individual forensic provider in Leesburg, Virginia and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811098668
Entity TypeIndividualMale
Primary Taxonomy103TF0200X
Provider Legal NameDR. MARK ERROL HASTINGSCredential: PH.D.
Location Address102 HERITAGE WAY NE STE 302Leesburg, VA 20176-4544
Mailing Address102 Heritage Way Ne Ste 302Leesburg, VA 20176-4544 · (703) 771-5100
Sole ProprietorYes
Enumeration DateSeptember 26, 2006
Last NPPES UpdateSeptember 7, 2007
✔ NPI 1811098668 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ForensicBehavioral Health & Social Service Providers
Taxonomy Code103TF0200X
Definition
A psychologist whose specialty is characterized by activities primarily intended to provide professional psychological expertise within the judicial and legal systems.
102 HERITAGE WAY NE STE 302, Leesburg, VA 20176

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Errol Hastings Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mark Hastings reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
102 HERITAGE WAY NE, SUITE 310
Leesburg, VA 20176
  • Reassigned Medicare billing, Virginia enrollment
  • 59 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.

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.

Case Manager/Care Coordinator
102 HERITAGE WAY NE STE 302
LEESBURG, VA 20176
Counselor (Mental Health)
102 HERITAGE WAY NE STE 302
LEESBURG, VA 20176
Counselor
102 HERITAGE WAY NE STE 302
LEESBURG, VA 20176
Counselor (Mental Health)
102 HERITAGE WAY NE STE 302
LEESBURG, VA 20176
Case Manager/Care Coordinator
102 HERITAGE WAY NE STE 302
LEESBURG, VA 20176
Social Worker (Clinical)
102 HERITAGE WAY NE STE 302
LEESBURG, VA 20176
Counselor (Mental Health)
102 HERITAGE WAY NE STE 302
LEESBURG, VA 20176
Psychologist (Clinical)
102 HERITAGE WAY NE STE 302
LEESBURG, VA 20176

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 Mark Hastings's NPI number?

The NPI number for Mark Hastings is 1811098668. It was assigned to this individual provider in the NPPES registry on September 26, 2006.

Where is Mark Hastings located?

Mark Hastings practices at 102 Heritage Way NE Ste 302, Leesburg, VA 20176. The listed phone number is (703) 771-5100.

What is Mark Hastings's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Forensic, with taxonomy code 103TF0200X.

Is Mark Hastings enrolled in Medicare?

Yes. Mark Hastings is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Hastings's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Hastings reassigns Medicare benefits to County Of Loudoun, Virginia (Leesburg, 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 Mark Hastings's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Hastings was last updated on September 7, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.