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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

POTOMAC CENTER INC
NPI 1457403099
Counselor - Professional in Alexandria, VA

Active since January 16, 2007
5500 HOLMES RUN PKWY, STE C4, ALEXANDRIA, VA 22304(703) 379-7350(703) 379-7352 Get Directions Write a Review

NPPES record last updated: October 8, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 8, 2026, Sep 14, 2016 (2 updates tracked since 2016).

About Potomac Center Inc NPPES

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

POTOMAC CENTER INC (NPI 1457403099) is a healthcare organization registered as a professional in Alexandria, Virginia and active in the NPI registry since January 2007. The organization lists Nathalie Gallet, President, as its authorized official.

NPPES Registry Identity

NPI1457403099
Entity TypeOrganization
Primary Taxonomy101YP2500X
Legal Business NamePOTOMAC CENTER INC
Location Address5500 HOLMES RUN PKWY, STE C4Alexandria, VA 22304-2863
Mailing Address5500 Holmes Run Pkwy Ste C4Alexandria, VA 22304-2860 · (703) 379-7350 · Fax (703) 379-7352
Phone(703) 379-7350
Fax(703) 379-7352
Organization SubpartNo
Authorized OfficialNathalie GalletPresident · (705) 379-7350
Enumeration DateJanuary 16, 2007
Last NPPES UpdateOctober 8, 20262 updates tracked since enumeration
NPPES CertifiedOctober 8, 2026
✔ NPI 1457403099 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X
5500 HOLMES RUN PKWY, Alexandria, VA 22304
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Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Potomac Center Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Potomac Center Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Scott Krysztofiak, PSY.D.
Clinical Psychologist
NPI 1801284682
5500 HOLMES RUN PKWY SUITE C 4
Alexandria, VA 22304
(703) 379-7350
✔ PECOS✔ Accepts MedicareSame address
Daniel Donnelly, PHD
Clinical Psychologist
NPI 1891849048
5276 DAWES AVE
Alexandria, VA 22311
(703) 379-7350
✔ PECOS✔ Accepts Medicare1.5 mi
Eugene Shooter, Jr., PH.D.
Clinical Psychologist
NPI 1720024821
5276 DAWES AVE
Alexandria, VA 22311
(703) 379-7350
✔ PECOS✔ Accepts Medicare1.5 mi
Thomas Neal, PHD
Clinical Psychologist
NPI 1174593412
5276 DAWES AVE
Alexandria, VA 22311
(703) 379-3750
✔ PECOS✔ Accepts Medicare1.5 mi
Sarunporn (Jay) Sirikietsoong, PSY.D.
Clinical Psychologist
NPI 1871802314
6120 BRANDON AVE STE 315
Springfield, VA 22150
(541) 514-9884
✔ PECOS3.8 mi
Paul Marion, PLPC
Mental Health Counselor
NPI 1538655873
835 W TERRA LN
O Fallon, MO 63366
(636) 345-1106
✔ PECOS✔ Accepts Medicare733 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Potomac Center Inc's NPI number?

The NPI number for Potomac Center Inc is 1457403099. It was assigned to this organization in the NPPES registry on January 16, 2007.

Where is Potomac Center Inc located?

Potomac Center Inc is located at 5500 Holmes Run Pkwy Ste C4, Alexandria, VA 22304. The listed phone number is (703) 379-7350.

What is Potomac Center Inc's specialty?

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

Is Potomac Center Inc enrolled in Medicare?

Yes. Potomac Center Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Potomac Center Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to Potomac Center Inc. A 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 the clinician's services. The largest specialties are Clinical Psychologist (5) and Mental Health Counselor (1). Of these, 1 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Potomac Center Inc was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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.