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MRS. GLADYS SANTIAGO LPC
NPI 1205554573
Counselor - Professional in Alexandria, VA

Active since August 22, 2022PECOS EnrolledAccepts Medicare Assignment
8119 HOLLAND RD, ALEXANDRIA, VA 22306(703) 360-6910 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Gladys Santiago Lpc NPPES

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

MRS. GLADYS SANTIAGO LPC (NPI 1205554573) is an individual professional provider in Alexandria, Virginia, licensed in Virginia (0701011708) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS and is a graduate of Marymount University (1993).

NPPES Registry Identity

NPI1205554573
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameMRS. GLADYS SANTIAGOCredential: LPC
Location Address8119 HOLLAND RDAlexandria, VA 22306-3135
Mailing Address8119 Holland RdAlexandria, VA 22306-3135 · (703) 360-6910
Phone(703) 360-6910
Sole ProprietorNo
Medical School CMSMarymount UniversityGraduated 1993
Enumeration DateAugust 22, 2022
Last NPPES UpdateNovember 27, 2023
NPPES CertifiedNovember 27, 2023
✔ NPI 1205554573 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 · 0701011708
8119 HOLLAND RD, Alexandria, VA 22306
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Gladys Santiago 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.

PECOS PAC ID4587008891
PECOS Enrollment IDI20240214003380
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 Gladys Santiago reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Fairfax County, Virginia
17 mi
Mental Health (Including Community Mental Health Center)
12011 GOVERNMENT CENTER PARKWAY, SUITE 836
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
NPI 1154356244 (703) 324-7000

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.

MISHA YASAR LPC
Counselor (Professional)
8119 HOLLAND RD
ALEXANDRIA, VA 22306
Fairfax County (703) 799-2870
DR. SIMONA PICK BOTH MD
Psychiatry & Neurology (Psychiatry)
8119 HOLLAND RD
ALEXANDRIA, VA 22306
Fairfax County (703) 383-8500
DR. JAMES THOMAS THORNBURGH MD
Psychiatry & Neurology (Psychiatry)
8119 HOLLAND RD
ALEXANDRIA, VA 22306
Fairfax County (703) 799-2762
WENDY LYNN IBANEZ RN
Registered Nurse
8119 HOLLAND RD
ALEXANDRIA, VA 22306
Fairfax County (703) 799-2810
MRS. DEVIN MCKENZIE ARNOLD LPC
Counselor (Professional)
8119 HOLLAND RD
ALEXANDRIA, VA 22306
Fairfax County (703) 360-6910
MARYBEL F QUANT LPC
Counselor (Professional)
8119 HOLLAND RD
ALEXANDRIA, VA 22306
Fairfax County (703) 799-2893
RACHAEL MICHELLE JOHNSON LPC
Counselor (Professional)
8119 HOLLAND RD
ALEXANDRIA, VA 22306
Fairfax County (703) 799-2723
SIMRAN KATWAL LCSW
Social Worker (Clinical)
8119 HOLLAND RD
ALEXANDRIA, VA 22306
Fairfax County (703) 360-6910

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 Gladys Santiago's NPI number?

The NPI number for Gladys Santiago is 1205554573. It was assigned to this individual provider in the NPPES registry on August 22, 2022.

Where is Gladys Santiago located?

Gladys Santiago practices at 8119 Holland Rd, Alexandria, VA 22306. The listed phone number is (703) 360-6910.

What is Gladys Santiago's specialty?

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

Is Gladys Santiago enrolled in Medicare?

Yes. Gladys Santiago 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.

Which organization bills Medicare for Gladys Santiago's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gladys Santiago 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 Gladys Santiago'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 Gladys Santiago was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.