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NATHANIEL ALEXANDER LPC
NPI 1861855983
Counselor - Professional in Fredericksburg, VA

Active since April 05, 2016PECOS Enrolled
5610 SOUTHPOINT CENTRE BLVD, FREDERICKSBURG, VA 22407(833) 510-4357(866) 460-2997 Get Directions Write a Review

NPPES record last updated: March 18, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Nathaniel Alexander Lpc NPPES

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

NATHANIEL ALEXANDER LPC (NPI 1861855983) is an individual professional provider in Fredericksburg, Virginia, licensed in Virginia (0701006450) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1861855983
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameNATHANIEL ALEXANDERCredential: LPC
Location Address5610 SOUTHPOINT CENTRE BLVDFredericksburg, VA 22407-2611
Mailing AddressPo Box 746878Atlanta, GA 30374-6878 · (323) 205-7088 · Fax (866) 277-9071
Phone(833) 510-4357
Fax(866) 460-2997
Sole ProprietorNo
Enumeration DateApril 5, 2016
Last NPPES UpdateMarch 18, 2026
NPPES CertifiedMarch 18, 2026
✔ NPI 1861855983 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
Licenses✔ Licensed in VA · 0701006450✔ Licensed in MA · LMHC10000721✔ Licensed in DC · PRC200001993
Also ListedCounselorTaxonomy 101Y00000X · License LC15955 (MD), LPC-22692 (AZ), PC020042 (PA), LPC013157 (GA), 9063 (CT), 93412 (TX), 12326-125 (WI), E.2505712 (OH), 5487 (MN), 9225 (SC), 37PC01030000 (NJ)
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 0710101930 (VA)
5610 SOUTHPOINT CENTRE BLVD, Fredericksburg, VA 22407
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Secondary Practice Locations 3

Location 11350 Connecticut Ave NWWashington, DC 20036-1722 · Phone (415) 658-6791
Location 2300 Medical DrHampton, VA 23666-1765 · Phone (757) 788-0300
Location 353 State StBoston, MA 02109-2820 · Phone (617) 903-5000

Other Identifiers 1

Medicaid1659424448VA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of NC, Blue Cross and Blue Shield of Texas and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nathaniel Alexander Lpc 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 Reassignments

3

Medicare enrollment records show Nathaniel Alexander reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

One Medstar Primary Care LLC
54 mi
Family Medicine
1001 G ST NW, STE 200 EAST
Washington, DC 20001
  • Reassigned Medicare billing, District of Columbia enrollment
  • 162 clinicians in this Medicare group
NPI 1417571530 (202) 660-0005
Boston Neurobehavioral Associates, LLC
420 mi
Psychiatry
226 FIELD ST
New Bedford, MA 02740
  • Reassigned Medicare billing, Massachusetts enrollment
  • 196 clinicians in this Medicare group
NPI 1558415307 (508) 979-5557
Mass General Brigham Community Physicians Inc.
443 mi
Internal Medicine
47 MIDDLESEX TPKE
Burlington, MA 01803
  • Reassigned Medicare billing, Massachusetts enrollment
  • 350 clinicians in this Medicare group
NPI 1639773039 (781) 653-0100

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 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KORI JOSEPH
Counselor (Addiction (Substance Use Disorder))
5610 SOUTHPOINT CENTRE BLVD
FREDERICKSBURG, VA 22407
Spotsylvania County (833) 510-4357
NOEL ANNETTE SANDERS-WILLIAMS APRN
Nurse Practitioner (Family)
5610 SOUTHPOINT CENTRE BLVD
FREDERICKSBURG, VA 22407
Spotsylvania County (833) 510-4357
DARIAN NICOLE HUGO CSAC
Counselor (Addiction (Substance Use Disorder))
5610 SOUTHPOINT CENTRE BLVD
FREDERICKSBURG, VA 22407
Spotsylvania County (833) 510-4357
BRIDGETT BASSETT CSAC
Counselor (Addiction (Substance Use Disorder))
5610 SOUTHPOINT CENTRE BLVD
FREDERICKSBURG, VA 22407
Spotsylvania County (833) 510-4357
HARMONY MATTHEWS CSAC-S
Counselor (Addiction (Substance Use Disorder))
5610 SOUTHPOINT CENTRE BLVD
FREDERICKSBURG, VA 22407
Spotsylvania County (833) 510-4357
NICHOLAS ALEXANDER WINTERSTEIGER PA-C
Physician Assistant
5610 SOUTHPOINT CENTRE BLVD
FREDERICKSBURG, VA 22407
Spotsylvania County (833) 510-4357
CORA THOMPSON
Registered Nurse
5610 SOUTHPOINT CENTRE BLVD
FREDERICKSBURG, VA 22407
Spotsylvania County (833) 510-4357
DENISE TAYLOR HILES CSAC
Counselor (Addiction (Substance Use Disorder))
5610 SOUTHPOINT CENTRE BLVD
FREDERICKSBURG, VA 22407
Spotsylvania County (833) 510-4357

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 Nathaniel Alexander's NPI number?

The NPI number for Nathaniel Alexander is 1861855983. It was assigned to this individual provider in the NPPES registry on April 5, 2016.

Where is Nathaniel Alexander located?

Nathaniel Alexander practices at 5610 Southpoint Centre Blvd, Fredericksburg, VA 22407. The listed phone number is (833) 510-4357.

What is Nathaniel Alexander's specialty?

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

Is Nathaniel Alexander enrolled in Medicare?

Yes. Nathaniel Alexander is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Nathaniel Alexander's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Alexander reassigns Medicare benefits to 3 organizations: One Medstar Primary Care LLC (Washington, DC), Boston Neurobehavioral Associates, LLC (New Bedford, MA) and Mass General Brigham Community Physicians Inc. (Burlington, MA). Each 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 Nathaniel Alexander's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathaniel Alexander accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of NC, Blue Cross and Blue Shield of Texas and Harvard Pilgrim Health Care and 5 other insurers list Nathaniel Alexander 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 Nathaniel Alexander was last updated on March 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.