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JENNIFER M DENK LCSW
NPI 1225895782
Social Worker - Clinical in Fairfax, VA

Active since March 01, 2024PECOS EnrolledAccepts Medicare Assignment
10300 EATON PL STE 440, FAIRFAX, VA 22030(571) 236-9093 Get Directions Write a Review

NPPES record last updated: October 5, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Jennifer M Denk Lcsw NPPES

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

JENNIFER M DENK LCSW (NPI 1225895782) is an individual clinical provider in Fairfax, Virginia, licensed in Virginia (0904018057) and active in the NPI registry since March 2024. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fairfax, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1225895782
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameJENNIFER M DENKCredential: LCSW
Location Address10300 EATON PL STE 440Fairfax, VA 22030-2239
Mailing Address10351 Main StFairfax, VA 22030-3583 · (571) 236-9093
Phone(571) 236-9093
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 1, 2024
Last NPPES UpdateOctober 5, 2025
NPPES CertifiedOctober 5, 2025
✔ NPI 1225895782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in VA · 0904018057
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 0904018057 (VA)
10300 EATON PL STE 440, Fairfax, VA 22030
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Secondary Practice Location 1

Location 110615 Judicial Dr Ste 301Fairfax, VA 22030-7501 · Phone (571) 236-9093

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

Jennifer M Denk Lcsw 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 ID446774863
PECOS Enrollment IDI20250408000168
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

2

Medicare enrollment records show Jennifer Denk reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Carewell Counseling Services
Same address
Clinical
10300 EATON PL STE 440
Fairfax, VA 22030
  • Reassigned Medicare billing, District of Columbia enrollment
NPI 1598643363 (571) 236-9093
Northern Virginia Older Adult Counseling
2.9 mi
Community/Behavioral Health
4700 BANTING CT
Fairfax, VA 22032
  • Reassigned Medicare billing, District of Columbia enrollment
  • 27 clinicians in this Medicare group
NPI 1831569896 (703) 424-0410

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $65.18 – $194.86
Typical copayment $0.00 (range $16.29 – $48.71)
Most-billed visit code NA
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

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

SHASTA LASHAY DOUGLAS MSW
Social Worker
10300 EATON PL STE 440
FAIRFAX, VA 22030
Fairfax City (256) 717-4095
MELISSA ZISSMAN GOLUB LCSW
Social Worker
10300 EATON PL STE 440
FAIRFAX, VA 22030
Fairfax City (703) 375-9871
CHRISTY HYNES
Student in an Organized Health Care Education/Training Program
10300 EATON PL STE 440
FAIRFAX, VA 22030
Fairfax City (757) 269-9084
IQGENETIX LLC
Clinical Medical Laboratory
10300 EATON PL STE 440
FAIRFAX, VA 22030
Fairfax City (866) 921-2415
CAREWELL COUNSELING SERVICES
Social Worker (Clinical)
10300 EATON PL STE 440
FAIRFAX, VA 22030
Fairfax City (571) 236-9093
TIFFANY PARKES MOSCOVA
Social Worker (Clinical)
10300 EATON PL STE 440
FAIRFAX, VA 22030
Fairfax City (571) 377-8218
MZG COUNSELING, LLC
Counselor (Mental Health)
10300 EATON PL STE 440
FAIRFAX, VA 22030
Fairfax City (703) 375-9871

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 Jennifer Denk's NPI number?

The NPI number for Jennifer Denk is 1225895782. It was assigned to this individual provider in the NPPES registry on March 1, 2024.

Where is Jennifer Denk located?

Jennifer Denk practices at 10300 Eaton Pl Ste 440, Fairfax, VA 22030. The listed phone number is (571) 236-9093.

What is Jennifer Denk's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Jennifer Denk enrolled in Medicare?

Yes. Jennifer Denk 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 organizations bill Medicare for Jennifer Denk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Denk reassigns Medicare benefits to 2 organizations: Carewell Counseling Services (Fairfax, VA) and Northern Virginia Older Adult Counseling (Fairfax, VA). 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 Jennifer Denk'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 Jennifer Denk was last updated on October 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.