NICOLE COURTNEY TWAALFHOVEN LCPC
NPI 1003325515
Counselor - Mental Health in Riverdale, MD

Active since September 27, 2017PECOS EnrolledAccepts Medicare Assignment
6200 BALTIMORE AVE STE 300, RIVERDALE, MD 20737(301) 500-0311 Get Directions Write a Review

NPPES record last updated: November 15, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 15, 2024, Sep 20, 2021, Sep 14, 2020 (3 updates tracked since 2020).

About Nicole Courtney Twaalfhoven Lcpc NPPES

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

NICOLE COURTNEY TWAALFHOVEN LCPC (NPI 1003325515) is an individual mental health provider in Riverdale, Maryland, licensed in Maryland (LPC8520) and active in the NPI registry since September 2017. She is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (2014).

NPPES Registry Identity

NPI1003325515
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameNICOLE COURTNEY TWAALFHOVENCredential: LCPC
Location Address6200 BALTIMORE AVE STE 300Riverdale, MD 20737-1054
Mailing Address3538 18th St SArlington, VA 22204-5153 · (434) 466-4004
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2014
Enumeration DateSeptember 27, 2017
Last NPPES UpdateNovember 15, 20243 updates tracked since enumeration
NPPES CertifiedNovember 15, 2024
✔ NPI 1003325515 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in MD · LPC8520
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X
6200 BALTIMORE AVE STE 300, Riverdale, MD 20737

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

Nicole Courtney Twaalfhoven Lcpc 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 ID6800294489
PECOS Enrollment IDI20250714002054
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 Nicole Twaalfhoven reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
2300 WILSON BLVD STE 700
Arlington, VA 22201
  • Reassigned Medicare billing, District of Columbia enrollment

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 6

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

Social Worker (Clinical)
6200 BALTIMORE AVE STE 300
RIVERDALE, MD 20737
Nurse Practitioner (Psychiatric/Mental Health)
6200 BALTIMORE AVE STE 300
RIVERDALE, MD 20737
Social Worker (Clinical)
6200 BALTIMORE AVE STE 300
RIVERDALE, MD 20737
Naturopath
6200 BALTIMORE AVE STE 300
RIVERDALE, MD 20737
Homemaker
6200 BALTIMORE AVE STE 300
RIVERDALE PARK, MD 20737
Speech-Language Pathologist
6200 BALTIMORE AVE STE 300
RIVERDALE PARK, MD 20737

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 Nicole Twaalfhoven's NPI number?

The NPI number for Nicole Twaalfhoven is 1003325515. It was assigned to this individual provider in the NPPES registry on September 27, 2017.

Where is Nicole Twaalfhoven located?

Nicole Twaalfhoven practices at 6200 Baltimore Ave Ste 300, Riverdale, MD 20737. The listed phone number is (301) 500-0311.

What is Nicole Twaalfhoven's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Nicole Twaalfhoven enrolled in Medicare?

Yes. Nicole Twaalfhoven 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 Nicole Twaalfhoven's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicole Twaalfhoven reassigns Medicare benefits to Whole Healing Mental Health LLC (Arlington, 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 Nicole Twaalfhoven'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 Nicole Twaalfhoven was last updated on November 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.