Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nicole Courtney Twaalfhoven, LCPC

Individual provider Professional Counselor · NPI 1003325515

Nicole Courtney Twaalfhoven, LCPC is a Mental Health Counselor in Riverdale, Maryland. Graduated from Johns Hopkins University School of Medicine in 2014, 12 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
12
Trained at
Johns Hopkins University School of Medicine
Licensed in
MD
In the registry since
2017
Specialties on file
2
What do these letters mean?
LCPC — Licensed Clinical Professional Counselor
A licensed clinical counsellor.

See every abbreviation used in this directory →

Practice location Address checks out

6200 Baltimore Ave Ste 300
Riverdale, MD 20737-1054
Phone: (301) 500-0311
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LPC8520 (MD)
Professional Counselor Taxonomy 101YP2500X

Record details

NPI number1003325515
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCPC
Sole proprietorNo
NPI enumeratedSeptember 27, 2017
Last updated in NPPESNovember 15, 2024
Certification dateNovember 15, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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