Marjolijn Hiemstra, LPC, QSACM, NLP
NPI 1659073161 · Professional Counselor · Fairfax, VA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marjolijn Hiemstra, LPC, QSACM, NLP is a Professional Counselor provider in Fairfax, VA (NPI 1659073161).
Provider details
- NPI number
- 1659073161
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LPC, QSACM, NLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0701012302 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 14451 N Slope StCentreville, VA 20120-4151Phone: (571) 409-1783
Registry dates
- Enumerated
- 2023-03-20
- Last updated
- 2026-02-15
- Certified
- 2026-02-15
Frequently asked questions
- What is Marjolijn Hiemstra's NPI number?
- Marjolijn Hiemstra's National Provider Identifier (NPI) is 1659073161, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marjolijn Hiemstra's specialty?
- Marjolijn Hiemstra is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Marjolijn Hiemstra located?
- Marjolijn Hiemstra's practice location on file with NPPES is 8221 Willow Oaks Corporate Dr, Fairfax, VA 22031-4512.
- What is Marjolijn Hiemstra's phone number?
- The practice phone number listed in the NPPES registry for Marjolijn Hiemstra is (571) 544-2134.
- Does Marjolijn Hiemstra accept Medicare?
- Marjolijn Hiemstra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marjolijn Hiemstra's NPI active?
- Yes — Marjolijn Hiemstra's NPI (1659073161) is active in the NPPES registry as of the last update on 2026-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.