ROBERT ALLEN DIERKER II
NPI 1952260432
Counselor - Mental Health in Falls Church, VA

Q: What is Robert Dierker's NPI number?

The NPI number for Robert Dierker is 1952260432. It was assigned to this individual provider in the NPPES registry on January 20, 2026.

Q: What is Robert Dierker's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Robert Dierker was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since January 20, 2026

5691 COLUMBIA PIKE STE 200, FALLS CHURCH, VA 22041(703) 998-5606(703) 998-5608 Get Directions Write a Review

NPPES record last updated: January 20, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Robert Allen Dierker Ii NPPES

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

ROBERT ALLEN DIERKER II (NPI 1952260432) is an individual mental health provider in Falls Church, Virginia, licensed in Virginia (0704016142) and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1952260432

Entity TypeIndividualMale

Primary Taxonomy101YM0800X

Provider Legal NameROBERT ALLEN DIERKER II

Location Address5691 COLUMBIA PIKE STE 200Falls Church, VA 22041-2888

Mailing Address12429 Petrel XingMidlothian, VA 23112-2954 · (703) 402-6526 · Fax (703) 852-3495

Phone(703) 998-5606

Fax(703) 998-5608

Sole ProprietorYes

Enumeration DateJanuary 20, 2026

NPPES CertifiedJanuary 20, 2026

✔ NPI 1952260432 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in VA · 0704016142

5691 COLUMBIA PIKE STE 200, Falls Church, VA 22041

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 4

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

JOHNATHAN DUFF PHD

Psychologist

5691 COLUMBIA PIKE STE 200
FALLS CHURCH, VA 22041

Fairfax County (703) 998-5606

TESSA VICTORIA RUBY SMITH MA

Psychologist (Clinical)

5691 COLUMBIA PIKE STE 200
FALLS CHURCH, VA 22041

Fairfax County (240) 583-0529

DANIEL ROEFARO PSYD

Psychologist (Clinical)

5691 COLUMBIA PIKE STE 200
FALLS CHURCH, VA 22041

Fairfax County (703) 998-5606

EMILY GEORGE

Psychologist (Clinical)

5691 COLUMBIA PIKE STE 200
FALLS CHURCH, VA 22041

Fairfax County (703) 998-5606

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 Robert Dierker's NPI number?

The NPI number for Robert Dierker is 1952260432. It was assigned to this individual provider in the NPPES registry on January 20, 2026.

Where is Robert Dierker located?

Robert Dierker practices at 5691 Columbia Pike Ste 200, Falls Church, VA 22041. The listed phone number is (703) 998-5606.

What is Robert Dierker's specialty?

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

When was this NPI record last updated?

The NPPES record for Robert Dierker was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.