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DR. TILMER O. ENGEBRETSON PH.D.
NPI 1780869149
Psychologist - Clinical in Mc Lean, VA

Active since January 04, 2008Opted out of Medicare · through Jul 1, 2027
7927 JONES BRANCH DR, SUITE #6125, MC LEAN, VA 22102(571) 633-0600(703) 992-0993 Get Directions Write a Review

NPPES record last updated: January 21, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Tilmer O. Engebretson Ph.d. NPPES

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

DR. TILMER O. ENGEBRETSON PH.D. (NPI 1780869149) is an individual clinical provider in Mc Lean, Virginia, licensed in Virginia (0810003165) and active in the NPI registry since January 2008. He has opted out of Medicare through July 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1780869149
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. TILMER O. ENGEBRETSONCredential: PH.D.
Location Address7927 JONES BRANCH DR, SUITE #6125Mc Lean, VA 22102-3322
Mailing Address7927 Jones Branch Dr, Suite #6125Mc Lean, VA 22102-3322 · (571) 633-0600 · Fax (703) 992-0993
Phone(571) 633-0600
Fax(703) 992-0993
Sole ProprietorYes
Enumeration DateJanuary 4, 2008
Last NPPES UpdateJanuary 21, 2015
✔ NPI 1780869149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in VA · 0810003165
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
Also ListedPsychologist · Cognitive & BehavioralTaxonomy 103TB0200X · License 0810003165 (VA)
Also ListedPsychologist · HealthTaxonomy 103TH0004X · License 0810003165 (VA)
7927 JONES BRANCH DR, Mc Lean, VA 22102
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Tilmer O. Engebretson Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2017 through July 1, 2027.

Opt-Out Effective DateJuly 1, 2017
Opt-Out In Effect ThroughJuly 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22102 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
$194.86 typical visit price
range $65.18 – $194.86
Typical copayment $48.71 (range $16.29 – $48.71)
Most-billed visit code 99205
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
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 4

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

DR. ROBIN S. HAIGHT PSY.D.
Psychologist (Clinical)
7927 JONES BRANCH DR, SUITE 6125
TYSONS CORNER, VA 22102
Fairfax County (703) 349-1161
DR. JILL PARKS WEBER PH.D.
Psychologist (Clinical)
7927 JONES BRANCH DR, SUITE: 6125
MC LEAN, VA 22102
Fairfax County (703) 541-1277
STRATEGIC RESOURCES, INC.
In Home Supportive Care
7927 JONES BRANCH DR, SUITE 600W
MC LEAN, VA 22102
Fairfax County (703) 749-3040
ENGEBRETSON PSYCHOLOGY, LLC
Psychologist (Clinical)
7927 JONES BRANCH DR, SUITE #6125
MC LEAN, VA 22102
Fairfax County (571) 633-0600

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 Tilmer Engebretson's NPI number?

The NPI number for Tilmer Engebretson is 1780869149. It was assigned to this individual provider in the NPPES registry on January 4, 2008.

Where is Tilmer Engebretson located?

Tilmer Engebretson practices at 7927 Jones Branch Dr Suite #6125, Mc Lean, VA 22102. The listed phone number is (571) 633-0600.

What is Tilmer Engebretson's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Tilmer Engebretson enrolled in Medicare?

No. Tilmer Engebretson has opted out of Medicare through July 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Tilmer Engebretson was last updated on January 21, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.