DR. STEPHEN P FASSNACHT DDS
NPI 1194815399
Dentist - General Practice in Fairfax, VA

Q: What is Stephen Fassnacht's NPI number?

The NPI number for Stephen Fassnacht is 1194815399. It was assigned to this individual provider in the NPPES registry on October 16, 2006.

Q: What is Stephen Fassnacht's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: Is Stephen Fassnacht enrolled in Medicare?

No. Stephen Fassnacht has opted out of Medicare through March 15, 2028. 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.

Q: When was this NPI record last updated?

The NPPES record for Stephen Fassnacht was last updated on February 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since October 16, 2006Opted out of Medicare · through Mar 15, 2028

8500 EXECUTIVE PARK AVE STE 208, FAIRFAX, VA 22031(703) 400-3675 Get Directions Write a Review

NPPES record last updated: February 7, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Stephen P Fassnacht Dds NPPES

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

DR. STEPHEN P FASSNACHT DDS (NPI 1194815399) is an individual general practice provider in Fairfax, Virginia, licensed in Virginia (5338) and active in the NPI registry since October 2006. He has opted out of Medicare through March 15, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1194815399

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. STEPHEN P FASSNACHTCredential: DDS

Location Address8500 EXECUTIVE PARK AVE STE 208Fairfax, VA 22031-2253

Mailing Address10236 Faire Commons CtBurke, VA 22015-2857 · (703) 400-3675

Phone(703) 400-3675

Sole ProprietorNo

Enumeration DateOctober 16, 2006

Last NPPES UpdateFebruary 7, 2020

✔ NPI 1194815399 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in VA · 5338

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

8500 EXECUTIVE PARK AVE STE 208, Fairfax, VA 22031

Open in Google Maps ↗

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. Stephen P Fassnacht Dds 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 March 15, 2016 through March 15, 2028.

Opt-Out Effective DateMarch 15, 2016

Opt-Out In Effect ThroughMarch 15, 2028Opt-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 22031 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

$100.31 typical visit price

range $65.18 – $194.86

Typical copayment $25.07 (range $16.29 – $48.71)

Most-billed visit code 99203

Established Patient

$80.66 typical visit price

range $21.40 – $158.88

Typical copayment $20.16 (range $5.35 – $39.72)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Stephen Fassnacht's NPI number?

The NPI number for Stephen Fassnacht is 1194815399. It was assigned to this individual provider in the NPPES registry on October 16, 2006.

Where is Stephen Fassnacht located?

Stephen Fassnacht practices at 8500 Executive Park Ave Ste 208, Fairfax, VA 22031. The listed phone number is (703) 400-3675.

What is Stephen Fassnacht's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Stephen Fassnacht enrolled in Medicare?

No. Stephen Fassnacht has opted out of Medicare through March 15, 2028. 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 Stephen Fassnacht was last updated on February 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.