DR. STEPHAN ANTONIUS KOHNEN D.M.D.
NPI 1154681385
Dentist - Periodontics in Menifee, CA

Active since May 22, 2012Opted out of Medicare · through Dec 12, 2026
27757 ASPEL RD APT 923, MENIFEE, CA 92585(832) 514-5578 Get Directions Write a Review

NPPES record last updated: September 29, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Stephan Antonius Kohnen D.m.d. NPPES

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

DR. STEPHAN ANTONIUS KOHNEN D.M.D. (NPI 1154681385) is an individual periodontics provider in Menifee, California, licensed in California (DDS107483) and active in the NPI registry since May 2012. He has opted out of Medicare through December 12, 2026.

NPPES Registry Identity

NPI1154681385
Entity TypeIndividualMale
Primary Taxonomy1223P0300X
Provider Legal NameDR. STEPHAN ANTONIUS KOHNENCredential: D.M.D.
Location Address27757 ASPEL RD APT 923Menifee, CA 92585-7707
Mailing Address27757 Aspel Rd Apt 923Menifee, CA 92585-7707 · (832) 514-5578
Sole ProprietorYes
Enumeration DateMay 22, 2012
Last NPPES UpdateSeptember 29, 2023
NPPES CertifiedSeptember 29, 2023
NPI 1154681385 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · PeriodonticsDental Providers
Taxonomy Code1223P0300X
Licenses Licensed in CA · DDS107483 Licensed in TX · 22471
Definition
That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.
27757 ASPEL RD APT 923, Menifee, CA 92585

Accepted Insurance

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. Stephan Antonius Kohnen D.m.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 December 12, 2022 through December 12, 2026.

Opt-Out Effective DateDecember 12, 2022
Opt-Out In Effect ThroughDecember 12, 2026Opt-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 92585 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
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 Stephan Kohnen's NPI number?

The NPI number for Stephan Kohnen is 1154681385. It was assigned to this individual provider in the NPPES registry on May 22, 2012.

Where is Stephan Kohnen located?

Stephan Kohnen practices at 27757 Aspel Rd Apt 923, Menifee, CA 92585. The listed phone number is (832) 514-5578.

What is Stephan Kohnen's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

Is Stephan Kohnen enrolled in Medicare?

No. Stephan Kohnen has opted out of Medicare through December 12, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does Stephan Kohnen accept?

Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 7 other insurers list Stephan Kohnen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Stephan Kohnen was last updated on September 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.