Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JEFFREY LAWRENCE WINNICKI DDS
NPI 1942248752
Dentist - General Practice in Lafayette, CO

Q: What is Jeffrey Winnicki's NPI number?

The NPI number for Jeffrey Winnicki is 1942248752. It was assigned to this individual provider in the NPPES registry on June 3, 2006.

Q: What is Jeffrey Winnicki's specialty?

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

Q: Is Jeffrey Winnicki enrolled in Medicare?

No. Jeffrey Winnicki has opted out of Medicare through April 20, 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 Jeffrey Winnicki was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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 June 03, 2006Opted out of Medicare · through Apr 20, 2028

297 US HIGHWAY 287, SUITE 104, LAFAYETTE, CO 80026(303) 665-8321(303) 665-8293 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Jeffrey Lawrence Winnicki Dds NPPES

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

DR. JEFFREY LAWRENCE WINNICKI DDS (NPI 1942248752) is an individual general practice provider in Lafayette, Colorado, licensed in Colorado (8839) and active in the NPI registry since June 2006. He has opted out of Medicare through April 20, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1942248752

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. JEFFREY LAWRENCE WINNICKICredential: DDS

Location Address297 US HIGHWAY 287, SUITE 104Lafayette, CO 80026-8932

Mailing Address3427 W 22nd AveDenver, CO 80211-5019 · (303) 596-2913 · Fax (303) 665-8293

Phone(303) 665-8321

Fax(303) 665-8293

Sole ProprietorNo

Enumeration DateJune 3, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1942248752 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in CO · 8839

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.

297 US HIGHWAY 287, Lafayette, CO 80026

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Humana.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. Jeffrey Lawrence Winnicki 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 April 20, 2016 through April 20, 2028.

Opt-Out Effective DateApril 20, 2016

Opt-Out In Effect ThroughApril 20, 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 80026 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

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

Established Patient

$72.20 typical visit price

range $18.88 – $142.79

Typical copayment $18.05 (range $4.72 – $35.69)

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 Jeffrey Winnicki's NPI number?

The NPI number for Jeffrey Winnicki is 1942248752. It was assigned to this individual provider in the NPPES registry on June 3, 2006.

Where is Jeffrey Winnicki located?

Jeffrey Winnicki practices at 297 Us Highway 287 Suite 104, Lafayette, CO 80026. The listed phone number is (303) 665-8321.

What is Jeffrey Winnicki's specialty?

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

Is Jeffrey Winnicki enrolled in Medicare?

No. Jeffrey Winnicki has opted out of Medicare through April 20, 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.

What insurance does Jeffrey Winnicki accept?

Health plans from Humana list Jeffrey Winnicki 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 Jeffrey Winnicki was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.