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

LESLEE C TIMM DDS
NPI 1386782324
Oral & Maxillofacial Surgery in Onalaska, WI

Active since February 02, 2007PECOS Enrolled
2819 NATIONAL DR STE A, ONALASKA, WI 54650(608) 782-8193(608) 782-8193 Get Directions Write a Review

NPPES record last updated: October 7, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Oct 7, 2026, Mar 4, 2019 (2 updates tracked since 2019).

About Leslee C Timm Dds NPPES

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

LESLEE C TIMM DDS (NPI 1386782324) is an individual oral & maxillofacial surgery provider in Onalaska, Wisconsin, licensed in Wisconsin (6076) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1386782324
Entity TypeIndividualMale
Primary Taxonomy204E00000X
Provider Legal NameLESLEE C TIMMCredential: DDS
Location Address2819 NATIONAL DR STE AOnalaska, WI 54650-6703
Mailing Address2819 National DrOnalaska, WI 54650-6703 · (608) 782-8193 · Fax (608) 782-4517
Phone(608) 782-8193
Fax(608) 782-8193
Sole ProprietorNo
Enumeration DateFebruary 2, 2007
Last NPPES UpdateOctober 7, 20262 updates tracked since enumeration
NPPES CertifiedOctober 7, 2026
✔ NPI 1386782324 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyOral & Maxillofacial SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code204E00000X
License✔ Licensed in WI · 6076
Definition
Oral and maxillofacial surgeons are trained to recognize and treat a wide spectrum of diseases, injuries and defects in the head, neck, face, jaws and the hard and soft tissues of the oral and maxillofacial region. They are also trained to administer anesthesia, and provide care in an office setting. They are trained to treat problems such as the extraction of wisdom teeth, misaligned jaws, tumors and cysts of the jaw and mouth, and to perform dental implant surgery.
Also ListedDentist · ProsthodonticsTaxonomy 1223P0700X · License 6076 (WI)
Also ListedDentist · Oral and Maxillofacial SurgeryTaxonomy 1223S0112X · License 6076 (WI)
2819 NATIONAL DR STE A, Onalaska, WI 54650
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Delta Dental of Wisconsin, Inc., Quartz and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leslee C Timm Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES

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

DR. ADAM SORENSON DDS
Oral & Maxillofacial Surgery
2819 NATIONAL DR STE A
ONALASKA, WI 54650
La Crosse County (608) 782-8193

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 Leslee Timm's NPI number?

The NPI number for Leslee Timm is 1386782324. It was assigned to this individual provider in the NPPES registry on February 2, 2007.

Where is Leslee Timm located?

Leslee Timm practices at 2819 National Dr Ste A, Onalaska, WI 54650. The listed phone number is (608) 782-8193.

What is Leslee Timm's specialty?

The primary specialty registered for this NPI is Oral & Maxillofacial Surgery with taxonomy code 204E00000X.

Is Leslee Timm enrolled in Medicare?

Yes. Leslee Timm is registered in the Medicare PECOS enrollment system.

What insurance does Leslee Timm accept?

Health plans from Anthem Blue Cross and Blue Shield, Delta Dental of Wisconsin, Inc., Quartz and Security Health Plan list Leslee Timm 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 Leslee Timm was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.