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SHAWN S WILLIAMSON M.D.
NPI 1386808319
Emergency Medicine in New London, WI

Active since July 18, 2008PECOS Enrolled
1405 MILL ST, NEW LONDON, WI 54961(920) 531-2021 Get Directions Write a Review

NPPES record last updated: June 21, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Shawn S Williamson M.d. NPPES

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

SHAWN S WILLIAMSON M.D. (NPI 1386808319) is an individual emergency medicine provider in New London, Wisconsin, licensed in Wisconsin (53739-20) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS and maintains a secondary practice location in Appleton.

NPPES Registry Identity

NPI1386808319
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameSHAWN S WILLIAMSONCredential: M.D.
Location Address1405 MILL STNew London, WI 54961-2155
Mailing Address3 Neenah CtrNeenah, WI 54956-3070 · (920) 531-2021
Phone(920) 531-2021
Sole ProprietorNo
Enumeration DateJuly 18, 2008
Last NPPES UpdateJune 21, 2022
NPPES CertifiedJune 21, 2022
✔ NPI 1386808319 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in WI · 53739-20
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1405 MILL ST, New London, WI 54961
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Secondary Practice Location 1

Location 11506 South Oneida Streetappleton, WI 54915 · Phone (920) 738-2000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).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)

Shawn S Williamson M.d. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54961 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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 20

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

SIERRA RENEE KACZOCHA
Physical Therapist
1405 MILL ST
NEW LONDON, WI 54961
Waupaca County (920) 531-2031
MRS. AMANDA KAY DOUMA APNP
Nurse Practitioner (Family)
1405 MILL ST
NEW LONDON, WI 54961
Waupaca County (920) 531-2021
NATALIE G GAUTHIER APNP
Nurse Practitioner
1405 MILL ST
NEW LONDON, WI 54961
Waupaca County (920) 531-2400
COURTNEY NICOLE GARCIA PT
Physical Therapist
1405 MILL ST
NEW LONDON, WI 54961
Waupaca County (920) 531-2000
MRS. KIMBERLY ILEANA JACOBS OTR
Occupational Therapist
1405 MILL ST
NEW LONDON, WI 54961
Waupaca County (920) 531-2031
THEDACARE MEDICAL CENTER - NEW LONDON, INC.
Anesthesiology
1405 MILL ST
NEW LONDON, WI 54961
Waupaca County (920) 531-2092
MRS. JAYME M CWIK PTA
Physical Therapy Assistant
1405 MILL ST
NEW LONDON, WI 54961
Waupaca County (888) 982-3550
DR. JAMES MICHAEL DOOLIN RPH
Pharmacist
1405 MILL ST
NEW LONDON, WI 54961
Waupaca County (920) 531-2400

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 Shawn Williamson's NPI number?

The NPI number for Shawn Williamson is 1386808319. It was assigned to this individual provider in the NPPES registry on July 18, 2008.

Where is Shawn Williamson located?

Shawn Williamson practices at 1405 Mill St, New London, WI 54961. The listed phone number is (920) 531-2021.

What is Shawn Williamson's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Shawn Williamson enrolled in Medicare?

Yes. Shawn Williamson is registered in the Medicare PECOS enrollment system.

What insurance does Shawn Williamson accept?

Health plans from CareSource (Common Ground Healthcare) list Shawn Williamson 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 Shawn Williamson was last updated on June 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.