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DR. WILLIAM EDWARD GIBSON IV M.D.
NPI 1811250095
Pathology - Clinical Pathology/Laboratory Medicine in Madison, WI

Active since June 21, 2012PECOS EnrolledAccepts Medicare Assignment
600 HIGHLAND AVE, MADISON, WI 53792(608) 263-8443(608) 262-7174 Get Directions Write a Review

NPPES record last updated: August 27, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 5, 2025, May 5, 2020, Jun 22, 2016 (3 updates tracked since 2016).

About Dr. William Edward Gibson Iv M.d. NPPES

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

DR. WILLIAM EDWARD GIBSON IV M.D. (NPI 1811250095) is an individual clinical pathology/laboratory medicine provider in Madison, Wisconsin, licensed in Wisconsin (85731) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2012).

NPPES Registry Identity

NPI1811250095
Entity TypeIndividualMale
Primary Taxonomy207ZP0105X
Provider Legal NameDR. WILLIAM EDWARD GIBSON IVCredential: M.D.
Location Address600 HIGHLAND AVEMadison, WI 53792-4702
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Phone(608) 263-8443
Fax(608) 262-7174
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2012
Enumeration DateJune 21, 2012
Last NPPES UpdateAugust 27, 20253 updates tracked since enumeration
NPPES CertifiedAugust 27, 2025
✔ NPI 1811250095 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0105X
License✔ Licensed in WI · 85731
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X · License 67187 (MN), 125061499 (IL)
600 HIGHLAND AVE, Madison, WI 53792
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Group Health Cooperative-SCW.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William Edward Gibson Iv M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1658674031
PECOS Enrollment IDI20250606000692
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.

Medicare Billing Reassignments

3

Medicare enrollment records show William Gibson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Wisconsin Medical Foundation, Inc
5.0 mi
Multi-Specialty
7974 UW HEALTH COURT
Middleton, WI 53562
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,832 clinicians in this Medicare group
NPI 1598784555 (608) 829-5485
Group Health, Inc.
217 mi
Family Medicine
921 GREELEY STREET
Stillwater, MN 55082
  • Reassigned Medicare billing, Minnesota enrollment
  • 2,274 clinicians in this Medicare group
NPI 1578932943 (651) 439-1234
Park Nicollet Clinic
232 mi
Family Medicine
1000 NICOLLET MALL, TPS 260
Minneapolis, MN 55403
  • Reassigned Medicare billing, Minnesota enrollment
  • 2,527 clinicians in this Medicare group
NPI 1912315144 (952) 977-0700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Wi Hospitals & Clinics Authority

Acute Care Hospitals · Madison, WI
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number520098
Location600 Highland AvenueMadison, WI 53792 · Dane County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53792 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
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.

JASON ALAN CHRISTENSEN PHARMD
Pharmacist
600 HIGHLAND AVE, COMPLIANCE MAIL CODE 2433
MADISON, WI 53792
Dane County (608) 662-0817
LAURA JEAN KOPPLIN MD, PHD
Ophthalmology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-6070
HAGGI MAZEH MD
Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 265-8072
DR. SWAPNIL SUNIL LANJEWAR M.D.
Internal Medicine (Infectious Disease)
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-0946
DR. MATTHEW JAMES HOYT M.D.
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8100
VANESSA MERCEDES WELTEN MD MPH
Transplant Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (617) 732-5500
JOHN HENRY NORMAN HARRISON
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8100
PIPPA FROUKTE COSPER MD
Radiology (Radiation Oncology)
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8500

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 William Gibson's NPI number?

The NPI number for William Gibson is 1811250095. It was assigned to this individual provider in the NPPES registry on June 21, 2012.

Where is William Gibson located?

William Gibson practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-8443.

What is William Gibson's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Is William Gibson enrolled in Medicare?

Yes. William Gibson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for William Gibson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Gibson reassigns Medicare benefits to 3 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI), Group Health, Inc. (Stillwater, MN) and Park Nicollet Clinic (Minneapolis, MN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Gibson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Gibson accept?

Health plans from Group Health Cooperative-SCW list William Gibson 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.

Is William Gibson affiliated with any hospitals?

According to CMS data, William Gibson is affiliated with University Of Wi Hospitals & Clinics Authority.

When was this NPI record last updated?

The NPPES record for William Gibson was last updated on August 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.