JOCELYN ZAJAC MD
NPI 1558823575
Surgery in Madison, WI

Active since April 01, 2019PECOS EnrolledAccepts Medicare Assignment
600 HIGHLAND AVE, MADISON, WI 53792(608) 263-6400 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 29, 2026, Apr 1, 2019 (2 updates tracked since 2019).

About Jocelyn Zajac Md NPPES

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

JOCELYN ZAJAC MD (NPI 1558823575) is an individual surgery provider in Madison, Wisconsin, licensed in Wisconsin (76585-20) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (2019).

NPPES Registry Identity

NPI1558823575
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameJOCELYN ZAJACCredential: MD
Location Address600 HIGHLAND AVEMadison, WI 53792-0001
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2019
Enumeration DateApril 1, 2019
Last NPPES UpdateJuly 29, 20262 updates tracked since enumeration
NPPES CertifiedJuly 29, 2026
✔ NPI 1558823575 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in WI · 76585-20
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
600 HIGHLAND AVE, Madison, WI 53792

Accepted 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

Jocelyn Zajac Md 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 ID4789919275
PECOS Enrollment IDI20260603003585
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 Reassignment

Medicare enrollment records show Jocelyn Zajac reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
750 HIGHLAND AVE FL 4, HEALTH SCIENCES LEARNING CENTER
Madison, WI 53705
  • Reassigned Medicare billing, Wisconsin enrollment
  • 206 clinicians in this Medicare group

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

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
$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
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
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.

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.

Pharmacist
600 HIGHLAND AVE, COMPLIANCE MAIL CODE 2433
MADISON, WI 53792
Ophthalmology
600 HIGHLAND AVE
MADISON, WI 53792
Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Internal Medicine (Infectious Disease)
600 HIGHLAND AVE
MADISON, WI 53792
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Transplant Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Radiology (Radiation Oncology)
600 HIGHLAND AVE
MADISON, WI 53792

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 Jocelyn Zajac's NPI number?

The NPI number for Jocelyn Zajac is 1558823575. It was assigned to this individual provider in the NPPES registry on April 1, 2019.

Where is Jocelyn Zajac located?

Jocelyn Zajac practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-6400.

What is Jocelyn Zajac's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Jocelyn Zajac enrolled in Medicare?

Yes. Jocelyn Zajac 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 organization bills Medicare for Jocelyn Zajac's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jocelyn Zajac reassigns Medicare benefits to University Of Wisconsin System Non Payroll (Madison, WI). The 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 Jocelyn Zajac's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jocelyn Zajac accept?

Health plans from Anthem Blue Cross and Blue Shield list Jocelyn Zajac 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 Jocelyn Zajac was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.