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

MARIO JON GIACOBASSI MD
NPI 1821783218
Family Medicine in Madison, WI

Q: What is Mario Giacobassi's NPI number?

The NPI number for Mario Giacobassi is 1821783218. It was assigned to this individual provider in the NPPES registry on April 10, 2023.

Q: What is Mario Giacobassi's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Mario Giacobassi was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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 April 10, 2023PECOS Enrolled

5618 ODANA RD, MADISON, WI 53719(608) 274-1100 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 3, 2026, Apr 10, 2023 (2 updates tracked since 2023).

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About Mario Jon Giacobassi Md NPPES

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

MARIO JON GIACOBASSI MD (NPI 1821783218) is an individual family medicine provider in Madison, Wisconsin, licensed in Wisconsin (85103-20) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS and maintains a secondary practice location in Madison.

NPPES Registry Identity

NPI1821783218

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameMARIO JON GIACOBASSICredential: MD

Location Address5618 ODANA RDMadison, WI 53719-1208

Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531

Phone(608) 274-1100

Sole ProprietorNo

Enumeration DateApril 10, 2023

Last NPPES UpdateSeptember 3, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 3, 2026

✔ NPI 1821783218 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in WI · 85103-20

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

5618 ODANA RD, Madison, WI 53719

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Secondary Practice Location 1

Location 11102 S Park StMadison, WI 53715-1708 · Phone (608) 263-3111 · Fax (608) 263-6663

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mario Jon Giacobassi Md 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 53719 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.

BRITTANY SIMPSON NP

Nurse Practitioner