MARY J KAO MD
NPI 1679927826
Obstetrics & Gynecology in Sheboygan, WI

Q: What is Mary Kao's NPI number?

The NPI number for Mary Kao is 1679927826. It was assigned to this individual provider in the NPPES registry on April 13, 2016.

Q: What is Mary Kao's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Kao was last updated on August 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since April 13, 2016PECOS EnrolledAccepts Medicare Assignment

3400 UNION AVE, SHEBOYGAN, WI 53081(920) 828-2400(920) 828-2425 Get Directions Write a Review

NPPES record last updated: August 21, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 21, 2023, Dec 2, 2021, Oct 21, 2020 and 2 more (5 updates tracked since 2016).

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About Mary J Kao Md NPPES

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

MARY J KAO MD (NPI 1679927826) is an individual obstetrics & gynecology provider in Sheboygan, Wisconsin, licensed in Wisconsin (68058) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Aurora Health Care Central Inc, and is a graduate of Warren Alpert Medical School Of Brown University (2016).

NPPES Registry Identity

NPI1679927826

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameMARY J KAOCredential: MD

Location Address3400 UNION AVESheboygan, WI 53081-8426

Mailing AddressPo Box 735044Chicago, IL 60673-5044

Phone(920) 828-2400

Fax(920) 828-2425

Sole ProprietorNo

Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 2016

Enumeration DateApril 13, 2016

Last NPPES UpdateAugust 21, 20235 updates tracked since enumeration

NPPES CertifiedAugust 21, 2023

✔ NPI 1679927826 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in WI · 68058

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Also ListedObstetrics & Gynecology · GynecologyTaxonomy 207VG0400X · License 6451-851 (WI)

Also ListedObstetrics & Gynecology · ObstetricsTaxonomy 207VX0000X · License 6451-851 (WI)

3400 UNION AVE, Sheboygan, WI 53081

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Other Identifiers 1

Medicaid100057482WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.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

Mary J Kao 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 ID5698067726

PECOS Enrollment IDI20200820001002

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 Mary Kao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Aurora Medical Group, Inc.

1.8 mi

Clinic/Center

2414 KOHLER MEMORIAL DR
Sheboygan, WI 53081

Reassigned Medicare billing, Wisconsin enrollment
4,609 clinicians in this Medicare group

NPI 1174670244 (920) 457-4461

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.

Aurora Health Care Central Inc

Acute Care Hospitals · Sheboygan, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520035

Location3400 Union AveSheboygan, WI 53081 · Sheboygan County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53081 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

$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.

LINDSEY KAY ROZEWICZ FNP-BC

Nurse Practitioner