1. Home
  2. Directory
  3. Wisconsin
  4. Lake Geneva
  5. Emergency Medicine
  6. NPI Profile

JOSEPH S BRANTMAN M.D.
NPI 1982090676
Emergency Medicine in Lake Geneva, WI

Active since April 09, 2015PECOS EnrolledAccepts Medicare Assignment
MERCY WALWORTH MEDICAL CENTER, N2950 HWY 67, LAKE GENEVA, WI 53147(262) 245-2230 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 7, 2026, Aug 5, 2025, Oct 6, 2023 and 5 more (8 updates tracked since 2017).

About Joseph S Brantman M.d. NPPES

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

JOSEPH S BRANTMAN M.D. (NPI 1982090676) is an individual emergency medicine provider in Lake Geneva, Wisconsin, licensed in Wisconsin (67362) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1982090676
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJOSEPH S BRANTMANCredential: M.D.
Location AddressMERCY WALWORTH MEDICAL CENTER, N2950 HWY 67Lake Geneva, WI 53147-2655
Mailing AddressMercy Walworth Medical Center, N2950 Hwy 67Lake Geneva, WI 53147-2655 · (262) 245-2230
Phone(262) 245-2230
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateApril 9, 2015
Last NPPES UpdateJanuary 7, 20268 updates tracked since enumeration
NPPES CertifiedJanuary 7, 2026
✔ NPI 1982090676 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 · 67362
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.
MERCY WALWORTH MEDICAL CENTER, Lake Geneva, WI 53147
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1Marshfield Clinic, 1000 N Oak AvenueMarshfield, WI 54449 · Phone (153) 875-5117
Location 2800 Riverside DrWaupaca, WI 54981-1943 · Phone (715) 258-1000 · Fax (715) 258-1042

Other Identifiers 1

Medicaid100047345WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare), Medica, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Joseph S Brantman 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 ID749594018
PECOS Enrollment IDI20180716001299
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
94 services92 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
43 services41 patients

Hospital Affiliations CMS Care Compare 5

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

Marshfield Medical Center

Acute Care Hospitals · Marshfield, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520037
Location611 St Joseph AveMarshfield, WI 54449 · Wood County
Emergency services Birthing friendly

Aurora Medical Center Kenosha

Acute Care Hospitals · Kenosha, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520189
Location10400 75th StKenosha, WI 53142 · Kenosha County
Emergency services Birthing friendly

Marshfield Medical Center - Weston

Acute Care Hospitals · Weston, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520202
Location3400 Ministry ParkwayWeston, WI 54476 · Marathon County
Emergency services Birthing friendly

Thedacare Medical Center-Waupaca

Critical Access Hospitals · Waupaca, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521334
Location800 Riverside DriveWaupaca, WI 54981 · Waupaca County
Emergency services Birthing friendly

Thedacare Medical Center - Shawano

Critical Access Hospitals · Shawano, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521346
Location100 County Rd BShawano, WI 54166 · Shawano County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53147 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.

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 Joseph Brantman's NPI number?

The NPI number for Joseph Brantman is 1982090676. It was assigned to this individual provider in the NPPES registry on April 9, 2015.

Where is Joseph Brantman located?

Joseph Brantman practices at Mercy Walworth Medical Center N2950 Hwy 67, Lake Geneva, WI 53147. The listed phone number is (262) 245-2230.

What is Joseph Brantman's specialty?

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

Is Joseph Brantman enrolled in Medicare?

Yes. Joseph Brantman 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.

What insurance does Joseph Brantman accept?

Health plans from CareSource (Common Ground Healthcare), Medica and Sanford Health Plan list Joseph Brantman 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 Joseph Brantman affiliated with any hospitals?

According to CMS data, Joseph Brantman is affiliated with Marshfield Medical Center, Aurora Medical Center Kenosha, Marshfield Medical Center - Weston, Thedacare Medical Center-Waupaca and Thedacare Medical Center - Shawano.

When was this NPI record last updated?

The NPPES record for Joseph Brantman was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.