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NICOLAI S GERHARTZ PA-C
NPI 1790188498
Physician Assistant in Kewaskum, WI

Active since October 08, 2014PECOS EnrolledAccepts Medicare Assignment
86.87/100
CMS Quality Rating
W832 COUNTY RD S, KEWASKUM, WI 53040(262) 384-0772 Get Directions Write a Review

NPPES record last updated: October 7, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 7, 2025, Feb 13, 2019 (2 updates tracked since 2019).

About Nicolai S Gerhartz Pa-c NPPES

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

NICOLAI S GERHARTZ PA-C (NPI 1790188498) is an individual physician assistant in Kewaskum, Wisconsin, licensed in Wisconsin (4605-23) and active in the NPI registry since October 2014. He is enrolled in Medicare PECOS, is affiliated with Aspirus Stevens Point Hospital & Clinics, Inc., and is a graduate of Other (2018).

NPPES Registry Identity

NPI1790188498
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameNICOLAI S GERHARTZCredential: PA-C
Location AddressW832 COUNTY RD SKewaskum, WI 53040-1116
Mailing Address2300 University Ave Apt 96Madison, WI 53726-3869
Phone(262) 384-0772
Sole ProprietorYes
Medical School CMSOtherGraduated 2018
Enumeration DateOctober 8, 2014
Last NPPES UpdateOctober 7, 20252 updates tracked since enumeration
NPPES CertifiedOctober 7, 2025
✔ NPI 1790188498 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in WI · 4605-23
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedNurse's AideTaxonomy 376K00000X · License 3633250 (WI)
W832 COUNTY RD S, Kewaskum, WI 53040
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Group Health Cooperative-SCW.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

Nicolai S Gerhartz Pa-c 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 ID4284976564
PECOS Enrollment IDI20190507002412
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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
177 services81 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
85 services83 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
21 services21 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
21 services21 patients

Hospital Affiliations CMS Care Compare 4

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

Aspirus Stevens Point Hospital & Clinics, Inc.

Acute Care Hospitals · Stevens Point, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520002
Location900 Illinois AveStevens Point, WI 54481 · Portage County
Emergency services Birthing friendly

Divine Savior Healthcare

Acute Care Hospitals · Portage, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520041
Location2817 New Pinery RoadPortage, WI 53901 · Columbia County
Emergency services

St Nicholas Hospital

Acute Care Hospitals · Sheboygan, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520044
Location3100 Superior AveSheboygan, WI 53081 · Sheboygan County
Emergency services Birthing friendly

Hshs St Clare Memorial Hospital

Critical Access Hospitals · Oconto Falls, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521310
Location855 S Main StOconto Falls, WI 54154 · Oconto County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53040 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.87/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality89.05
Promoting Interoperability100
Improvement Activities40
Cost63.39

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 Nicolai Gerhartz's NPI number?

The NPI number for Nicolai Gerhartz is 1790188498. It was assigned to this individual provider in the NPPES registry on October 8, 2014.

Where is Nicolai Gerhartz located?

Nicolai Gerhartz practices at W832 County Rd S, Kewaskum, WI 53040. The listed phone number is (262) 384-0772.

What is Nicolai Gerhartz's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Nicolai Gerhartz enrolled in Medicare?

Yes. Nicolai Gerhartz 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 Nicolai Gerhartz accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare) and Group Health Cooperative-SCW list Nicolai Gerhartz 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 Nicolai Gerhartz affiliated with any hospitals?

According to CMS data, Nicolai Gerhartz is affiliated with Aspirus Stevens Point Hospital & Clinics, Inc., Divine Savior Healthcare, St Nicholas Hospital and Hshs St Clare Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Nicolai Gerhartz was last updated on October 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.