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RACHEL TARA JOY GRONAU MD
NPI 1326227323
Family Medicine in Delavan, WI

Active since October 26, 2007PECOS EnrolledAccepts Medicare Assignment
1038 E GENEVA ST, DELAVAN, WI 53115(262) 740-0681(262) 740-0776 Get Directions Write a Review

NPPES record last updated: June 14, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Rachel Tara Joy Gronau Md NPPES

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

RACHEL TARA JOY GRONAU MD (NPI 1326227323) is an individual family medicine provider in Delavan, Wisconsin, licensed in Wisconsin (50149) and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS, is affiliated with Mercy Health System Corp, and is a graduate of Medical College Of Wisconsin (2005).

NPPES Registry Identity

NPI1326227323
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameRACHEL TARA JOY GRONAUCredential: MD
Location Address1038 E GENEVA STDelavan, WI 53115-1921
Mailing Address1038 E Geneva StDelavan, WI 53115-1921 · (262) 740-0681 · Fax (262) 740-0776
Phone(262) 740-0681
Fax(262) 740-0776
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2005
Enumeration DateOctober 26, 2007
Last NPPES UpdateJune 14, 2010
✔ NPI 1326227323 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 · 50149
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.
1038 E GENEVA ST, Delavan, WI 53115
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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, MercyCare Health Plans.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

Rachel Tara Joy Gronau 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 ID3971679515
PECOS Enrollment IDI20080905000443
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 8

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
453 services294 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
250 services250 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
122 services101 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
72 services67 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
27 services24 patients
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438
An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.
21 services21 patients

Hospital Affiliations CMS Care Compare 2

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

Mercy Health System Corp

Acute Care Hospitals · Janesville, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520066
Location1000 Mineral Point AveJanesville, WI 53548 · Rock County
Emergency services Birthing friendly

Mercy Walworth Hospital & Medical Center

Critical Access Hospitals · Lake Geneva, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number521357
LocationN2950 State Road 67Lake Geneva, WI 53147 · Walworth County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53115 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.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
11 suppliers55 claims144 services$5.96 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
10 suppliers39 claims47 services$0.94 avg. paid by Medicare
Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351
DME-Orthotic Devices · category DF008N
1 supplier11 claims2,172 services$1.75 avg. paid by Medicare
Foam dressing, wound cover, sterile, pad size 16 sq. in. or less, with any size adhesive border, each dressing A6212
DME-Medical/Surgical Supplies · category DA023N
1 supplier11 claims465 services$8.62 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers44 claims44 services$107.99 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier28 claims28 services$34.14 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MERCY HEALTH SYSTEM CORPORATION
Clinic/Center (Rural Health)
1038 E GENEVA ST
DELAVAN, WI 53115
Walworth County (262) 728-4301
MERCY HEALTH SYSTEM CORPORATION
Durable Medical Equipment & Medical Supplies
1038 E GENEVA ST
DELAVAN, WI 53115
Walworth County (608) 756-6000
LISA A WANG APRN, FNP
Nurse Practitioner (Family)
1038 E GENEVA ST
DELAVAN, WI 53115
Walworth County (262) 728-4301

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 Rachel Gronau's NPI number?

The NPI number for Rachel Gronau is 1326227323. It was assigned to this individual provider in the NPPES registry on October 26, 2007.

Where is Rachel Gronau located?

Rachel Gronau practices at 1038 E Geneva St, Delavan, WI 53115. The listed phone number is (262) 740-0681.

What is Rachel Gronau's specialty?

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

Is Rachel Gronau enrolled in Medicare?

Yes. Rachel Gronau 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 Rachel Gronau accept?

Health plans from Anthem Blue Cross and Blue Shield and MercyCare Health Plans list Rachel Gronau 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 Rachel Gronau affiliated with any hospitals?

According to CMS data, Rachel Gronau is affiliated with Mercy Health System Corp and Mercy Walworth Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Rachel Gronau was last updated on June 14, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.