1. Home
  2. Directory
  3. Wisconsin
  4. Cudahy
  5. Nurse Practitioner
  6. NPI Profile

MRS. SARA GRETENHART APNP
NPI 1821556317
Nurse Practitioner - Family in Cudahy, WI

Active since March 04, 2019PECOS Enrolled
3108 E HAMMOND AVE, CUDAHY, WI 53110(414) 722-2947 Get Directions Write a Review

NPPES record last updated: March 4, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mrs. Sara Gretenhart Apnp NPPES

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

MRS. SARA GRETENHART APNP (NPI 1821556317) is an individual family provider in Cudahy, Wisconsin, licensed in Wisconsin (8850-33) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821556317
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. SARA GRETENHARTCredential: APNP
Location Address3108 E HAMMOND AVECudahy, WI 53110-1811
Mailing Address3108 E Hammond AveCudahy, WI 53110-1811 · (414) 722-2947
Phone(414) 722-2947
Sole ProprietorYes
Enumeration DateMarch 4, 2019
✔ NPI 1821556317 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in WI · 8850-33
3108 E HAMMOND AVE, Cudahy, WI 53110
Open in Google Maps ↗

Other Names 1

Former Name (1)Ms. Sara Bartoshevich

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Sara Gretenhart Apnp 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.

Areas of Expertise CMS Part B claims 6

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.

New patient office or other outpatient visit, 30-44 minutes 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
72 services72 patients
2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc U0002
This refers to a test for COVID-19, caused by the SARS-CoV-2 virus. The test identifies multiple types or subtypes of the virus, including all targets. It's not specifically based on the CDC's testing protocol. It helps determine if you're currently infected with the virus.
50 services48 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
45 services43 patients
Established patient office or other outpatient visit, 20-29 minutes 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.
27 services24 patients
New patient office or other outpatient visit, 15-29 minutes 99202
This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.
20 services20 patients
Detection test by nucleic acid for multiple types influenza virus 87502
A detection test by nucleic acid for multiple types of influenza virus is a diagnostic procedure. It identifies the genetic material of the virus in your body. It's highly accurate and can distinguish between different flu strains, helping in prompt and precise treatment.
18 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53110 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 Sara Gretenhart's NPI number?

The NPI number for Sara Gretenhart is 1821556317. It was assigned to this individual provider in the NPPES registry on March 4, 2019. The provider is also known as Ms. Sara Bartoshevich.

Where is Sara Gretenhart located?

Sara Gretenhart practices at 3108 E Hammond Ave, Cudahy, WI 53110. The listed phone number is (414) 722-2947.

What is Sara Gretenhart's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Sara Gretenhart enrolled in Medicare?

Yes. Sara Gretenhart is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sara Gretenhart was last updated on March 4, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.