Mrs Sara Gretenhart, APNP - Medicare Nurse Practitioner in Cudahy, WI

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Mrs Sara Gretenhart, APNP is a medicare enrolled "Nurse Practitioner - Family" in Cudahy, Wisconsin. Her current practice location is 3108 E Hammond Ave, Cudahy, Wisconsin. You can reach out to her office (for appointments etc.) via phone at (414) 722-2947.

Mrs Sara Gretenhart is licensed to practice in Wisconsin (license number 8850-33) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1821556317.

Contact Information

Mrs Sara Gretenhart, APNP
3108 E Hammond Ave,
Cudahy, WI 53110-1811
(414) 722-2947
Not Available

Map and Direction




Provider's Profile

Full NameMrs Sara Gretenhart
GenderFemale
SpecialityNurse Practitioner - Family
Location3108 E Hammond Ave, Cudahy, Wisconsin
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1821556317
  • Provider Enumeration Date: 03/04/2019
  • Last Update Date: 03/04/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 3375878895
  • Enrollment ID: I20190703003047

Medical Identifiers

Medical identifiers for Mrs Sara Gretenhart such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1821556317NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 8850-33 (Wisconsin)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mrs Sara Gretenhart allows following entities to bill medicare on her behalf.
Entity NameUrology Associates Ltd Sc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316035637
PECOS PAC ID: 0143298919
Enrollment ID: O20040920000672
Entity NamePic Wisconsin Sc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124678354
PECOS PAC ID: 4082046362
Enrollment ID: O20191108000055

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mrs Sara Gretenhart is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mrs Sara Gretenhart, APNP
3108 E Hammond Ave,
Cudahy, WI 53110-1811

Ph: (414) 722-2947		Mrs Sara Gretenhart, APNP
3108 E Hammond Ave,
Cudahy, WI 53110-1811

Ph: (414) 722-2947

Reviews and Comments


Nurse Practitioner Nurses in Cudahy, WI

Brienn Murray, FNP
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Practice Location: 5900 S Lake Dr, Cudahy, WI 53110
Phone: 414-489-9000    
Asia Ann Gomez, NP
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Practice Location: 2816 E Allison Ave, Cudahy, WI 53110
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Amanda Fischer, NP
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Medicare: Accepting Medicare Assignments
Practice Location: 5900 S Lake Dr Lowr Level, Cudahy, WI 53110
Phone: 414-744-4000    Fax: 414-489-4022
Lena G Podolsky, NP
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Medicare: Not Enrolled in Medicare
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Phone: 414-489-4183    Fax: 414-489-4582
Kathryn Merkel, APNP
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Medicare: Not Enrolled in Medicare
Practice Location: 5900 S Lake Dr, Cudahy, WI 53110
Phone: 414-744-4000    
Kimberly J Gehrig, APNP, FNP-BC
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Medicare: Medicare Enrolled
Practice Location: 5900 S Lake Dr, Cudahy, WI 53110
Phone: 414-489-4190    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.