Tammy Johnsen, NP - Medicare Nurse Practitioner in Waukesha, WI

Tammy Johnsen, NP is a medicare enrolled "Nurse Practitioner" in Waukesha, Wisconsin. She graduated from nursing school in 2003 and has 21 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Prohealth Medical Group Inc and her current practice location is 721 American Ave Ste 403, Waukesha, Wisconsin. You can reach out to her office (for appointments etc.) via phone at (262) 549-1516.

Tammy Johnsen is licensed to practice in Wisconsin (license number 7504) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1073713913.

Contact Information

Tammy Johnsen, NP
721 American Ave Ste 403,
Waukesha, WI 53188-5071
(262) 549-1516
(262) 549-0648

Map and Direction




Provider's Profile

Full NameTammy Johnsen
GenderFemale
SpecialityNurse Practitioner
Experience21 Years
Location721 American Ave Ste 403, Waukesha, Wisconsin
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Tammy Johnsen graduated from nursing school in 2003
  NPI Data:
  • NPI Number: 1073713913
  • Provider Enumeration Date: 07/19/2007
  • Last Update Date: 08/22/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 1759477821
  • Enrollment ID: I20170607001164

Medical Identifiers

Medical identifiers for Tammy Johnsen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1073713913NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner 209005063 (Illinois)Secondary
363L00000XNurse Practitioner 7504 (Wisconsin)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Oconomowoc Memorial HospitalOconomowoc, WIHospital
Waukesha Memorial HospitalWaukesha, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Prohealth Medical Group Inc3476465188416

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. Tammy Johnsen allows following entities to bill medicare on her behalf.
Entity NameProhealth Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356322440
PECOS PAC ID: 3476465188
Enrollment ID: O20031103000066

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. Tammy Johnsen 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
Tammy Johnsen, NP
1860 Paysphere Cir,
Chicago, IL 60674-0018

Ph: () -
Tammy Johnsen, NP
721 American Ave Ste 403,
Waukesha, WI 53188-5071

Ph: (262) 549-1516

Reviews and Comments


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Phone: 262-928-5900    

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.