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Edit this profileAt a glance
- 721 American Ave Ste 403, Waukesha, WI 53188
About Tammy Johnsen
Tammy Johnsen, NP is a nurse practitioner based in Waukesha, WI. Medicare claims data shows Tammy provided 129 services to 97 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. The provider's National Provider Identifier (NPI) is 1073713913.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (262) 549-1516
- Email not available
Practice Locations
721 AMERICAN AVE STE 403
Waukesha, WI 53188
Procedures Most Often Billed to Medicare
129 services · 97 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
113 | As often as other peers in Nurse Practitioner |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
16 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Other nurse practitioners in Waukesha 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Other 7
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Tammy Johnsen?
Tammy Johnsen is a nurse practitioner in Waukesha, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Tammy Johnsen's address?
Tammy Johnsen is listed at 721 American Ave Ste 403, Waukesha, WI 53188. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Tammy Johnsen?
The number on file is (262) 549-1516. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Tammy Johnsen?
Tammy Johnsen's National Provider Identifier is 1073713913. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Tammy Johnsen train?
Tammy Johnsen attended Other, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Tammy Johnsen have?
Tammy Johnsen has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What procedures does Tammy Johnsen perform?
According to Medicare billing data, Tammy Johnsen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Tammy Johnsen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Tammy Johnsen. If this is you, claiming it is free.
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