Provider Profile
Lois Pirozek, ARNP
Unclaimed ProfileAbout Lois Pirozek
Lois Pirozek, ARNP is a nurse practitioner practicing in Sioux City, IA. According to Medicare claims data, Lois cared for 269 Medicare patients across 383 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (712) 251-5175
- Email not available
Practice Locations
1404 34TH ST.
Sioux City, IA 51104
Procedures Most Often Billed to Medicare
383 services · 269 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
165 | More often than most peers in NURSE PRACTITIONER |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
71 | More often than most peers in NURSE PRACTITIONER |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
42 | As often as other peers in NURSE PRACTITIONER |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
39 | More often than most peers in NURSE PRACTITIONER |
| Advance care planning, first 30 minutes | Office visit | 99497 |
27 | As often as other peers in NURSE PRACTITIONER |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
24 | Less often than most peers in NURSE PRACTITIONER |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
15 | 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 in Sioux City 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Lois Pirozek specialize in?
Lois Pirozek is a nurse practitioner in Sioux City, IA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Lois Pirozek located?
Lois Pirozek is listed at 1404 34Th St., Sioux City, IA 51104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Lois Pirozek's phone number?
The number on file is (712) 251-5175. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Lois Pirozek's NPI number?
Lois Pirozek's National Provider Identifier is 1407258130. 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 Lois Pirozek train?
Lois Pirozek attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has Lois Pirozek been practicing?
Lois Pirozek has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Lois Pirozek do most often?
According to Medicare billing data, Lois Pirozek 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
Has Lois Pirozek confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Lois Pirozek. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.