Provider Profile
Ruth Staszak, APNP
Unclaimed ProfileAbout Ruth Staszak
Ruth Staszak, APNP is a nurse practitioner practicing in Oshkosh, WI. Ruth is also listed as specializing in nurse practitioner — family. According to Medicare claims data, Ruth cared for 235 Medicare patients across 300 services. 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, insertion of needle into vein for collection of blood sample, and complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count.
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
- (920) 303-8700
- Email not available
Practice Locations
855 N WESTHAVEN DR
Oshkosh, WI 54904
1855 S Koeller St
Oshkosh, WI 54902
Procedures Most Often Billed to Medicare
300 services · 235 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
71 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
96 | As often as other peers in Nurse Practitioner |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
59 | 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 |
42 | As often as other peers in Nurse Practitioner |
| Red blood cell sedimentation rate, to detect inflammation, automated | Lab test | 85652 |
32 | More 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 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 27 related providers in 4 groups
Other nurse practitioners in Oshkosh 3
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in WI who bill this service to Medicare most often.
Common questions
What does Ruth Staszak specialize in?
Ruth Staszak is a nurse practitioner in Oshkosh, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Ruth Staszak located?
Ruth Staszak is listed at 855 N Westhaven Dr, Oshkosh, WI 54904. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Ruth Staszak's phone number?
The number on file is (920) 303-8700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Ruth Staszak's NPI number?
Ruth Staszak's National Provider Identifier is 1518340090. 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 Ruth Staszak train?
Ruth Staszak attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How long has Ruth Staszak been practicing?
Ruth Staszak has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What does Ruth Staszak do most often?
According to Medicare billing data, Ruth Staszak performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Ruth Staszak confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Ruth Staszak. 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.