Doctor profile · Federal record

Dr. Ruth Staszak, APNP

Nurse Practitioner · Family Nurse Practitioner · Oshkosh, WI

  • NPI 1518340090
  • Accepts Medicare
  • MIPS 76.6 / 100 · 2023
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
855 N Westhaven Dr
Oshkosh, WI 549047668
(920) 303-8700
Additional location
1855 S Koeller St
Oshkosh, WI 549026186
(920) 223-7010
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Profile last updated
December 8, 2024
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Wisconsin #6475 · Wisconsin #2014034632
Medicaid
WI #100047865

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518340090. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
127
Distinct HCPCS
5
Medicare allowed
$7,128
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 35 34 $73
36415 Insertion of needle into vein for collection of blood sample 34 32 $8
85652 Red blood cell sedimentation rate, to detect inflammation, automated 22 21 $3
99214 Established patient office or other outpatient visit, 30-39 minutes 21 19 $104
99204 New patient office or other outpatient visit, 45-59 minutes 15 15 $135

In context: peer comparison

Among 28 peers in this city , average services per provider: 48. This provider delivers 2.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
349
Patients
135
Total drug cost
$5,515
Drug Type Claims Patients Total cost
Prednisone Generic 105 61 $676
Gabapentin Generic 44 15 $505
Hydroxychloroquine Sulfate Generic 36 15 $1,955
Pregabalin Generic 33 14 $1,100
Meloxicam Generic 31 0 $100
Alendronate Sodium Generic 23 0 $209
Cyclobenzaprine Hcl Generic 22 12 $91
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 18 18 $387
Fluticasone Propionate Generic 14 0 $136
Duloxetine Hcl Generic 12 0 $287

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ruth Staszak's medical specialty?
Dr. Ruth Staszak practices Nurse Practitioner in Oshkosh, WI.
Where does Dr. Ruth Staszak practice?
Dr. Ruth Staszak practices at 855 N Westhaven Dr, Oshkosh, WI 549047668. Office phone: 9203038700.
What is Dr. Ruth Staszak's NPI?
Dr. Ruth Staszak's National Provider Identifier (NPI) is 1518340090, issued by NPPES.
Does Dr. Ruth Staszak accept Medicare assignment?
Yes. Dr. Ruth Staszak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ruth Staszak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Red blood cell sedimentation rate, to detect inflammation, automated (HCPCS 85652). Source: CMS Medicare Physician & Other Practitioners file.