Sarah Grunke, PA-C
NPI 1598198426 · Physician Assistant · Oshkosh, WI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Grunke, PA-C is a Physician Assistant provider in Oshkosh, WI (NPI 1598198426).
Provider details
- NPI number
- 1598198426
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 016823 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
152 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 62 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 54 | $109 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 36 | $140 |
Typical Medicare-allowed amounts for these services range $76–$140 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 195 | 192 |
| Cephalexin | 82 | 81 |
| Doxycycline Hyclate | 72 | 72 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 56 | 54 |
| Ciprofloxacin Hcl | 27 | 26 |
| Triamcinolone Acetonide | 25 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 23 |
Practice location
Mailing address
Additional practice locations (2)
- 3329 N Richmond StAppleton, WI 54911-1063Phone: (920) 380-2715
- 101 Main StNeenah, WI 54956-2570Phone: (920) 727-4200
Registry dates
- Enumerated
- 2013-08-14
- Last updated
- 2023-12-19
- Certified
- 2023-12-19
Frequently asked questions
- What is Sarah Grunke's NPI number?
- Sarah Grunke's National Provider Identifier (NPI) is 1598198426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Grunke's specialty?
- Sarah Grunke is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sarah Grunke located?
- Sarah Grunke's practice location on file with NPPES is 1855 S Koeller St, Oshkosh, WI 54902-6186.
- What is Sarah Grunke's phone number?
- The practice phone number listed in the NPPES registry for Sarah Grunke is (920) 223-2000.
- Does Sarah Grunke accept Medicare?
- Sarah Grunke is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Grunke's NPI active?
- Yes — Sarah Grunke's NPI (1598198426) is active in the NPPES registry as of the last update on 2023-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.