Sarah Katterheinrich, N.P.
NPI 1124436894 · Nurse Practitioner · Madison, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Katterheinrich, N.P. is a Nurse Practitioner provider in Madison, WI (NPI 1124436894).
Provider details
- NPI number
- 1124436894
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 199949-30 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
162 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) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 66 | $39 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 47 | $102 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 20 | $62 |
| Drainage of Fluid From Abdominal Cavity Using Imaging Guidance49083 | 16 | $82 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 13 | $64 |
Typical Medicare-allowed amounts for these services range $39–$102 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-07-25
- Last updated
- 2022-10-21
- Certified
- 2022-10-21
Frequently asked questions
- What is Sarah Katterheinrich's NPI number?
- Sarah Katterheinrich's National Provider Identifier (NPI) is 1124436894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Katterheinrich's specialty?
- Sarah Katterheinrich is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sarah Katterheinrich located?
- Sarah Katterheinrich's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792-0001.
- What is Sarah Katterheinrich's phone number?
- The practice phone number listed in the NPPES registry for Sarah Katterheinrich is (608) 262-5420.
- Does Sarah Katterheinrich accept Medicare?
- Sarah Katterheinrich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Katterheinrich's NPI active?
- Yes — Sarah Katterheinrich's NPI (1124436894) is active in the NPPES registry as of the last update on 2022-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.