Katie Rettler, APNP
NPI 1225301039 · Nurse Practitioner · Marinette, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katie Rettler, APNP is a Nurse Practitioner provider in Marinette, WI (NPI 1225301039).
Provider details
- NPI number
- 1225301039
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 6311-33 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
241 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 53 | $77 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 42 | $52 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 39 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 32 | $102 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 415 | 149 |
| Furosemide | 315 | 122 |
| Bumetanide | 281 | 90 |
| Apixabanbrand: Eliquis | 254 | 75 |
| Carvedilol | 245 | 81 |
| Atorvastatin Calcium | 161 | 58 |
| Metoprolol Tartrate | 151 | 62 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$32 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 744 S Webster AveGreen Bay, WI 54301-3505Phone: (920) 433-3640Fax: (920) 433-3716
Registry dates
- Enumerated
- 2012-02-10
- Last updated
- 2020-10-27
- Certified
- 2020-10-23
Frequently asked questions
- What is Katie Rettler's NPI number?
- Katie Rettler's National Provider Identifier (NPI) is 1225301039, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katie Rettler's specialty?
- Katie Rettler is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katie Rettler located?
- Katie Rettler's practice location on file with NPPES is 2820 Roosevelt Rd, Marinette, WI 54143-3834.
- What is Katie Rettler's phone number?
- The practice phone number listed in the NPPES registry for Katie Rettler is (715) 735-5225.
- Does Katie Rettler accept Medicare?
- Katie Rettler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katie Rettler's NPI active?
- Yes — Katie Rettler's NPI (1225301039) is active in the NPPES registry as of the last update on 2020-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.