Katherine Martin-Bredahl, FNP
NPI 1427388776 · Nurse Practitioner · Saint Louis, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Martin-Bredahl, FNP is a Nurse Practitioner provider in Saint Louis, MO (NPI 1427388776).
Provider details
- NPI number
- 1427388776
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 209023198 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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 tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,452 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 | 410 | $104 |
| 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 | 226 | $13 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 202 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 201 | $106 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 179 | $74 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 199 | 91 |
| Amlodipine Besylate | 182 | 81 |
| Levothyroxine Sodium | 168 | 78 |
| Lisinopril | 142 | 65 |
| Losartan Potassium | 141 | 59 |
| Rosuvastatin Calcium | 128 | 60 |
| Methylprednisolone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,735 across 93 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 (2)
- 660 Mason Ridge Center DrSaint Louis, MO 63141-8509Phone: (314) 273-6433
- 2401 S Brentwood BlvdSaint Louis, MO 63144-2301Phone: (314) 687-2714
Registry dates
- Enumerated
- 2010-01-09
- Last updated
- 2023-01-31
- Certified
- 2023-01-31
Frequently asked questions
- What is Katherine Martin-Bredahl's NPI number?
- Katherine Martin-Bredahl's National Provider Identifier (NPI) is 1427388776, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Martin-Bredahl's specialty?
- Katherine Martin-Bredahl is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Martin-Bredahl located?
- Katherine Martin-Bredahl's practice location on file with NPPES is 969 N Mason Rd Ste 110, Saint Louis, MO 63141-6338.
- What is Katherine Martin-Bredahl's phone number?
- The practice phone number listed in the NPPES registry for Katherine Martin-Bredahl is (314) 996-3434.
- Does Katherine Martin-Bredahl accept Medicare?
- Katherine Martin-Bredahl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Martin-Bredahl's NPI active?
- Yes — Katherine Martin-Bredahl's NPI (1427388776) is active in the NPPES registry as of the last update on 2023-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.