Katy Warren-Barnett, APRN
NPI 1598242844 · Family Nurse Practitioner · Waurika, OK
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katy Warren-Barnett, APRN is a Family Nurse Practitioner provider in Waurika, OK (NPI 1598242844).
Provider details
- NPI number
- 1598242844
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 128740 (OK)
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 tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 93 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 135 | 39 |
| Lisinopril | 133 | 39 |
| Omeprazole | 119 | 33 |
| Losartan Potassium | 118 | 28 |
| Gabapentin | 113 | 30 |
| Furosemide | 109 | 30 |
| Levothyroxine Sodium | 105 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$13 across 1 record (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
Registry dates
- Enumerated
- 2018-07-19
- Last updated
- 2018-07-19
Frequently asked questions
- What is Katy Warren-Barnett's NPI number?
- Katy Warren-Barnett's National Provider Identifier (NPI) is 1598242844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katy Warren-Barnett's specialty?
- Katy Warren-Barnett is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katy Warren-Barnett located?
- Katy Warren-Barnett's practice location on file with NPPES is Intersection of Hwy 70 & Hwy 81, Waurika, OK 73573.
- What is Katy Warren-Barnett's phone number?
- The practice phone number listed in the NPPES registry for Katy Warren-Barnett is (580) 228-3669.
- Does Katy Warren-Barnett accept Medicare?
- Katy Warren-Barnett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katy Warren-Barnett's NPI active?
- Yes — Katy Warren-Barnett's NPI (1598242844) is active in the NPPES registry as of the last update on 2018-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.