Andrea Walker, APRN-CNP
NPI 1285226340 · Family Nurse Practitioner · Collinsville, OK
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Walker, APRN-CNP is a Family Nurse Practitioner provider in Collinsville, OK (NPI 1285226340).
Provider details
- NPI number
- 1285226340
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN-CNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 116016 (OK)
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 tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
964 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 | 402 | $100 |
| 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 | 358 | $13 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 169 | $11 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 21 | $90 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 14 | $71 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clopidogrel Bisulfatebrand: Clopidogrel | 106 | 37 |
| Metoprolol Succinate | 102 | 46 |
| Metoprolol Tartrate | 85 | 33 |
| Apixabanbrand: Eliquis | 82 | 32 |
| Atorvastatin Calcium | 76 | 39 |
| Amlodipine Besylate | 74 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$149 across 6 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
Registry dates
- Enumerated
- 2021-02-09
- Last updated
- 2022-07-15
- Certified
- 2022-07-15
Frequently asked questions
- What is Andrea Walker's NPI number?
- Andrea Walker's National Provider Identifier (NPI) is 1285226340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Walker's specialty?
- Andrea Walker is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrea Walker located?
- Andrea Walker's practice location on file with NPPES is 1205 W Main St, Collinsville, OK 74021-3114.
- What is Andrea Walker's phone number?
- The practice phone number listed in the NPPES registry for Andrea Walker is (918) 387-0440.
- Does Andrea Walker accept Medicare?
- Andrea Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Walker's NPI active?
- Yes — Andrea Walker's NPI (1285226340) is active in the NPPES registry as of the last update on 2022-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.