Doctor profile · Federal record

Dr. Andrea Walker, APRN-CNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Collinsville, OK

  • NPI 1285226340
  • Accepts Medicare
  • MIPS 87.1 / 100 · 2023
  • 5 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1205 W Main St
Collinsville, OK 740213114
(918) 387-0440
fax (918) 921-7706

Credentials & registration

NPPES · NUCC
NPI registered
February 2021 — 5 yrs on file
Profile last updated
July 15, 2022
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Oklahoma #207888 · Oklahoma #116016

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285226340. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
398
Distinct HCPCS
6
Medicare allowed
$30,086
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 236 192 $100
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 76 75 $11
99213 Established patient office or other outpatient visit, 20-29 minutes 43 40 $72
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $133
36415 Insertion of needle into vein for collection of blood sample 14 14 $6
83036 Hemoglobin a1c level 12 11 $10

In context: peer comparison

Among 5 peers in Collinsville Family Nurse Practitioner, average services per provider: 105. This provider delivers 3.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$149
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Abiomed 1 $62.22
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 2 $30.03
Lexicon Pharmaceuticals, INC. 1 $20.92
Alnylam Pharmaceuticals INC. 1 $18.15
Amgen INC. 1 $17.51

By nature of payment

Food and Beverage
$149

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
336
Patients
156
Total drug cost
$26,471
Drug Type Claims Patients Total cost
Lisinopril Generic 44 24 $463
Atorvastatin Calcium Generic 40 25 $737
Amlodipine Besylate Generic 29 17 $259
Eliquis (Apixaban) Brand 29 13 $22,996
Metoprolol Tartrate Generic 27 14 $135
Metoprolol Succinate Generic 26 11 $382
Hydrochlorothiazide Generic 24 12 $73
Clopidogrel (Clopidogrel Bisulfate) Brand 21 13 $392
Furosemide Generic 20 14 $68
Potassium Chloride Generic 18 13 $353

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrea Walker's medical specialty?
Dr. Andrea Walker practices Family Nurse Practitioner in Collinsville, OK.
Where does Dr. Andrea Walker practice?
Dr. Andrea Walker practices at 1205 W Main St, Collinsville, OK 740213114. Office phone: 9183870440.
What is Dr. Andrea Walker's NPI?
Dr. Andrea Walker's National Provider Identifier (NPI) is 1285226340, issued by NPPES.
Does Dr. Andrea Walker accept Medicare assignment?
Yes. Dr. Andrea Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrea Walker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.