Doctor profile · Federal record

Dr. Karen Turner, FNP

Nurse Practitioner · Family Nurse Practitioner · O Fallon, MO

  • NPI 1154849578
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
20 Progress Point Pkwy Ste 206
O Fallon, MO 633682207
(636) 344-1073
Additional location
4414 N Florissant Ave
Saint Louis, MO 631071812
(314) 898-1700
fax (314) 814-8542
Additional location
6701 Saint Charles Rock RD
Saint Louis, MO 631331705
(314) 898-1700
fax (314) 814-8542

Credentials & registration

NPPES · NUCC
NPI registered
September 2017 — 9 yrs on file
Profile last updated
September 12, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Missouri #2017030716

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154849578. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
180
Distinct HCPCS
4
Medicare allowed
$16,483
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 88 82 $105
99213 Established patient office or other outpatient visit, 20-29 minutes 37 36 $74
99204 New patient office or other outpatient visit, 45-59 minutes 31 31 $138
36415 Insertion of needle into vein for collection of blood sample 24 23 $8

In context: peer comparison

Among 10 peers in O Fallon Nurse Practitioner, average services per provider: 83. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,383
Transactions
114
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 33 $567.54
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 18 $339.27
Janssen Biotech, INC. 10 $316.17
Aimmune Therapeutics, INC. 9 $156.37
Pfizer INC. 4 $145.29
Takeda Pharmaceuticals U.S.A., INC. 9 $141.68
Qol Medical, LLC 6 $125.59
Genzyme Corporation 5 $113.49
Lilly USA, LLC 5 $101.91
Regeneron Healthcare Solutions, INC. 3 $84.41
Ardelyx, INC. 5 $80.68
Gilead Sciences, INC. 2 $48.85
Ironwood Pharmaceuticals, INC 2 $42.60
Phathom Pharmaceuticals, INC. 2 $40.76
Celgene Corporation 1 $23.75

By nature of payment

Food and Beverage
$2,283
Education
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,103
Patients
384
Total drug cost
$12,914
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 172 67 $770
Atorvastatin Calcium Generic 125 46 $1,269
Omeprazole Generic 107 43 $1,601
Pantoprazole Sodium Generic 101 45 $1,388
Gabapentin Generic 96 19 $1,583
Lisinopril Generic 64 21 $488
Hydrochlorothiazide Generic 58 22 $250
Metformin Hcl Generic 58 22 $369
Carvedilol Generic 53 12 $538
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 52 15 $1,399

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Turner's medical specialty?
Dr. Karen Turner practices Nurse Practitioner in O Fallon, MO.
Where does Dr. Karen Turner practice?
Dr. Karen Turner practices at 20 Progress Point Pkwy Ste 206, O Fallon, MO 633682207. Office phone: 6363441073.
What is Dr. Karen Turner's NPI?
Dr. Karen Turner's National Provider Identifier (NPI) is 1154849578, issued by NPPES.
Does Dr. Karen Turner accept Medicare assignment?
Yes. Dr. Karen Turner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Turner commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.