Doctor profile · Federal record

Dr. David Winchell, P.A.-C

Medical Physician Assistant (CMS: Physician Assistant) · Saint Peters, MO

  • NPI 1871550921
  • Accepts Medicare
  • MIPS 86.9 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
5700 Mexico RD Ste 14
Saint Peters, MO 63376
(636) 277-0371
fax (636) 447-4161
Additional location
1800 Wentzville Pkwy
Wentzville, MO 633853817
(636) 200-9220
fax (636) 590-7659
Additional location
9209 Phoenix Village Pkwy
O Fallon, MO 633684280
(636) 561-4613
fax (636) 561-4610
Mailing address
801 York St
Manitowoc, WI 542204630

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 18, 2025
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Missouri #102833

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871550921. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,388
Distinct HCPCS
10
Medicare allowed
$74,125
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 472 102 $6
17000 Destruction of precancer skin growth, 1 growth 188 162 $42
99213 Established patient office or other outpatient visit, 20-29 minutes 186 174 $75
17110 Destruction of skin growth, 1-14 growths 155 136 $94
99214 Established patient office or other outpatient visit, 30-39 minutes 133 98 $103
99203 New patient office or other outpatient visit, 30-44 minutes 88 88 $93
11102 Biopsy of related skin growth, first growth 84 80 $73
99204 New patient office or other outpatient visit, 45-59 minutes 36 36 $138
99212 Established patient office or other outpatient visit, 10-19 minutes 16 15 $47
11103 Biopsy of related skin growth, each additional growth 15 15 $42

In context: peer comparison

Among 1 peers in this city , average services per provider: 126. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,800
Transactions
170
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 37 $948.39
ABBVIE INC. 33 $477.39
E.R. Squibb & Sons, L.L.C. 12 $460.61
Dermavant Sciences, Inc. 33 $277.97
Galderma Laboratories, L.P. 5 $273.55
Lilly USA, LLC 10 $249.20
Amgen Inc. 10 $184.59
UCB, Inc. 4 $163.37
SUN PHARMACEUTICAL INDUSTRIES INC. 5 $133.81
LEO Pharma Inc. 5 $110.92
Novartis Pharmaceuticals Corporation 4 $98.46
GENZYME CORPORATION 3 $81.90
PFIZER INC. 3 $57.62
MAYNE PHARMA COMMERCIAL LLC 4 $54.90
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $45.58

By nature of payment

Food and Beverage
$3,600
Education
$201

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
702
Patients
372
Total drug cost
$61,134
Drug Type Claims Patients Total cost
Ketoconazole Generic 178 84 $3,235
Triamcinolone Acetonide Generic 167 108 $1,477
Clobetasol Propionate Generic 85 46 $3,815
Doxycycline Hyclate Generic 56 22 $2,091
Clindamycin Phosphate Generic 45 14 $1,579
Fluocinonide Generic 45 27 $1,782
Hydrocortisone Generic 42 36 $255
Mupirocin Generic 31 24 $192
Metronidazole Generic 17 11 $1,521
Calcipotriene Generic 13 0 $1,597

Frequently asked questions

Auto-generated from federal data
What is Dr. David Winchell's medical specialty?
Dr. David Winchell practices Medical Physician Assistant in Saint Peters, MO.
Where does Dr. David Winchell practice?
Dr. David Winchell practices at 5700 Mexico RD Ste 14, Saint Peters, MO 63376. Office phone: 6362770371.
What is Dr. David Winchell's NPI?
Dr. David Winchell's National Provider Identifier (NPI) is 1871550921, issued by NPPES.
Does Dr. David Winchell accept Medicare assignment?
Yes. Dr. David Winchell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Winchell commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Destruction of precancer skin growth, 1 growth (HCPCS 17000); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.