Doctor profile · Federal record

Dr. Margaret Lesage, MD

Family Medicine Physician (CMS: Family Practice) · Windsor, CO

  • NPI 1225242225
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1455 Main St Ste 140
Windsor, CO 805505559
(970) 686-3950
fax (970) 686-3960
Additional location
1925 Mountain View Ave
Longmont, CO 805013128
(720) 494-3121
fax (720) 494-3108

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
December 20, 2025
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Colorado #45145
Medicaid
CO #25078852

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225242225. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
483
Distinct HCPCS
10
Medicare allowed
$44,346
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 102 72 $128
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 93 93 $128
99213 Established patient office or other outpatient visit, 20-29 minutes 68 60 $91
G0008 Administration of influenza virus vaccine 35 35 $31
93793 Anticoagulant management of patient taking warfarin 34 12 $12
90662 Influenza vaccine split virus, preservative free 31 31 $72
77067 Screening mammography 27 27 $97
77063 Screening 3d breast mammography 26 26 $26
96372 Injection of drug or substance under skin or into muscle 17 15 $14
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 15 15 $166

In context: peer comparison

Among 11 peers in this city , average services per provider: 60. This provider delivers 8.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$92
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 1 $39.85
GlaxoSmithKline, LLC. 1 $19.11
Exact Sciences Corporation 1 $16.85
Amgen Inc. 1 $15.80

By nature of payment

Food and Beverage
$92

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,315
Patients
407
Total drug cost
$17,037
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 215 61 $3,225
Atorvastatin Calcium Generic 201 61 $2,146
Omeprazole Generic 103 32 $1,334
Lisinopril Generic 91 29 $706
Amlodipine Besylate Generic 86 23 $425
Losartan Potassium Generic 79 27 $847
Trazodone Hcl Generic 71 24 $884
Metoprolol Succinate Generic 65 21 $1,816
Escitalopram Oxalate Generic 64 20 $843
Hydrochlorothiazide Generic 61 19 $369

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Lesage's medical specialty?
Dr. Margaret Lesage practices Family Medicine Physician in Windsor, CO.
Where does Dr. Margaret Lesage practice?
Dr. Margaret Lesage practices at 1455 Main St Ste 140, Windsor, CO 805505559. Office phone: 9706863950.
What is Dr. Margaret Lesage's NPI?
Dr. Margaret Lesage's National Provider Identifier (NPI) is 1225242225, issued by NPPES.
Does Dr. Margaret Lesage accept Medicare assignment?
Yes. Dr. Margaret Lesage accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Lesage commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.