Margaret Ruth Lesage, MD
Family Medicine Physician · Windsor, CO
Margaret Ruth Lesage, MD is a family medicine physician with a practice address in Windsor, Colorado, and NPI 1225242225, issued on May 9, 2007. Check the license (Colorado 45145, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Margaret Ruth Lesage
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 45145 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1455 Main St Ste 140, Windsor, CO 80550
- Phone
- (970) 686-3950
- Enumerated
- May 9, 2007
- Record last updated
- Dec 20, 2025
- Fax
- (970) 686-3960
- Medicaid ID
- 25078852 CO
- Medicare enrollment
- Enrolled (PECOS I20081009000340); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 1455 Main St Ste 140
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Coffman, PA-CPhysician Assistant1194498485
- Julie Green, P.A.Physician Assistant1497721666
- Michelle Gregory, PA-CPhysician Assistant1558235598
- Jamie Holland, D.O.Family Medicine Physician1578098299
- Elizabeth Maes, MDFamily Medicine Physician1487812368
- Vanessa Magstadt, MDFamily Medicine Physician1982221354
Verify Margaret Ruth Lesage in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 45145Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average family medicine physician in 2024
3,274 Medicare Part D claims for 294 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 76 claims were for opioids.
Most prescribed
- Atorvastatin Calcium227 claims
- Levothyroxine Sodium198 claims
- Omeprazole120 claims
- Lisinopril111 claims
- Rosuvastatin Calcium100 claims
- Trazodone Hcl89 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $91.61
4 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Poudre Valley Medical Group LLCLongmont, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Ruth Lesage among 3,563 family medicine physician records in Colorado
Margaret Ruth Lesage, MD is one of 3,563 family medicine physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 42% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2005 · median 2008 among the 2,077 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 family medicine physician records list a practice address in Windsor
They are 23 of the 476 NPPES records with a practice address in Windsor, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Windsor → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Egle Bakanauskas, M.D.Windsor, CO 805501902950223
- Robert Bradley, M.D.Windsor, CO 805501508910894
- Troy Buchholz, M.D.Windsor, CO 805501154315976
- Michael Carey, M.D.Windsor, CO 805501760536064
- Karah Cloxton, MDWindsor, CO 805501528326576
- Jonathan Kary, MDWindsor, CO 805501811982788
- Trina Kessinger, MDWindsor, CO 805501356347785
- Elizabeth Maes, MDWindsor, CO 805501487812368
Common questions
What is Margaret Ruth Lesage, MD's NPI number?
Margaret Ruth Lesage, MD's National Provider Identifier (NPI) is 1225242225, issued on May 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Ruth Lesage, MD located?
The NPPES record lists a practice address at 1455 Main St Ste 140, Windsor, CO, 80550. Phone: (970) 686-3950. Providers update this record themselves, so call before visiting.
How can I verify Margaret Ruth Lesage, MD's license?
NPPES lists Colorado license number 45145, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Margaret Ruth Lesage, MD prescribe under Medicare Part D?
In 2024, Margaret Ruth Lesage, MD had 3,274 Medicare Part D claims for 294 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.