Donald Lyon, M.D.
Emergency Medicine Physician · Sanford, ME
Donald Lyon, M.D. is an emergency medicine physician with a practice address in Sanford, Maine, and NPI 1760510267, issued on Feb 28, 2007. Check the license (Maine 012285, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Donald Lyon
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 012285 ME
Self-reported in NPPES; status is on the state search - Practice location
- 25 June St, Sanford, ME 04073
- Phone
- (207) 324-4310
- Enumerated
- Feb 28, 2007
- Record last updated
- Dec 29, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 466 in Maine → Look up another NPI →
Also registered at 25 June St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bobak Ahouraie, PAPhysician Assistant1245000819
- Nancy Batchelor, CRNACertified Registered Nurse Anesthetist1104859735
- Inna Bertuch, DOAnesthesiology Physician1649203274
- Mandy Bracy, PMHNPPsychiatric/Mental Health Nurse Practitioner1730024779
- Nicole Brzezinski, PA-CMedical Physician Assistant1144475781
- Donna Cady, RNRegistered Nurse1770757312
Verify Donald Lyon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 012285Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Donald Lyon among 466 emergency medicine physician records in Maine
Donald Lyon, M.D. is one of 466 emergency medicine physician records with a practice address in Maine. 80% 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 38% of them.
- NPI issued2007 · 38% of these records are older, 54% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2016 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 emergency medicine physician records list a practice address in Sanford
They are 6 of the 311 NPPES records with a practice address in Sanford, and 466 emergency medicine physician records in Maine.
All 466 in Maine → Every provider in Sanford → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Marshall Chamberlin, MDSanford, ME 040731235167404
- Lare Huber, M.D.Sanford, ME 040731639213655
- Jessica Peck, M.D.Sanford, ME 040731811289168
- Andrew Powell, M.D.Sanford, ME 040731902832751
- Sarah Shepherd, D.O.Sanford, ME 040731003124348
- Philip CapriottiScarborough, ME 040741427138445
- William Haith, DOSaco, ME 040721407933807
- Mark Rautenberg, M.D.Scarborough, ME 040741629112958
Common questions
What is Donald Lyon, M.D.'s NPI number?
Donald Lyon, M.D.'s National Provider Identifier (NPI) is 1760510267, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Donald Lyon, M.D. located?
The NPPES record lists a practice address at 25 June St, Sanford, ME, 04073. Phone: (207) 324-4310. Providers update this record themselves, so call before visiting.
How can I verify Donald Lyon, M.D.'s license?
NPPES lists Maine license number 012285, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Donald Lyon, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.