Chad Alan Lachance, MD
Internal Medicine Physician · Lewiston, ME
Chad Alan Lachance, MD is an internal medicine physician with a practice address in Lewiston, Maine, and NPI 1558576462, issued on May 14, 2007. Check the license (Maine MD19421, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Chad Alan Lachance
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD19421 ME
Self-reported in NPPES; status is on the state search - Practice location
- 300 Main St, Lewiston, ME 04240
- Phone
- (207) 795-0111
- Enumerated
- May 14, 2007
- Record last updated
- Jul 9, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20121207000356); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 597 in Maine → Look up another NPI →
Also registered at 300 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maya Ahluwalia Hackett, DPTPhysical Therapist1700492865
- Donald Albee, CRNACertified Registered Nurse Anesthetist1437168903
- Joseph Anderson, DOPediatrics Physician1962853697
- Nicole Anderson, SLPSpeech-Language Pathologist1548644636
- Michelle AndrewsPhysical Therapist1326423237
Verify Chad Alan Lachance in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD19421Check 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 practice group's MIPS final score for 2023 (Medicare payment program): 84 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Central Maine Medical CenterLewiston, ME · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Chad Alan Lachance among 597 internal medicine physician records in Maine
Chad Alan Lachance, MD is one of 597 internal medicine physician records with a practice address in Maine. 77% 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 56% of them.
- NPI issued2007 · 56% of these records are older, 39% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2005 · median 2005 among the 369 with a school on file
- Record last updated2015 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 internal medicine physician records list a practice address in Lewiston
They are 30 of the 1,728 NPPES records with a practice address in Lewiston, and 597 internal medicine physician records in Maine.
All 597 in Maine → Every provider in Lewiston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Boulanger, MDLewiston, ME 042401376573774
- Jeffrey Brown, MDLewiston, ME 042401942237490
- Oscar Cabatingan, MDLewiston, ME 042401699746156
- Bruce ConditLewiston, ME 042401669451209
- John Dickens, MD, MPH, SFHMLewiston, ME 042401053390609
- Glenn Focht, M.D.Lewiston, ME 042401831138148
- Claudia GeyerLewiston, ME 042401689653230
- R Hanson, MD, MPHLewiston, ME 042401457356990
Common questions
What is Chad Alan Lachance, MD's NPI number?
Chad Alan Lachance, MD's National Provider Identifier (NPI) is 1558576462, issued on May 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Chad Alan Lachance, MD located?
The NPPES record lists a practice address at 300 Main St, Lewiston, ME, 04240. Phone: (207) 795-0111. Providers update this record themselves, so call before visiting.
How can I verify Chad Alan Lachance, MD's license?
NPPES lists Maine license number MD19421, 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 Chad Alan Lachance, MD's MIPS final score?
The 2023 MIPS final score is 84 of 100, reported for the practice group. 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.