NPPES file of Aug 9, 2026

Lauren Desmarais, DO

Internal Medicine Physician · Scarborough, ME

Lauren Desmarais, DO is an internal medicine physician with a practice address in Scarborough, Maine, and NPI 1023338704, issued on Jun 4, 2010. Check the license (Maine DO2355, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023338704
Name
Lauren Desmarais
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
DO2355 ME
Self-reported in NPPES; status is on the state search
Practice location
144 US Route 1 Ste 2, Scarborough, ME 04074
Phone
(207) 396-7606
Enumerated
Jun 4, 2010
Record last updated
Jan 13, 2026
Fax
(207) 819-6802
Medicare enrollment
Enrolled (PECOS I20241127000778); accepts Medicare assignment
Medical or professional school
University Of New England, College Of Osteo Medicine, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 144 US Route 1 Ste 2

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elena Bennett, MDHospice and Palliative Medicine (Internal Medicine) Physician1750590915
  2. Ruthann Giusti, MDHospice and Palliative Medicine (Internal Medicine) Physician1538625009
  3. Sara Happel, DOHospice and Palliative Medicine (Family Medicine) Physician1194253617
  4. Shelley Jacobs, LCSWClinical Social Worker1689852402
  5. Elise Reid, MDHospice and Palliative Medicine (Internal Medicine) Physician1184113565
  6. Renee Sarett, MDHospice and Palliative Medicine (Emergency Medicine) Physician1205901584

Verify Lauren Desmarais in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license DO2355
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

95% fewer Medicare Part D claims than the average internal medicine physician in 2024

158 Medicare Part D claims for 41 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 34 claims were for opioids.

  1. Lauren Desmarais158
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium15 claims
  2. Oxybutynin Chloride Er12 claims
  3. Pramipexole Dihydrochloride12 claims
  4. Metoprolol Tartrate11 claims
  5. Oxycodone Hcl11 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.

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.

  1. Qualityout of 100 · 30% of the final score86.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. MainehealthFarmington, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lauren Desmarais among 597 internal medicine physician records in Maine

Lauren Desmarais, DO 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 2010, is newer than 67% of them.

  • NPI issued2010 · 67% of these records are older, 31% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2010 · median 2005 among the 369 with a school on file
  • Record last updated2026 · 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).

13 internal medicine physician records list a practice address in Scarborough

They are 13 of the 1,043 NPPES records with a practice address in Scarborough, and 597 internal medicine physician records in Maine.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Dylan AtchleyScarborough, ME 040741427547470
  2. Marshall Chamberlin, MDScarborough, ME 040741003044488
  3. Jamal Choudhary, MDScarborough, ME 040741003565128
  4. Joseph Degrinney, M.D.Scarborough, ME 040741538106679
  5. Michael Delucia, MDScarborough, ME 040741821626557
  6. Abtin Farahmand, MDScarborough, ME 040741114312774
  7. Benedict Farino, MDScarborough, ME 040741104912864
  8. Christine Freme, MDScarborough, ME 040741225123524

Common questions

What is Lauren Desmarais, DO's NPI number?

Lauren Desmarais, DO's National Provider Identifier (NPI) is 1023338704, issued on Jun 4, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Desmarais, DO located?

The NPPES record lists a practice address at 144 US Route 1 Ste 2, Scarborough, ME, 04074. Phone: (207) 396-7606. Providers update this record themselves, so call before visiting.

How can I verify Lauren Desmarais, DO's license?

NPPES lists Maine license number DO2355, 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.

How much does Lauren Desmarais, DO prescribe under Medicare Part D?

In 2024, Lauren Desmarais, DO had 158 Medicare Part D claims for 41 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Lauren Desmarais, DO'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.