NPPES file of Aug 9, 2026

Richard Michael Louissaint, M.D

Emergency Medicine Physician · Everett, MA

Richard Michael Louissaint, M.D is an emergency medicine physician with a practice address in Everett, Massachusetts, and NPI 1629331087, issued on Jun 20, 2012. Check the license (Massachusetts 1013821, as entered in NPPES) on the Massachusetts Board of Registration 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
1629331087
Name
Richard Michael Louissaint
Credential
M.D
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
1013821 MA
036.137313 IL
Self-reported in NPPES; status is on the state search
Practice location
103 Garland St, Everett, MA 02149
Phone
(617) 665-1430
Enumerated
Jun 20, 2012
Record last updated
Jan 13, 2023
Medicare enrollment
Enrolled (PECOS I20230224002268); accepts Medicare assignment
Medical or professional school
Howard University College Of Medicine, 2012
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.
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Also registered at 103 Garland St

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

  1. Godwin Aduba, PA-CMedical Physician Assistant1841449998
  2. Joanne Agnes, RN,ADRegistered Nurse1073710224
  3. Casey Alexandre, RNInfusion Therapy Registered Nurse1306523972
  4. Nancy Banfield, MSPTPhysical Therapist1548466758
  5. Samantha BianchiRegistered Nurse1952964983
  6. Gary BlairEmergency Medicine Physician1962498378

Verify Richard Michael Louissaint in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 1013821
    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 Massachusetts 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.

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66% fewer Medicare Part D claims than the average emergency medicine physician in 2024

76 Medicare Part D claims for 63 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Richard Louissaint76
  2. Specialty average226

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 practice group's MIPS final score for 2023 (Medicare payment program): 86.3 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.

  1. Qualityout of 100 · 30% of the final score78.8
  2. Costout of 100 · 30%58.7
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Cambridge Public Health CommissionCambridge, MA
  2. Lawrence General HospitalLawrence, MA

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

Richard Michael Louissaint among 1,829 emergency medicine physician records in Massachusetts

Richard Michael Louissaint, M.D is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 62% of them.

  • NPI issued2012 · 62% of these records are older, 35% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2012 · median 2011 among the 1,200 with a school on file
  • Record last updated2023 · 57% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 emergency medicine physician records list a practice address in Everett

They are 8 of the 489 NPPES records with a practice address in Everett, and 1,829 emergency medicine physician records in Massachusetts.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Gary BlairEverett, MA 021491962498378
  2. Adelaide EvansEverett, MA 021491114968138
  3. Thomas Pedro Goldberger, M.D.Everett, MA 021491790722494
  4. Wilfred Hodgdon, M.D.Everett, MA 021491720103534
  5. Brian Lyngaas, MDEverett, MA 021491629281993
  6. Jonathan Pierce, DOEverett, MA 021491205026135
  7. Julie Zeller, M.D.Everett, MA 021491942228465
  8. Kevin Bravo, M.D.Chelsea, MA 021501336137363

Common questions

What is Richard Michael Louissaint, M.D's NPI number?

Richard Michael Louissaint, M.D's National Provider Identifier (NPI) is 1629331087, issued on Jun 20, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Richard Michael Louissaint, M.D located?

The NPPES record lists a practice address at 103 Garland St, Everett, MA, 02149. Phone: (617) 665-1430. Providers update this record themselves, so call before visiting.

How can I verify Richard Michael Louissaint, M.D's license?

NPPES lists Massachusetts license number 1013821, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Richard Michael Louissaint, M.D prescribe under Medicare Part D?

In 2024, Richard Michael Louissaint, M.D had 76 Medicare Part D claims for 63 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Richard Michael Louissaint, M.D's MIPS final score?

The 2023 MIPS final score is 86.3 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.