NPPES file of Aug 9, 2026

David Louisia, MD

Internal Medicine Physician · Danbury, CT

David Louisia, MD is an internal medicine physician with a practice address in Danbury, Connecticut, and NPI 1003475971, issued on Jun 13, 2019. Check the license (Connecticut 71799, as entered in NPPES) on the Connecticut Medical Examining Board; 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
1003475971
Name
David Louisia
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
71799 CT
Self-reported in NPPES; status is on the state search
Practice location
120 Main St, Danbury, CT 06810
Phone
(203) 743-0100
Enumerated
Jun 13, 2019
Record last updated
Sep 5, 2024
Medicare enrollment
Enrolled (PECOS I20220818002425); may accept Medicare assignment
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 120 Main St

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

  1. Meena Bai, M.DStudent in an Organized Health Care Education/Training Program1558203141
  2. Lyn Boyd, MDStudent in an Organized Health Care Education/Training Program1871341495
  3. Aneesa CarrawayStudent in an Organized Health Care Education/Training Program1780515494
  4. Gagandeep Chera, MDInternal Medicine Physician1972091403
  5. Scott Colman, D.D.S.General Practice Dentistry1982792800
  6. Mikhail Dmitriev, MD, MBAStudent in an Organized Health Care Education/Training Program1508432550

Verify David Louisia in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 71799
    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 Connecticut license search

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40% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,890 Medicare Part D claims for 224 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 22 claims were for opioids.

  1. David Louisia1,890
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium160 claims
  2. Amlodipine Besylate111 claims
  3. Lisinopril106 claims
  4. Metformin Hcl84 claims
  5. Rosuvastatin Calcium84 claims
  6. Pantoprazole Sodium69 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 practice group's MIPS final score for 2023 (Medicare payment program): 91.3 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 score86.4
  2. Costout of 100 · 30%56.5
  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).

3 hospitals and group practices

  1. Midstate Medical CenterMeriden, CT · Acute Care Hospitals4 of 5 stars
  2. Connecticut Institute For Communities IncDanbury, CT
  3. The Hospital OF Central Connecticut AT New Britain General And BradleyNew Britain, CT

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.

112 internal medicine physician records list a practice address in Danbury

They are 112 of the 2,412 NPPES records with a practice address in Danbury, and 2,623 internal medicine physician records in Connecticut.

Other internal medicine physician records in Connecticut

  1. Hoda Abdel Salam, M.D.New Britain, CT1144509316
  2. Gada Abdelhafiz, MDNew London, CT1467649558
  3. Racha Abi Melhem, MDDerby, CT1902471352
  4. Gerard Abidor, D.O.Bridgeport, CT1518014539
  5. Lilyan AbrahamFarmington, CT1447693254
  6. Richard Abraham, M.D.Canton, CT1023044252
  7. Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
  8. Kenneth Abriola, MDGlastonbury, CT1083693022
  9. Florentino Abueg, MDSouthbury, CT1649372558
  10. Nila Aburto, MDStamford, CT1396325718

Common questions

What is David Louisia, MD's NPI number?

David Louisia, MD's National Provider Identifier (NPI) is 1003475971, issued on Jun 13, 2019. An NPI identifies a provider in billing; it is not a license.

Where is David Louisia, MD located?

The NPPES record lists a practice address at 120 Main St, Danbury, CT, 06810. Phone: (203) 743-0100. Providers update this record themselves, so call before visiting.

How can I verify David Louisia, MD's license?

NPPES lists Connecticut license number 71799, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does David Louisia, MD prescribe under Medicare Part D?

In 2024, David Louisia, MD had 1,890 Medicare Part D claims for 224 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is David Louisia, MD's MIPS final score?

The 2023 MIPS final score is 91.3 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.