NPPES file of Aug 9, 2026

Nicholas Tsamparlis, MD

Internal Medicine Physician · Danbury, CT

Nicholas Tsamparlis, MD is an internal medicine physician with a practice address in Danbury, Connecticut, and NPI 1164515383, issued on Oct 2, 2006. Check the license (Connecticut 52687, 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
1164515383
Name
Nicholas Tsamparlis
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
52687 CT
Self-reported in NPPES; status is on the state search
Practice location
100 Reserve RD, Danbury, CT 06810
Phone
(203) 794-1979
Enumerated
Oct 2, 2006
Record last updated
Jul 2, 2025
Medicare enrollment
Enrolled (PECOS I20210302000111); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 100 Reserve RD

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

  1. Mikayla RamosBehavior Analyst1740964394
  2. Mohammed Uddin, PHARMDAmbulatory Care Pharmacist1881331734
  3. Sydney Westervelt, PHARMDPharmacist1396575965

Verify Nicholas Tsamparlis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 52687
    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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48% more Medicare Part D claims than the average internal medicine physician in 2024

4,705 Medicare Part D claims for 609 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 21 claims were for opioids.

  1. Nicholas Tsamparlis4,705
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium209 claims
  2. Levothyroxine Sodium182 claims
  3. Amlodipine Besylate177 claims
  4. Eliquis156 claims
  5. Furosemide132 claims
  6. Rosuvastatin Calcium132 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): 93.3 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 score81.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%78.0
  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).

Industry payments in 2024: $122.91

1 payment: food and beverage; the largest payer was Idorsia Pharmaceuticals US Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nicholas Tsamparlis$122.91
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Prohealth Physicians PCDanbury, CT

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

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 Nicholas Tsamparlis, MD's NPI number?

Nicholas Tsamparlis, MD's National Provider Identifier (NPI) is 1164515383, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Tsamparlis, MD located?

The NPPES record lists a practice address at 100 Reserve RD, Danbury, CT, 06810. Phone: (203) 794-1979. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Tsamparlis, MD's license?

NPPES lists Connecticut license number 52687, 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 Nicholas Tsamparlis, MD prescribe under Medicare Part D?

In 2024, Nicholas Tsamparlis, MD had 4,705 Medicare Part D claims for 609 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Nicholas Tsamparlis, MD's MIPS final score?

The 2023 MIPS final score is 93.3 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.