NPPES file of Aug 9, 2026

Lazaros Yiannos, M.D.

Emergency Medicine Physician · New Britain, CT

Lazaros Yiannos, M.D. is an emergency medicine physician with a practice address in New Britain, Connecticut, and NPI 1912310962, issued on Jun 7, 2014. Check the license (Connecticut 56298, 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
1912310962
Name
Lazaros Yiannos
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
56298 CT
Self-reported in NPPES; status is on the state search
Practice location
100 Grand St, New Britain, CT 06050
Phone
(860) 224-5671
Enumerated
Jun 7, 2014
Record last updated
May 12, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180511001097); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2014
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 Grand St

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

  1. Joan Dobbins, CRNACertified Registered Nurse Anesthetist1639114960
  2. Ellen Donshik, MDDiagnostic Radiology Physician1932186384
  3. Alfred Gladstone, MDDiagnostic Radiology Physician1255318622
  4. Michael Grey, M.D., M.P.H.Internal Medicine Physician1881777936
  5. Arpana Mohnani, M.D.Neonatal-Perinatal Medicine Physician1154386373
  6. Laura Parker, P.T.Physical Therapist1588608632

Verify Lazaros Yiannos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 56298
    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

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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20% more Medicare Part D claims than the average emergency medicine physician in 2024

272 Medicare Part D claims for 181 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 31 claims were for opioids.

  1. Lazaros Yiannos272
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt23 claims
  2. Cephalexin18 claims
  3. Cyclobenzaprine Hcl17 claims
  4. Famotidine17 claims
  5. Amoxicillin-Clavulanate Potass14 claims
  6. Oxycodone-Acetaminophen14 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).

Bills Medicare through one group practice

  1. 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) (data.cms.gov).

Lazaros Yiannos among 846 emergency medicine physician records in Connecticut

Lazaros Yiannos, M.D. is one of 846 emergency medicine physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 66% of them.

  • NPI issued2014 · 66% of these records are older, 31% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2014 · median 2011 among the 574 with a school on file
  • Record last updated2017 · 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 emergency medicine physician records list a practice address in New Britain

They are 33 of the 1,772 NPPES records with a practice address in New Britain, and 846 emergency medicine physician records in Connecticut.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Manpreet Baweja, M.D.New Britain, CT 060501932236080
  2. Alexandra Harris, DONew Britain, CT 060501407273790
  3. David Buono, M.D.New Britain, CT 060521659321305
  4. Ronald Clark, M.D.New Britain, CT 060521154369965
  5. Louis Graff, M.D.New Britain, CT 060521013968767
  6. Rene Hipona, M.D.New Britain, CT 060521801846670
  7. Eric Hobert, M.D.New Britain, CT 060521639148653
  8. Edward Kim, M.D.New Britain, CT 060521598717159

Common questions

What is Lazaros Yiannos, M.D.'s NPI number?

Lazaros Yiannos, M.D.'s National Provider Identifier (NPI) is 1912310962, issued on Jun 7, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Lazaros Yiannos, M.D. located?

The NPPES record lists a practice address at 100 Grand St, New Britain, CT, 06050. Phone: (860) 224-5671. Providers update this record themselves, so call before visiting.

How can I verify Lazaros Yiannos, M.D.'s license?

NPPES lists Connecticut license number 56298, 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 Lazaros Yiannos, M.D. prescribe under Medicare Part D?

In 2024, Lazaros Yiannos, M.D. had 272 Medicare Part D claims for 181 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Lazaros Yiannos, M.D.'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.