NPPES file of Aug 9, 2026

Edward Portnay, M.D.

Interventional Cardiology Physician · Stamford, CT

Edward Portnay, M.D. is an interventional cardiology physician with a practice address in Stamford, Connecticut, and NPI 1093810590, issued on Sep 13, 2006. Check the license (Connecticut 039478, 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
1093810590
Name
Edward Portnay
Credential
M.D.
Primary taxonomy
Interventional Cardiology Physician 207RI0011X
License number
039478 CT
Self-reported in NPPES; status is on the state search
Practice location
1177 Summer St FL 5, Stamford, CT 06905
Phone
(203) 353-1133
Enumerated
Sep 13, 2006
Record last updated
Apr 28, 2022
Medicare enrollment
Enrolled (PECOS I20040202000046); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1997
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 1177 Summer St FL 5

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

  1. Courtney Esteves, APRNAdult Health Nurse Practitioner1962169342
  2. Maggie Giambalvo, PAPhysician Assistant1023647989
  3. Srivalli Isukapalli, PA-CPhysician Assistant1982380358
  4. Martin Krauthamer, MDCardiovascular Disease Physician1437177896
  5. Jeffry Velky, PA-CPhysician Assistant1548899966

Verify Edward Portnay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 039478
    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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71% fewer Medicare Part D claims than the average interventional cardiology physician in 2024

911 Medicare Part D claims for 274 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Edward Portnay911
  2. Specialty average3,179

Most prescribed

  1. Rosuvastatin Calcium95 claims
  2. Metoprolol Succinate92 claims
  3. Ezetimibe55 claims
  4. Atorvastatin Calcium54 claims
  5. Amlodipine Besylate49 claims
  6. Furosemide48 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): 84.5 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 score79.3
  2. Costout of 100 · 30%59.6
  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).

Industry payments in 2024: $328.11

15 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Edward Portnay$328.11
  2. Specialty average$7,062.29

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. Hartford Healthcare Medical Group Specialists PLLCStamford, CT

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

Interventional Cardiology Physician providers in Connecticut

There are 75 interventional cardiology physician records in Connecticut.

Other interventional cardiology physician records in Connecticut

  1. Mohammed Al-Damluji, MD, MPHMiddletown, CT1114312766
  2. Sophia Altin, MDNew Haven, CT1619152154
  3. Ehsan Ansari, M.D.Waterbury, CT1841236312
  4. Robert Attaran, M.D., F.A.C.C.Bridgeport, CT1629270616
  5. Talhat Azemi, M.D.Hartford, CT1942407853
  6. Michael Azrin, MDFarmington, CT1558367938
  7. Robert Borkowski, MDNew Britain, CT1801852074
  8. Aaron Brice, MDNew Britain, CT1700204872
  9. Brian Cambi, M.D.New Haven, CT1003033390
  10. Edward Carreras, M.D.Stratford, CT1003100223

Common questions

What is Edward Portnay, M.D.'s NPI number?

Edward Portnay, M.D.'s National Provider Identifier (NPI) is 1093810590, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Edward Portnay, M.D. located?

The NPPES record lists a practice address at 1177 Summer St FL 5, Stamford, CT, 06905. Phone: (203) 353-1133. Providers update this record themselves, so call before visiting.

How can I verify Edward Portnay, M.D.'s license?

NPPES lists Connecticut license number 039478, 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 Edward Portnay, M.D. prescribe under Medicare Part D?

In 2024, Edward Portnay, M.D. had 911 Medicare Part D claims for 274 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.

What is Edward Portnay, M.D.'s MIPS final score?

The 2023 MIPS final score is 84.5 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.