Hemorrhagic StrokeThrombocytopeniaXIENCEDAPT (aspirin and/or P2Y12 receptor inhibitor)
Dr. Edward L. Portnay, MD
NPI1093810590PAC ID9537062989
- Medicare services, 2024
- 3,640
- Medicare patients, 2024
- 821
- Part D claims, 2024
- 911
- Clinical trials
- 1
- MIPS score, 2024
- 90
- Practice address
- 1177 Summer St, Stamford, CT 06905
- Practice phone
- Call (860) 246-2071
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hartford Healthcare Medical Group Specialists
Stamford, Connecticut
Find Dr. Portnay's professional email, personal email and mobile number
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Dr. Edward L. Portnay is an interventional cardiologist in Stamford, Connecticut
Dr. Portnay practices at Hartford Healthcare Medical Group Specialists in Stamford, Connecticut.
Dr. Portnay's NPI, 1093810590, was assigned on September 13, 2006. Dr. Portnay graduated from Tufts University School Of Medicine in 1997. Dr. Portnay holds Connecticut license 039478.
NPI and contact details
- NPI
- 1093810590NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537062989
- NPI enumeration date
- September 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 246-2071
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Edward L. Portnay practices at Hartford Healthcare Medical Group Specialists in Stamford, Connecticut
Dr. Portnay's primary practice is Hartford Healthcare Medical Group Specialists, at 1177 Summer St, Stamford, CT 06905 in Western Ct County. The practice phone is (860) 246-2071.
- Hartford Healthcare Medical Group Specialists1177 Summer St, Stamford, CT 06905 · Western Ct CountyPhone(860) 246-2071
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Edward L. Portnay is affiliated with 8 sites of care and 3 medical groups
Dr. Portnay's primary practice is Hartford Healthcare Medical Group Specialists in Stamford, Connecticut. Dr. Portnay is also affiliated with Stamford Hospital. The medical group on file is Hartford HealthCare Medical Group Specialists. Dmand AI also links Dr. Portnay to 3 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.
Hartford Healthcare Medical Group SpecialistsPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Edward L. Portnay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Portnay practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hartford Healthcare Medical Group Specialists | Available with a free account |
| +7 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Edward L. Portnay is one of 66 interventional cardiologists in Connecticut
Interventional cardiology is Dr. Portnay's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Portnay is licensed in Connecticut.
Specialties and state licenses
- Interventional cardiology, ConnecticutPrimary
Interventional cardiologists near Dr. Portnay
Counts of interventional cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
66interventional cardiologists in Connecticut
3interventional cardiologists in Stamford
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Edward L. Portnay billed Medicare for 3,640 services in 2024
CMS data shows 3,640 Medicare services from Dr. Portnay across 18 procedure codes in 2024, for 821 Medicare patients. Medicare paid $237,456 for them.
Medicare services, 20243,640
Medicare patients821
Paid by Medicare$237,456
Procedure codes18
Dr. Portnay's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,4902024: 1,6058%
- Office and hospital visits
- 2023: 1,3562024: 1,57216%
- Other services
- 2023: 02024: 422
- Imaging
- 2023: 592024: 4131%
Where Dr. Portnay's Medicare services took place, 2024
- In an office2,80877%
- In a facility83223%
Dr. Portnay compared with the Connecticut median for interventional cardiologists, 2024
- Dr. Portnay
- Connecticut median
- Medicare services
- 3,640vs 1,0553.5 times
- Medicare patients
- 821vs 45182% above
- Part D claims
- 741vs 95923% below
Medians across 66 interventional cardiologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Portnay's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Portnay and other interventional cardiologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Edward L. Portnay treated 821 Medicare patients in 2024, average age 79
CMS counts 821 Medicare patients who saw Dr. Portnay in 2024. The largest group is 75 to 84, with 362 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Portnay's median patient age at 71, with 40% women.
Medicare patients, 2024821
Average age79
Average risk score1.58
Also on Medicaid17%
Dr. Portnay's Medicare patients by age, 2024
Dr. Portnay's Medicare patients by sex, 2024
- Women38247%
- Men43953%
Chronic conditions among Dr. Portnay's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease62%
- Arthritis52%
- Atrial fibrillation36%
- Heart failure35%
- Diabetes32%
- Mood disorders25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Portnay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women40%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Edward L. Portnay wrote 911 Medicare Part D claims in 2024
In 2024, Dr. Portnay wrote 911 Medicare Part D claims for 274 patients. 86% of them were for generic drugs. CMS names the drug for 741 of them, across 23 drugs with 11 or more claims each, at $137,895 in total drug cost. In 2023, CMS named 822 claims across 23 drugs.
Part D claims, 2024911
Drugs named by CMS23
Total drug cost$137,895
Part D patients274
Dr. Portnay's Part D claims by kind of drug, 2024
- Generic788 claims86%
- Brand-name123 claims14%
Dr. Portnay's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8222024: 74110%
Drugs named by CMS: 23 in 2024, 23 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Edward L. Portnay scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Portnay for performance year 2024, reported as part of a group. Dr. Portnay accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 51 procedures of coronary angioplasty and stenting by Dr. Portnay, more than 84% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Portnay's MIPS scores, performance year 2024
- 90of 100Final score
- 83.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Portnay ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 84th percentile51 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Edward L. Portnay has worked on 1 clinical trial
Dmand AI links Dr. Portnay to 1 clinical trial. Conditions studied include Hemorrhagic Stroke and Thrombocytopenia.
Conditions in Dr. Portnay's trials
- Hemorrhagic Stroke
- Thrombocytopenia
Investigators on the most trials with Dr. Portnay
- Robert Joseph Applegate, MD1 shared trial
- Joseph R. Aragon, MD1 shared trial
- Usman Baber, MD1 shared trial
Recent clinical trials with Dr. Portnay
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Edward L. Portnay received $14,045 in industry payments from 2016 to 2025
CMS Open Payments shows 359 general payments to Dr. Portnay from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 48% of the total. Abbott Laboratories paid the most, $4,961.
General payments to Dr. Portnay by program year, 2016 to 2025
General payments to Dr. Portnay by kind, 2016 to 2025
$14Kin total
- Food and beverage$6,69548%
- Consulting fees$4,49932%
- Travel and lodging$2,84420%
- Education$70%
Companies that paid Dr. Portnay the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Edward L. Portnay graduated from Tufts University School Of Medicine
Dr. Portnay graduated from Tufts University School Of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Edward L. Portnay's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Edward L. Portnay
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Edward L. Portnay's NPI number?
Dr. Edward L. Portnay's NPI number is 1093810590. It was assigned on September 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Edward L. Portnay?
Dr. Edward L. Portnay is an interventional cardiologist in Stamford, Connecticut. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. Edward L. Portnay practice?
Dr. Portnay practices at 1177 Summer St, Stamford, CT 06905. Dr. Portnay's primary practice is Hartford Healthcare Medical Group Specialists in Stamford, Connecticut. Dmand AI also links Dr. Portnay to 3 hospitals, 3 group practices and clinics and 2 medical groups.
What is Dr. Edward L. Portnay's office phone number?
The practice phone on file for Dr. Portnay is (860) 246-2071.
What is Dr. Edward L. Portnay's medical license number?
Dr. Portnay holds Connecticut license 039478.
Which hospitals is Dr. Edward L. Portnay affiliated with?
Dr. Portnay is affiliated with Stamford Hospital. Dmand AI links Dr. Portnay to 3 more hospitals.
What medical group is Dr. Edward L. Portnay part of?
Dr. Portnay is linked to Hartford HealthCare Medical Group Specialists. Dmand AI links Dr. Portnay to 2 more medical groups.
Does Dr. Edward L. Portnay accept Medicare?
Yes. CMS data shows Dr. Portnay billed Medicare for 3,640 services in 2024, and Dr. Portnay accepts Medicare assignment.
What is Dr. Edward L. Portnay's MIPS score?
Dr. Portnay's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Dr. Edward L. Portnay see?
CMS counts 821 Medicare patients who saw Dr. Portnay in 2024, with an average age of 79.
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What services does Dr. Edward L. Portnay bill to Medicare?
In 2024, Dr. Portnay's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and medicare service (G2211).
Where did Dr. Edward L. Portnay go to medical school?
Dr. Portnay graduated from Tufts University School Of Medicine in 1997.
What drugs does Dr. Edward L. Portnay prescribe most?
In 2024 Medicare Part D data, Dr. Portnay's most prescribed drugs by claims were Rosuvastatin Calcium, Metoprolol Succinate and Ezetimibe.
Has Dr. Edward L. Portnay received payments from drug or device companies?
CMS Open Payments shows $14,045 in general payments to Dr. Portnay from 35 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Edward L. Portnay been practicing?
Dr. Portnay graduated from medical school in 1997, 29 years ago.
Does Dr. Edward L. Portnay do research?
Dr. Portnay has worked on 1 clinical trial.
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