Ada Stefanescu, MS

  • Boston, MA
  • Interventional cardiologist
NPI1518274117PAC ID6103087515
Medicare services, 2024
586
Medicare patients, 2024
204
Part D claims, 2024
59
Publications
6
Clinical trials
1
Practice address
55 Fruit Street, Boston, MA 02114
Practice phone
Call (617) 726-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Massachusetts General Hospital

Hospital · Boston, Massachusetts

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Ada Stefanescu is an interventional cardiologist in Boston, Massachusetts

Ada Stefanescu practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.

Ada Stefanescu's NPI, 1518274117, was assigned on September 3, 2010. Ada Stefanescu holds Massachusetts license 254160.

NPI and contact details
Medicare PAC ID
6103087515
NPI enumeration date
September 3, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(617) 726-2000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Ada Stefanescu practices at Massachusetts General Hospital in Boston, Massachusetts

Ada Stefanescu's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.

Source: Dmand AI Affiliation Data

Ada Stefanescu is affiliated with 4 sites of care and 2 medical groups

Ada Stefanescu's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Ada Stefanescu is also affiliated with Newton-Wellesley Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Ada Stefanescu to 1 more hospital, 1 community health center and 1 medical group, each named with a free account.

See all 6 affiliations for Ada Stefanescu

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Ada Stefanescu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Ada Stefanescu practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Massachusetts General HospitalAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Ada Stefanescu is one of 125 interventional cardiologists in Massachusetts

Interventional cardiology is Ada Stefanescu's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Ada Stefanescu is licensed in Massachusetts.

Specialties and state licenses

  • Interventional cardiology, MassachusettsPrimaryLicense L-244803 · taxonomy 207RI0011X

Interventional cardiologists near Ada Stefanescu

Counts of interventional cardiologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Ada Stefanescu billed Medicare for 586 services in 2024

CMS data shows 586 Medicare services from Ada Stefanescu across 18 procedure codes in 2024, for 204 Medicare patients. Medicare paid $51,995 for them.

Medicare services, 2024586
Medicare patients204
Paid by Medicare$51,995
Procedure codes18

Ada Stefanescu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 3442024: 3522%
Office and hospital visits
2023: 1512024: 21744%
Other services
2023: 02024: 17

Where Ada Stefanescu's Medicare services took place, 2024

  • In an office10017%
  • In a facility48683%

Ada Stefanescu compared with the Massachusetts median for interventional cardiologists, 2024

  • Ada Stefanescu
  • Massachusetts median
Medicare services
586vs 1,07846% below
Medicare patients
204vs 49959% below
Part D claims
33vs 54294% below

Medians across 114 interventional cardiologists in Massachusetts with Dmand AI profiles that report each measure.

Ada Stefanescu'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Ada Stefanescu treated 204 Medicare patients in 2024, average age 72

CMS counts 204 Medicare patients who saw Ada Stefanescu in 2024. The largest group is 65 to 74, with 78 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 2.44, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Ada Stefanescu's median patient age at 65, with 45% women.

Medicare patients, 2024204
Average age72
Average risk score2.44
Also on Medicaid29%

Ada Stefanescu's Medicare patients by age, 2024

Ada Stefanescu's Medicare patients by sex, 2024

  • Women8944%
  • Men11556%

Chronic conditions among Ada Stefanescu's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease75%
  4. Heart failure63%
  5. Chronic kidney disease49%
  6. Anxiety44%
  7. Diabetes44%
  8. Arthritis41%

Share of Medicare patients with each condition. A patient can have several.

Ada Stefanescu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women45%
  • Men54%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Ada Stefanescu wrote 59 Medicare Part D claims in 2024

In 2024, Ada Stefanescu wrote 59 Medicare Part D claims for 19 patients. 81% of them were for generic drugs. CMS names the drug for 33 of them, across 2 drugs with 11 or more claims each, at $391 in total drug cost. In 2016, CMS named 110 claims across 6 drugs.

Part D claims, 202459
Drugs named by CMS2
Total drug cost$391
Part D patients19

Ada Stefanescu's Part D claims by kind of drug, 2024

  • Generic48 claims81%
  • Brand-name11 claims19%

Ada Stefanescu's most prescribed drugs by claims, 2017

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, 2016 to 2017

  • 2016
  • 2017
Claims for drugs CMS names
2016: 1102017: 3370%

Drugs named by CMS: 2 in 2017, 6 in 2016.

See all prescribing by Ada Stefanescu

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

Ada Stefanescu ranks in the 48th percentile for coronary angioplasty and stenting in Medicare

Ada Stefanescu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Ada Stefanescu as offering telehealth. CMS counts 19 procedures of coronary angioplasty and stenting by Ada Stefanescu, more than 48% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Ada Stefanescu ranks in Medicare procedure volume

Coronary angioplasty and stenting
48th percentile19 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Ada Stefanescu has 6 publications on record

Dmand AI links 6 papers to Ada Stefanescu, published from 2013 to 2024. 2015 was the busiest year, with 2. The most frequent topics are Heart Defects, Congenital. Ada Stefanescu has published most often in Am J Cardiol. Ada Stefanescu's most frequent co-authors are Ami Bharat Bhatt, MD, David M. Dudzinski, MD and Richard R. Liberthson, MD.

Papers6
Years published2013 to 2024

Ada Stefanescu's papers by year, 2013 to 2024

Topics Ada Stefanescu writes about most

  • Heart Defects, Congenital

Ada Stefanescu's most frequent co-authors

Recent publications by Ada Stefanescu

See all 6 publications and co-authors

See who Ada Stefanescu researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Ada Stefanescu works with, so you can find a warm path to the right interventional cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Ada Stefanescu has worked on 1 clinical trial

Dmand AI links Ada Stefanescu to 1 clinical trial. Conditions studied include Heart Defects, Congenital and Cardiovascular Abnormalities.

Conditions in Ada Stefanescu's trials

  • Heart Defects, Congenital
  • Cardiovascular Abnormalities

Investigators on the most trials with Ada Stefanescu

Recent clinical trials with Ada Stefanescu

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Ada Stefanescu received $19,961 in industry payments from 2019 to 2025

CMS Open Payments shows 82 general payments to Ada Stefanescu from 7 drug and device companies from 2019 to 2025. Travel and lodging make up the largest share, 39% of the total. B. Braun Interventional Systems Inc. paid the most, $7,167. It also lists 4 research payments totaling $19,200 in 2024.

General payments to Ada Stefanescu by program year, 2019 to 2025

General payments to Ada Stefanescu by kind, 2019 to 2025

$20Kin total
  • Travel and lodging$7,86939%
  • Consulting fees$4,72524%
  • Food and beverage$4,61623%
  • Honoraria$2,75014%

Companies that paid Ada Stefanescu the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Ada Stefanescu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Ada Stefanescu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Ada Stefanescu

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Ada Stefanescu's NPI number?

Ada Stefanescu's NPI number is 1518274117. It was assigned on September 3, 2010, and it is active in the NPI Registry.

What does Ada Stefanescu specialize in?

Ada Stefanescu is an interventional cardiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Ada Stefanescu practice?

Ada Stefanescu practices at 55 Fruit Street, Boston, MA 02114. Ada Stefanescu's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Ada Stefanescu to 1 hospital, 1 community health center and 1 medical group.

What is Ada Stefanescu's office phone number?

The practice phone on file for Ada Stefanescu is (617) 726-2000.

What is Ada Stefanescu's medical license number?

Ada Stefanescu holds Massachusetts license 254160.

Which hospitals is Ada Stefanescu affiliated with?

Ada Stefanescu practices at Massachusetts General Hospital in Boston, Massachusetts. Ada Stefanescu is also affiliated with Newton-Wellesley Hospital. Dmand AI links Ada Stefanescu to 1 more hospital.

What medical group is Ada Stefanescu part of?

Ada Stefanescu is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Ada Stefanescu to 1 more medical group.

Does Ada Stefanescu accept Medicare?

Yes. CMS data shows Ada Stefanescu billed Medicare for 586 services in 2024, and Ada Stefanescu accepts Medicare assignment.

Does Ada Stefanescu offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Ada Stefanescu as offering telehealth services.

How many Medicare patients does Ada Stefanescu see?

CMS counts 204 Medicare patients who saw Ada Stefanescu in 2024, with an average age of 72.

Show 6 more questionsShow fewer questions

What services does Ada Stefanescu bill to Medicare?

In 2024, Ada Stefanescu's most billed Medicare services were special service (99152), hospital inpatient care (99232) and heart test or procedure (93000).

What drugs does Ada Stefanescu prescribe most?

In 2017 Medicare Part D data, Ada Stefanescu's most prescribed drugs by claims were Furosemide and Metoprolol Succinate.

Has Ada Stefanescu received payments from drug or device companies?

CMS Open Payments shows $19,961 in general payments to Ada Stefanescu from 7 companies from 2019 to 2025. The largest total came from B. Braun Interventional Systems Inc.

How long has Ada Stefanescu been practicing?

Ada Stefanescu graduated from medical school in 2010, 16 years ago.

Does Ada Stefanescu do research?

Dmand AI links 6 publications to Ada Stefanescu, published from 2013 to 2024. Ada Stefanescu has worked on 1 clinical trial.

Who does Ada Stefanescu publish with?

Ada Stefanescu's most frequent co-authors are Ami Bharat Bhatt, MD (3 shared papers), David M. Dudzinski, MD (3 shared papers) and Richard R. Liberthson, MD (2 shared papers).

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