Dr. Allison Leigh Tsao, MD

  • Philadelphia, PA
  • Interventional cardiologist
NPI1689906372PAC ID2264681915
Medicare services, 2024
359
Medicare patients, 2024
165
Part D claims, 2024
55
Hospital affiliations
2
Industry payments
$8,357
Practice address
3400 Spruce St, Philadelphia, PA 19104
Practice phone
Call (215) 662-6289
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hospital of the University of Pennsylvania

Hospital · Philadelphia, Pennsylvania

See all 4 affiliations

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Dr. Allison Leigh Tsao is an interventional cardiologist in Philadelphia, Pennsylvania

Dr. Tsao practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania, part of University of Pennsylvania.

Dr. Tsao's NPI, 1689906372, was assigned on February 4, 2010. Dr. Tsao graduated from Johns Hopkins University School of Medicine in 2011. Dr. Tsao holds Massachusetts license 272009.

NPI and contact details
Medicare PAC ID
2264681915
NPI enumeration date
February 4, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(215) 662-6289
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Female
Estimated age
41
Medical school graduation
2011

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

Dr. Allison Leigh Tsao practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania

Dr. Tsao's primary practice is Hospital of the University of Pennsylvania, at 3400 Spruce St, Philadelphia, PA 19104 in Philadelphia County. The practice phone is (215) 662-6289.

Source: Dmand AI Affiliation Data

Dr. Allison Leigh Tsao is affiliated with 2 sites of care and 2 medical groups

Dr. Tsao's primary practice is Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania, part of University of Pennsylvania. Dr. Tsao is also affiliated with Penn Presbyterian Medical Center. The medical group on file is Penn Medicine Lancaster General Health. Dmand AI also links Dr. Tsao to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Tsao

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

Dmand AI tracks the EHR system at Dr. Allison Leigh Tsao's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsao practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hospital of the University of PennsylvaniaAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Allison Leigh Tsao is one of 254 interventional cardiologists in Pennsylvania

Interventional cardiology is Dr. Tsao's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dmand AI has Dr. Tsao's licenses on file in 3 states: Massachusetts, Maryland and Pennsylvania.

Specialties and state licenses

  • Interventional cardiology, MassachusettsPrimaryLicense 272009 · taxonomy 207RI0011X
  • Internal medicine, MarylandLicense 9164 · taxonomy 207R00000X
  • Adult congenital heart disease, PennsylvaniaLicense MD483201 · taxonomy 207RA0002X

Interventional cardiologists near Dr. Tsao

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

Dr. Allison Leigh Tsao billed Medicare for 359 services in 2024

CMS data shows 359 Medicare services from Dr. Tsao across 10 procedure codes in 2024, for 165 Medicare patients. Medicare paid $27,611 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024359
Medicare patients165
Paid by Medicare$27,611
Procedure codes10

Dr. Tsao's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 332024: 199503%
Office and hospital visits
2023: 02024: 115
Other services
2023: 02024: 34
Surgery
2023: 02024: 11

Dr. Tsao compared with the Pennsylvania median for interventional cardiologists, 2024

  • Dr. Tsao
  • Pennsylvania median
Medicare services
359vs 1,09467% below
Medicare patients
165vs 53569% below
Part D claims
24vs 1,56898% below

Medians across 253 interventional cardiologists in Pennsylvania with Dmand AI profiles that report each measure.

Dr. Tsao'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.

See all procedures by Dr. Tsao

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

Dr. Allison Leigh Tsao treated 165 Medicare patients in 2024, average age 70

CMS counts 165 Medicare patients who saw Dr. Tsao in 2024. The largest group is 65 to 74, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.52, 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. Tsao's median patient age at 58, with 45% women.

Medicare patients, 2024165
Average age70
Average risk score2.52
Also on Medicaid21%

Dr. Tsao's Medicare patients by age, 2024

Dr. Tsao's Medicare patients by sex, 2024

  • Women6841%
  • Men9759%

Chronic conditions among Dr. Tsao's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Heart failure74%
  4. Ischemic heart disease71%
  5. Atrial fibrillation53%
  6. Chronic kidney disease52%
  7. Arthritis48%
  8. Diabetes43%

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

Dr. Tsao's patients across all payers

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

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women45%
  • Men55%

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

Dr. Allison Leigh Tsao wrote 55 Medicare Part D claims in 2024

In 2024, Dr. Tsao wrote 55 Medicare Part D claims for 20 patients. 89% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $168 in total drug cost. In 2019, CMS named 47 claims across 2 drugs.

Part D claims, 202455
Drugs named by CMS2
Total drug cost$168
Part D patients20

Dr. Tsao's Part D claims by kind of drug, 2024

  • Generic49 claims89%
  • Brand-name and other6 claims11%

Dr. Tsao'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, 2019 to 2024

  • 2019
  • 2024
Claims for drugs CMS names
2019: 472024: 2449%

Drugs named by CMS: 2 in 2024, 2 in 2019.

See all prescribing by Dr. Tsao

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. Allison Leigh Tsao ranks in the 50th percentile for coronary angioplasty and stenting in Medicare

Dr. Tsao accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 20 procedures of coronary angioplasty and stenting by Dr. Tsao, more than 50% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Tsao ranks in Medicare procedure volume

Coronary angioplasty and stenting
50th percentile20 procedures

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

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

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Dr. Allison Leigh Tsao received $8,357 in industry payments from 2017 to 2025

CMS Open Payments shows 60 general payments to Dr. Tsao from 14 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 54% of the total. Edwards Lifesciences Corporation paid the most, $6,350. It also lists 1 research payment totaling $1,605 in 2020.

General payments to Dr. Tsao by program year, 2017 to 2025

General payments to Dr. Tsao by kind, 2017 to 2025

$8.4Kin total
  • Consulting fees$4,50554%
  • Food and beverage$2,90735%
  • Travel and lodging$94511%

Companies that paid Dr. Tsao the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Tsao

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

Dr. Allison Leigh Tsao graduated from Johns Hopkins University School of Medicine

Dr. Tsao graduated from Johns Hopkins University School of Medicine in 2011.

  1. Medical schoolJohns Hopkins University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Allison Leigh Tsao'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Dr. Allison Leigh Tsao

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. Allison Leigh Tsao's NPI number?

Dr. Allison Leigh Tsao's NPI number is 1689906372. It was assigned on February 4, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Allison Leigh Tsao?

Dr. Allison Leigh Tsao is an interventional cardiologist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. Allison Leigh Tsao practice?

Dr. Tsao practices at 3400 Spruce St, Philadelphia, PA 19104. Dr. Tsao's primary practice is Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania, part of University of Pennsylvania. Dmand AI also links Dr. Tsao to 1 medical group.

What is Dr. Allison Leigh Tsao's office phone number?

The practice phone on file for Dr. Tsao is (215) 662-6289.

What is Dr. Allison Leigh Tsao's medical license number?

Dr. Tsao holds Massachusetts license 272009, one of the licenses on file in 3 states.

Which states has Dr. Allison Leigh Tsao been licensed in?

Dmand AI has state licenses on file for Dr. Tsao in Massachusetts, Maryland and Pennsylvania.

Which hospitals is Dr. Allison Leigh Tsao affiliated with?

Dr. Tsao practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania. Dr. Tsao is also affiliated with Penn Presbyterian Medical Center.

What medical group is Dr. Allison Leigh Tsao part of?

Dr. Tsao is linked to Penn Medicine Lancaster General Health. Dmand AI links Dr. Tsao to 1 more medical group.

Does Dr. Allison Leigh Tsao accept Medicare?

Yes. CMS data shows Dr. Tsao billed Medicare for 359 services in 2024, and Dr. Tsao accepts Medicare assignment.

How many Medicare patients does Dr. Allison Leigh Tsao see?

CMS counts 165 Medicare patients who saw Dr. Tsao in 2024, with an average age of 70.

Show 5 more questionsShow fewer questions

What services does Dr. Allison Leigh Tsao bill to Medicare?

In 2024, Dr. Tsao's most billed Medicare services were special service (99152), hospital inpatient care (99232) and heart test or procedure (93451).

Where did Dr. Allison Leigh Tsao go to medical school?

Dr. Tsao graduated from Johns Hopkins University School of Medicine in 2011.

What drugs does Dr. Allison Leigh Tsao prescribe most?

In 2024 Medicare Part D data, Dr. Tsao's most prescribed drugs by claims were Atorvastatin Calcium and Furosemide.

Has Dr. Allison Leigh Tsao received payments from drug or device companies?

CMS Open Payments shows $8,357 in general payments to Dr. Tsao from 14 companies from 2017 to 2025. The largest total came from Edwards Lifesciences Corporation.

How long has Dr. Allison Leigh Tsao been practicing?

Dr. Tsao graduated from medical school in 2011, 15 years ago.

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