Dr. Walter C. Sweeney, DO

  • Youngstown, OH
  • Interventional cardiologist
NPI1396715868PAC ID2466583091
Medicare services, 2024
2,016
Medicare patients, 2024
771
Part D claims, 2024
5,325
Hospital affiliations
3
Industry payments
$7,261
Practice address
1044 Belmont Avenue, Youngstown, OH 44501
Practice phone
Call (330) 480-3022
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Walter C. Sweeney is an interventional cardiologist in Youngstown, Ohio

Dr. Sweeney practices at Mercy Health - St. Elizabeth Youngstown Hospital in Youngstown, Ohio, part of Bon Secours Mercy Health.

Dr. Sweeney's NPI, 1396715868, was assigned on January 25, 2006. Dr. Sweeney graduated from Ohio University, College of Osteopathic Medicine in 1994. Dr. Sweeney holds Ohio license 34.006342.

NPI and contact details
Medicare PAC ID
2466583091
NPI enumeration date
January 25, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(330) 480-3022
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
58
Medical school graduation
1994

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

Dr. Walter C. Sweeney practices at Mercy Health - St. Elizabeth Youngstown Hospital in Youngstown, Ohio

Dr. Sweeney's primary practice is Mercy Health - St. Elizabeth Youngstown Hospital, at 1044 Belmont Avenue, Youngstown, OH 44501 in Mahoning County. The practice phone is (330) 480-3022.

Source: Dmand AI Affiliation Data

Dr. Walter C. Sweeney is affiliated with 6 sites of care and 3 medical groups

Dr. Sweeney's primary practice is Mercy Health - St. Elizabeth Youngstown Hospital in Youngstown, Ohio, part of Bon Secours Mercy Health. Dr. Sweeney is also affiliated with Mercy Health - St. Elizabeth Boardman Hospital. The medical group on file is Mercy Health Physicians. Dmand AI also links Dr. Sweeney to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account.

See all 9 affiliations for Dr. Sweeney

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

Dmand AI tracks the EHR system at Dr. Walter C. Sweeney's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sweeney practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mercy Health - St. Elizabeth Youngstown HospitalAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Walter C. Sweeney is one of 247 interventional cardiologists in Ohio

Interventional cardiology is Dr. Sweeney's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Sweeney is licensed in Ohio.

Specialties and state licenses

  • Interventional cardiology, OhioPrimaryLicense 34006342S · taxonomy 207RI0011X

Interventional cardiologists near Dr. Sweeney

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. Walter C. Sweeney billed Medicare for 2,016 services in 2024

CMS data shows 2,016 Medicare services from Dr. Sweeney across 21 procedure codes in 2024, for 771 Medicare patients. Medicare paid $102,544 for them.

Medicare services, 20242,016
Medicare patients771
Paid by Medicare$102,544
Procedure codes21

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

  • 2023
  • 2024
Tests and treatments
2023: 1,3502024: 1,21310%
Office and hospital visits
2023: 7882024: 7367%
Imaging
2023: 1032024: 6735%

Where Dr. Sweeney's Medicare services took place, 2024

  • In an office1,13356%
  • In a facility88344%

Dr. Sweeney compared with the Ohio median for interventional cardiologists, 2024

  • Dr. Sweeney
  • Ohio median
Medicare services
2,016vs 1,12979% above
Medicare patients
771vs 60028% above
Part D claims
5,152vs 1,4843.5 times

Medians across 245 interventional cardiologists in Ohio with Dmand AI profiles that report each measure.

Dr. Sweeney'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. Sweeney

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

Dr. Walter C. Sweeney treated 771 Medicare patients in 2024, average age 75

CMS counts 771 Medicare patients who saw Dr. Sweeney in 2024. The largest group is 65 to 74, with 330 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.70, 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. Sweeney's median patient age at 66, with 48% women.

Medicare patients, 2024771
Average age75
Average risk score1.70
Also on Medicaid13%

Dr. Sweeney's Medicare patients by age, 2024

Dr. Sweeney's Medicare patients by sex, 2024

  • Women35045%
  • Men42155%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease63%
  4. Arthritis57%
  5. Diabetes46%
  6. Heart failure43%
  7. Atrial fibrillation41%
  8. Chronic kidney disease39%

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

Dr. Sweeney's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women48%
  • Men50%

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

Dr. Walter C. Sweeney wrote 5,325 Medicare Part D claims in 2024

In 2024, Dr. Sweeney wrote 5,325 Medicare Part D claims for 816 patients. 84% of them were for generic drugs. CMS names the drug for 5,152 of them, across 39 drugs with 11 or more claims each, at $783,388 in total drug cost. In 2023, CMS named 4,908 claims across 40 drugs.

Part D claims, 20245,325
Drugs named by CMS39
Total drug cost$783,388
Part D patients816

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

  • Generic4,492 claims84%
  • Brand-name833 claims16%

Dr. Sweeney'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: 4,9082024: 5,1525%

Drugs named by CMS: 39 in 2024, 40 in 2023.

See all prescribing by Dr. Sweeney

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. Walter C. Sweeney ranks in the 64th percentile for coronary angioplasty and stenting in Medicare

Dr. Sweeney accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 29 procedures of coronary angioplasty and stenting by Dr. Sweeney, more than 64% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Sweeney ranks in Medicare procedure volume

Coronary angioplasty and stenting
64th percentile29 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. Walter C. Sweeney received $7,261 in industry payments from 2016 to 2025

CMS Open Payments shows 321 general payments to Dr. Sweeney from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 73% of the total. The Spectranetics Corporation paid the most, $1,724.

General payments to Dr. Sweeney by program year, 2016 to 2025

General payments to Dr. Sweeney by kind, 2016 to 2025

$7.3Kin total
  • Food and beverage$5,28073%
  • Travel and lodging$1,37719%
  • Consulting fees$5007%
  • Education$1041%

Companies that paid Dr. Sweeney the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Sweeney

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

Dr. Walter C. Sweeney graduated from Ohio University, College of Osteopathic Medicine

Dr. Sweeney graduated from Ohio University, College of Osteopathic Medicine in 1994.

  1. Medical schoolOhio University, College of Osteopathic Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Walter C. Sweeney'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. Walter C. Sweeney

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. Walter C. Sweeney's NPI number?

Dr. Walter C. Sweeney's NPI number is 1396715868. It was assigned on January 25, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Walter C. Sweeney?

Dr. Walter C. Sweeney is an interventional cardiologist in Youngstown, Ohio. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. Walter C. Sweeney practice?

Dr. Sweeney practices at 1044 Belmont Avenue, Youngstown, OH 44501. Dr. Sweeney's primary practice is Mercy Health - St. Elizabeth Youngstown Hospital in Youngstown, Ohio, part of Bon Secours Mercy Health. Dmand AI also links Dr. Sweeney to 1 hospital, 3 group practices and clinics and 2 medical groups.

What is Dr. Walter C. Sweeney's office phone number?

The practice phone on file for Dr. Sweeney is (330) 480-3022.

What is Dr. Walter C. Sweeney's medical license number?

Dr. Sweeney holds Ohio license 34.006342.

Which hospitals is Dr. Walter C. Sweeney affiliated with?

Dr. Sweeney practices at Mercy Health - St. Elizabeth Youngstown Hospital in Youngstown, Ohio. Dr. Sweeney is also affiliated with Mercy Health - St. Elizabeth Boardman Hospital. Dmand AI links Dr. Sweeney to 1 more hospital.

What medical group is Dr. Walter C. Sweeney part of?

Dr. Sweeney is linked to Mercy Health Physicians. Dmand AI links Dr. Sweeney to 2 more medical groups.

Does Dr. Walter C. Sweeney accept Medicare?

Yes. CMS data shows Dr. Sweeney billed Medicare for 2,016 services in 2024, and Dr. Sweeney accepts Medicare assignment.

How many Medicare patients does Dr. Walter C. Sweeney see?

CMS counts 771 Medicare patients who saw Dr. Sweeney in 2024, with an average age of 75.

What services does Dr. Walter C. Sweeney bill to Medicare?

In 2024, Dr. Sweeney's most billed Medicare services were heart test or procedure (93000), office visit, established patient (99214) and heart test or procedure (93010).

Show 4 more questionsShow fewer questions

Where did Dr. Walter C. Sweeney go to medical school?

Dr. Sweeney graduated from Ohio University, College of Osteopathic Medicine in 1994.

What drugs does Dr. Walter C. Sweeney prescribe most?

In 2024 Medicare Part D data, Dr. Sweeney's most prescribed drugs by claims were Metoprolol Succinate, Losartan Potassium and Amlodipine Besylate.

Has Dr. Walter C. Sweeney received payments from drug or device companies?

CMS Open Payments shows $7,261 in general payments to Dr. Sweeney from 36 companies from 2016 to 2025. The largest total came from The Spectranetics Corporation.

How long has Dr. Walter C. Sweeney been practicing?

Dr. Sweeney graduated from medical school in 1994, 32 years ago.

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