Dr. John C. Wang, MD

  • Baltimore, MD
  • Interventional cardiologist
NPI1396739009PAC ID8123003563
Medicare services, 2024
676
Medicare patients, 2024
488
Part D claims, 2024
11
Publications
35
Clinical trials
4
Practice address
201 East University Parkway, Baltimore, MD 21218
Practice phone
Call (410) 554-2227
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

MedStar Union Memorial Hospital

Hospital · Baltimore, Maryland

See all 7 affiliations

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Dr. John C. Wang is an interventional cardiologist in Baltimore, Maryland

Dr. Wang practices at MedStar Union Memorial Hospital in Baltimore, Maryland, part of MedStar Health.

Dr. Wang's NPI, 1396739009, was assigned on September 8, 2005. Dr. Wang graduated from Pritzker School of Medicine in 1997. Dr. Wang's Maryland license number on file is D0061276.

NPI and contact details
Medicare PAC ID
8123003563
NPI enumeration date
September 8, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(410) 554-2227
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
55
Medical school graduation
1997

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

Dr. John C. Wang practices at MedStar Union Memorial Hospital in Baltimore, Maryland

Dr. Wang's primary practice is MedStar Union Memorial Hospital, at 201 East University Parkway, Baltimore, MD 21218 in Baltimore City. The practice phone is (410) 554-2227.

Source: Dmand AI Affiliation Data

Dr. John C. Wang is affiliated with 5 sites of care and 2 medical groups

Dr. Wang's primary practice is MedStar Union Memorial Hospital in Baltimore, Maryland, part of MedStar Health. Dr. Wang is also affiliated with Mercy Medical Center. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Wang to 3 more hospitals and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Wang

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

Dmand AI tracks the EHR system at Dr. John C. Wang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wang practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
MedStar Union Memorial HospitalAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John C. Wang is one of 64 interventional cardiologists in Maryland

Interventional cardiology is Dr. Wang's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Wang is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Wang's licenses on file in 2 states: Maryland and Massachusetts.

Specialties and state licenses

  • Interventional cardiology, MarylandPrimaryLicense D0061276 · 2004 to 2025 · taxonomy 207RI0011X
  • Massachusetts license1999 to 2012

Clinical focus

Dmand AI lists angioplasty, atrial fibrillation and flutter, cardiac catheterization, heart attack, heart valve disorders, heart valve surgery and pacemaker or defibrillator implantation among the conditions Dr. Wang treats.

Interventional cardiologists near Dr. Wang

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. John C. Wang billed Medicare for 676 services in 2024

CMS data shows 676 Medicare services from Dr. Wang across 15 procedure codes in 2024, for 488 Medicare patients. Medicare paid $175,975 for them.

Medicare services, 2024676
Medicare patients488
Paid by Medicare$175,975
Procedure codes15

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

  • 2023
  • 2024
Tests and treatments
2023: 5492024: 5683%
Surgery
2023: 902024: 856%
Office and hospital visits
2023: 472024: 2351%

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

  • In an office467%
  • In a facility63093%

Dr. Wang compared with the Maryland median for interventional cardiologists, 2024

  • Dr. Wang
  • Maryland median
Medicare services
676vs 1,88264% below
Medicare patients
488vs 84442% below

Medians across 62 interventional cardiologists in Maryland with Dmand AI profiles that report each measure.

Dr. Wang'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. Wang

Need commercial claims for Dr. Wang?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wang and other interventional cardiologists in Maryland.

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

Dr. John C. Wang treated 488 Medicare patients in 2024, average age 76

CMS counts 488 Medicare patients who saw Dr. Wang in 2024. The largest group is 75 to 84, with 228 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.71, 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. Wang's median patient age at 71, with 46% women.

Medicare patients, 2024488
Average age76
Average risk score1.71
Also on Medicaid8%

Dr. Wang's Medicare patients by age, 2024

Dr. Wang's Medicare patients by sex, 2024

  • Women22947%
  • Men25953%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease75%
  4. Heart failure55%
  5. Arthritis54%
  6. Diabetes48%
  7. Atrial fibrillation42%
  8. Chronic kidney disease42%

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

Dr. Wang'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

  • Women46%
  • Men53%

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

Dr. John C. Wang wrote 11 Medicare Part D claims in 2024

In 2024, Dr. Wang wrote 11 Medicare Part D claims. 100% of them were for generic drugs.

Part D claims, 202411

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. John C. Wang scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Wang for performance year 2024, reported as part of a group. Dr. Wang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 143 procedures of coronary angioplasty and stenting by Dr. Wang, more than 98% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Wang's MIPS scores, performance year 2024

  • 86of 100Final score
  • 66.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 75of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Wang ranks in Medicare procedure volume

Coronary angioplasty and stenting
98th percentile143 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); 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. John C. Wang has 35 publications on record

Dmand AI links 35 papers to Dr. Wang, published from 2010 to 2025. 2022 was the busiest year, with 4. The most frequent topics are Drug-Eluting Stents, Prosthesis Design and Coronary Artery Disease. Dr. Wang has published most often in Cardiovasc Revasc Med. Dr. Wang's most frequent co-authors are Ron Waksman, MD, Brian Christopher Case, MD and Tamim Michael Nazif, MD.

Papers35
Years published2010 to 2025

Dr. Wang's papers by year, 2013 to 2025

Topics Dr. Wang writes about most

  • Drug-Eluting Stents
  • Prosthesis Design
  • Coronary Artery Disease
  • Everolimus
  • Myocardial Infarction
  • Paclitaxel
  • Sirolimus
  • Aortic Valve

Dr. Wang's most frequent co-authors

Recent publications by Dr. Wang

See all 35 publications and co-authors

See who Dr. Wang researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wang 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

Dr. John C. Wang has worked on 4 clinical trials

Dmand AI links Dr. Wang to 4 clinical trials. 2 are still active or recruiting. Conditions studied include Atherosclerosis, Coronary Artery Disease and Ventricular Outflow Obstruction. Boston Scientific Corporation sponsors the most, 2.

Conditions in Dr. Wang's trials

  • Atherosclerosis
  • Coronary Artery Disease
  • Ventricular Outflow Obstruction
  • Aortic Valve Stenosis
  • Arteriosclerosis

Investigators on the most trials with Dr. Wang

Recent clinical trials with Dr. Wang

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

Dr. John C. Wang received $336,833 in industry payments from 2016 to 2025

CMS Open Payments shows 717 general payments to Dr. Wang from 21 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 58% of the total. Abbott Laboratories paid the most, $112,656.

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

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

$336.8Kin total
  • Consulting fees$195,46958%
  • Travel and lodging$51,49115%
  • Speaker and faculty fees$50,25015%
  • Food and beverage$24,5917%
  • Other$15,0324%

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

Share is of all general payments to this clinician.

See all payments to Dr. Wang

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

Dr. John C. Wang has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Wang.

Awards and honors for Dr. Wang

  1. Undated
    • ACC Fellow
    • Fellow (SCAI)

Source: Dmand AI Professional Profile Data

Dr. John C. Wang graduated from Pritzker School of Medicine

Dr. Wang graduated from Pritzker School of Medicine in 1997. Dr. Wang is a member of ACC and SCAI.

  1. Medical schoolPritzker School of Medicine
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in interventional cardiologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. John C. Wang accepts plans from 18 insurance carriers

Dr. Wang is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • CareFirst BlueCross BlueShield
  • Cigna
  • HCSC
  • +10 more carriersWith a free account

Plan types Dr. Wang accepts, by number of carriers

  1. PPO13
  2. Medicare12
  3. HMO10
  4. POS6
  5. EPO5

Source: Dmand AI Insurance Network Data

Sources for Dr. John C. Wang'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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. John C. Wang

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. John C. Wang's NPI number?

Dr. John C. Wang's NPI number is 1396739009. It was assigned on September 8, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. John C. Wang?

Dr. John C. Wang is an interventional cardiologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. John C. Wang practice?

Dr. Wang practices at 201 East University Parkway, Baltimore, MD 21218. Dr. Wang's primary practice is MedStar Union Memorial Hospital in Baltimore, Maryland, part of MedStar Health. Dmand AI also links Dr. Wang to 3 hospitals and 1 medical group.

What is Dr. John C. Wang's office phone number?

The practice phone on file for Dr. Wang is (410) 554-2227.

What is Dr. John C. Wang's medical license number?

Dr. Wang's Maryland license number on file is D0061276, one of the licenses on file in 2 states.

Which states has Dr. John C. Wang been licensed in?

Dmand AI has state licenses on file for Dr. Wang in Maryland (2004 to 2025) and Massachusetts (1999 to 2012).

Which hospitals is Dr. John C. Wang affiliated with?

Dr. Wang practices at MedStar Union Memorial Hospital in Baltimore, Maryland. Dr. Wang is also affiliated with Mercy Medical Center. Dmand AI links Dr. Wang to 3 more hospitals.

What medical group is Dr. John C. Wang part of?

Dr. Wang is linked to MedStar Medical Group. Dmand AI links Dr. Wang to 1 more medical group.

Does Dr. John C. Wang accept Medicare?

Yes. CMS data shows Dr. Wang billed Medicare for 676 services in 2024, and Dr. Wang accepts Medicare assignment.

What is Dr. John C. Wang's MIPS score?

Dr. Wang's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. John C. Wang see?

CMS counts 488 Medicare patients who saw Dr. Wang in 2024, with an average age of 76.

Is Dr. John C. Wang board certified?

Yes. Dr. Wang is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. John C. Wang bill to Medicare?

In 2024, Dr. Wang's most billed Medicare services were heart test or procedure (93458), heart test or procedure (93456) and heart test or procedure (92928).

Where did Dr. John C. Wang go to medical school?

Dr. Wang graduated from Pritzker School of Medicine in 1997.

Has Dr. John C. Wang received payments from drug or device companies?

CMS Open Payments shows $336,833 in general payments to Dr. Wang from 21 companies from 2016 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. John C. Wang been practicing?

Dr. Wang graduated from medical school in 1997, 29 years ago.

Does Dr. John C. Wang do research?

Dmand AI links 35 publications to Dr. Wang, published from 2010 to 2025. Dr. Wang has worked on 4 clinical trials.

Who does Dr. John C. Wang publish with?

Dr. Wang's most frequent co-authors are Ron Waksman, MD (5 shared papers), Brian Christopher Case, MD (4 shared papers) and Tamim Michael Nazif, MD (4 shared papers).

What insurance does Dr. John C. Wang accept?

Dr. Wang is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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