J Am Soc Echocardiogr
Dr. Leon Jay Frazin, MD
- Medicare services, 2024
- 451
- Medicare patients, 2024
- 348
- Publications
- 11
- MIPS score, 2024
- 93
- Hospital affiliations
- 3
- Practice address
- 820 S Damen Street, Chicago, IL 60612
- Practice phone
- Call (312) 569-8387
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Frazin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Leon Jay Frazin is a cardiologist in Chicago, Illinois
Dr. Frazin practices at Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois, part of Veterans Health Administration.
Dr. Frazin's NPI, 1174555916, was assigned on July 6, 2006. Dr. Frazin graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1962.
- NPI
- 1174555916NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305840984
- NPI enumeration date
- July 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 569-8387
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 90
- Medical school graduation
- 1962
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leon Jay Frazin practices at Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois
Dr. Frazin's primary practice is Jesse Brown Department of Veterans Affairs Medical Center, at 820 S Damen Street, Chicago, IL 60612 in Cook County. The practice phone is (312) 569-8387.
- Jesse Brown Department of Veterans Affairs Medical Center820 S Damen Street, Chicago, IL 60612 · Cook CountyPhone(312) 569-8387
Source: Dmand AI Affiliation Data
Dr. Leon Jay Frazin is affiliated with 4 sites of care and 1 medical group
Dr. Frazin's primary practice is Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois, part of Veterans Health Administration. Dr. Frazin is also affiliated with University of Illinois Hospital. The medical group on file is University of Illinois Physicians Group (UIPG). Dmand AI also links Dr. Frazin to 1 more hospital and 1 physician office, each named with a free account. Dr. Frazin's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leon Jay Frazin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Frazin practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jesse Brown Department of Veterans Affairs Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Leon Jay Frazin is one of 908 cardiologists in Illinois
Cardiovascular disease is Dr. Frazin's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Frazin is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Frazin has a license on file in Illinois.
Specialties and state licenses
- Cardiovascular disease, Illinois
Cardiologists near Dr. Frazin
Counts of 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. Leon Jay Frazin billed Medicare for 451 services in 2024
CMS data shows 451 Medicare services from Dr. Frazin across 2 procedure codes in 2024, for 348 Medicare patients. Medicare paid $4,162 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Frazin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 4412024: 4381%
- Office and hospital visits
- 2023: 282024: 1354%
Dr. Frazin compared with the Illinois median for cardiologists, 2024
- Dr. Frazin
- Illinois median
- Medicare services
- 451vs 1,93677% below
- Medicare patients
- 348vs 1,02366% below
Medians across 906 cardiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Frazin'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.
Need commercial claims for Dr. Frazin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Frazin and other cardiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leon Jay Frazin treated 348 Medicare patients in 2024, average age 68
CMS counts 348 Medicare patients who saw Dr. Frazin in 2024. The largest group is 65 to 74, with 139 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 3.33, 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. Frazin's median patient age at 64, with 25% women.
Dr. Frazin's Medicare patients by age, 2024
Dr. Frazin's Medicare patients by sex, 2024
- Women18252%
- Men16648%
Chronic conditions among Dr. Frazin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes60%
- Chronic kidney disease57%
- Arthritis51%
- Heart failure51%
- Ischemic heart disease51%
- Atrial fibrillation42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Frazin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women25%
- Men75%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leon Jay Frazin scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Frazin for performance year 2024, reported as part of a group. Dr. Frazin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Frazin's MIPS scores, performance year 2024
- 93of 100Final score
- 73.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Leon Jay Frazin has 11 publications on record
Dmand AI links 11 papers to Dr. Frazin, published from 2011 to 2023. 2015 was the busiest year, with 2. The most frequent topics are Aortic Valve Stenosis, Echocardiography and Aortic Valve. Dr. Frazin has published most often in Echocardiography. Dr. Frazin's most frequent co-authors are Mladen Vidovich, MD, Kevin Vipul Desai and Joshua Henry Arnold, MD, MS.
Dr. Frazin's papers by year, 2011 to 2023
Topics Dr. Frazin writes about most
- Aortic Valve Stenosis
- Echocardiography
- Aortic Valve
- Echocardiography, Doppler
- Echocardiography, Transesophageal
- Stents
- Aorta, Thoracic
- Calcinosis
Dr. Frazin's most frequent co-authors
- Mladen Vidovich, MD3 shared papers
- Kevin Vipul Desai2 shared papers
- Joshua Henry Arnold, MD, MS1 shared paper
Recent publications by Dr. Frazin
J Am Soc Echocardiogr
J Interv Cardiol
J Clin Ultrasound
See who Dr. Frazin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Frazin works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Leon Jay Frazin received $83 in industry payments from 2017 to 2018
CMS Open Payments shows 6 general payments to Dr. Frazin from 3 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $51.
General payments to Dr. Frazin by program year, 2017 to 2018
Companies that paid Dr. Frazin the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leon Jay Frazin graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Frazin graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1962.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Leon Jay Frazin's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Leon Jay Frazin
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. Leon Jay Frazin's NPI number?
Dr. Leon Jay Frazin's NPI number is 1174555916. It was assigned on July 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leon Jay Frazin?
Dr. Leon Jay Frazin is a cardiologist in Chicago, Illinois. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Leon Jay Frazin practice?
Dr. Frazin practices at 820 S Damen Street, Chicago, IL 60612. Dr. Frazin's primary practice is Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois, part of Veterans Health Administration. Dmand AI also links Dr. Frazin to 1 hospital and 1 physician office.
What is Dr. Leon Jay Frazin's office phone number?
The practice phone on file for Dr. Frazin is (312) 569-8387.
Which hospitals is Dr. Leon Jay Frazin affiliated with?
Dr. Frazin practices at Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois. Dr. Frazin is also affiliated with University of Illinois Hospital. Dmand AI links Dr. Frazin to 1 more hospital.
What medical group is Dr. Leon Jay Frazin part of?
Dr. Frazin is linked to University of Illinois Physicians Group (UIPG).
Does Dr. Leon Jay Frazin accept Medicare?
Yes. CMS data shows Dr. Frazin billed Medicare for 451 services in 2024, and Dr. Frazin accepts Medicare assignment.
What is Dr. Leon Jay Frazin's MIPS score?
Dr. Frazin's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Dr. Leon Jay Frazin see?
CMS counts 348 Medicare patients who saw Dr. Frazin in 2024, with an average age of 68.
Is Dr. Leon Jay Frazin board certified?
Yes. Dr. Frazin is board certified in cardiovascular disease by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Leon Jay Frazin bill to Medicare?
In 2024, Dr. Frazin's most billed Medicare services were heart test or procedure (93010) and hospital inpatient care (99222).
Where did Dr. Leon Jay Frazin go to medical school?
Dr. Frazin graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1962.
Has Dr. Leon Jay Frazin received payments from drug or device companies?
CMS Open Payments shows $83 in general payments to Dr. Frazin from 3 companies from 2017 to 2018. The largest total came from Amgen Inc.
How long has Dr. Leon Jay Frazin been practicing?
Dr. Frazin graduated from medical school in 1962, 64 years ago.
Does Dr. Leon Jay Frazin do research?
Dmand AI links 11 publications to Dr. Frazin, published from 2011 to 2023.
Who does Dr. Leon Jay Frazin publish with?
Dr. Frazin's most frequent co-authors are Mladen Vidovich, MD (3 shared papers), Kevin Vipul Desai (2 shared papers) and Joshua Henry Arnold, MD, MS (1 shared paper).
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