Physician Profile
Leon J. Frazin, M.D.
Unclaimed ProfileAbout Dr. Frazin
Leon J. Frazin, M.D. is a healthcare provider in Chicago, IL specializing in cardiovascular disease. Leon trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1962. According to Medicare claims data, Leon cared for 334 Medicare patients across 451 services. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (312) 770-2438
- Email not available
Practice Locations
2233 W DIVISION ST
Chicago, IL 60622
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Procedures & services
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
451 services · 334 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
438 | As often as other peers in Cardiovascular Disease |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
13 | Less often than most peers in Cardiovascular Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other cardiologists in Chicago 8
Same specialty, same city.
More connections — 17 related providers in 3 groups
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Other providers in the same specialty who trained at the same institution.
Class of 1962 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 1
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Leon J. Frazin?
Leon J. Frazin is a cardiologist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
What is Leon J. Frazin's address?
Leon J. Frazin is listed at 2233 W Division St, Chicago, IL 60622. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Leon J. Frazin?
The number on file is (312) 770-2438. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Leon J. Frazin's NPI number?
Leon J. Frazin's National Provider Identifier is 1174555916. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Leon J. Frazin train?
Leon J. Frazin attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1962. This comes from the CMS National Downloadable File.
CMS public data
How long has Leon J. Frazin been practicing?
Leon J. Frazin has 64 years experience. Calculated from a graduation year of 1962, reported in the CMS National Downloadable File.
CMS public data
What procedures does Leon J. Frazin perform?
According to Medicare billing data, Leon J. Frazin provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Leon J. Frazin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Leon J. Frazin. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.