Physician Profile
Unclaimed ProfileAbout MACKIN
Based in Geneva, IL, William J Mackin, M.D. is listed in the NPI registry under interventional cardiology. William graduated from Temple University School of Medicine in 1982. William is also listed as specialising in cardiovascular disease. Medicare claims data shows William provided 681 services to 595 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Mackin specialise in?
Dr. Mackin is an interventional cardiology in Geneva, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERVENTIONAL CARDIOLOGY”.
NPI registry
Where is Dr. Mackin located?
Dr. Mackin is listed at 351 DELNOR DR SUITE 100, Geneva, IL 60134. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Mackin's phone number?
The number on file is (630) 232-0280. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Mackin?
Dr. Mackin's National Provider Identifier is 1215924949. 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 Dr. Mackin go to medical school?
Dr. Mackin attended Temple University School of Medicine, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Mackin have?
Dr. Mackin has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Mackin do most often?
According to Medicare billing data, Dr. Mackin provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Mackin's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mackin. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (630) 232-0280
- Email not available
Practice Locations
351 DELNOR DR SUITE 100
Geneva, IL 60134
Procedures Most Often Billed to Medicare
681 services · 595 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
232 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
50 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
35 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
26 |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
21 |
| Insertion of tube in coronary artery for diagnosis with review by radiologist | Treatment | 93454 |
15 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
14 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
219 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
69 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other interventional cardiology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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.
More connections — 25 related providers in 4 groups
Other interventional cardiology specialists in Geneva 1
Same specialty, same city.
Trained at Temple University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at Temple University School of Medicine 8
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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.