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Edit this profileAt a glance
- 171 Ashley Ave, Charleston, SC 29425
About Dr. Katz
Marc R. Katz, M.D. practices cardiac surgery in Charleston, SC. Marc is also listed as specializing in thoracic surgery (cardiothoracic). Medicare claims data shows Marc provided 334 services to 332 patients. The services billed most often include replacement of aortic valve through the skin and femoral artery, new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. The provider's National Provider Identifier (NPI) is 1891715215.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (843) 792-1414
- Email not available
Practice Locations
171 ASHLEY AVE
Charleston, SC 29425
Procedures Most Often Billed to Medicare
334 services · 332 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
108 | More than most peers in Cardiac Surgery |
| Repair of mitral valve through the skin, initial prosthesis | Procedure | 33418 |
22 | More often than most peers in Cardiac Surgery |
| Radical reconstruction of mitral valve on heart-lung machine | Procedure | 33427 |
13 | Less often than most peers in Cardiac Surgery |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
84 | More than most peers in Cardiac Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
51 | More often than most peers in Cardiac Surgery |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
29 | More often than most peers in Cardiac Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
27 | As often as other peers in Cardiac Surgery |
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.
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 cardiac surgeons in Charleston 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 13 related providers in 2 groups
Class of 1981 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Replacement of aortic valve through the skin and femoral artery 5
Providers in SC who bill this service to Medicare most often.
Common questions
What does Marc R. Katz specialize in?
Marc R. Katz is a cardiac surgeon in Charleston, SC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiac Surgery”.
NPI registry
Where is Marc R. Katz located?
Marc R. Katz is listed at 171 Ashley Ave, Charleston, SC 29425. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Marc R. Katz's phone number?
The number on file is (843) 792-1414. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Marc R. Katz?
Marc R. Katz's National Provider Identifier is 1891715215. 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 Marc R. Katz train?
Marc R. Katz attended Other, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marc R. Katz have?
Marc R. Katz has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What does Marc R. Katz do most often?
According to Medicare billing data, Marc R. Katz performs procedures including replacement of aortic valve through the skin and femoral artery, repair of mitral valve through the skin, initial prosthesis and radical reconstruction of mitral valve on heart-lung machine, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Marc R. Katz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marc R. Katz. If this is you, claiming it is free.
Guide.md
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