Stephen Marietta, M.D.
NPI 1053301606 · Interventional Cardiology Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Marietta, M.D. is a Interventional Cardiology Physician provider in Knoxville, TN (NPI 1053301606).
Provider details
- NPI number
- 1053301606
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 16657 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
938 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 452 | $83 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 274 | $13 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 96 | $153 |
| Heart Rhythm Recording Continous External Ekg Over More Than 48 Hours Up to 7 Days93242 | 63 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 39 | $118 |
| Heart Rhythm Review, and Interpretation of Continous External Ekg Over More Than 48 Hours Up to 7 Days |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 222 | 73 |
| Metoprolol Succinate | 118 | 54 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 115 | 39 |
| Amiodarone Hcl | 107 | 41 |
| Spironolactone | 80 | 32 |
| Metoprolol Tartrate | 73 | 42 |
| Furosemide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-25
- Last updated
- 2020-08-17
- Certified
- 2020-08-17
Frequently asked questions
- What is Stephen Marietta's NPI number?
- Stephen Marietta's National Provider Identifier (NPI) is 1053301606, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Marietta's specialty?
- Stephen Marietta is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Marietta located?
- Stephen Marietta's practice location on file with NPPES is 9330 Park West Blvd, Knoxville, TN 37923-4308.
- What is Stephen Marietta's phone number?
- The practice phone number listed in the NPPES registry for Stephen Marietta is (865) 691-4850.
- Does Stephen Marietta accept Medicare?
- Stephen Marietta is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Marietta's NPI active?
- Yes — Stephen Marietta's NPI (1053301606) is active in the NPPES registry as of the last update on 2020-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.