John Cage, M.D.
NPI 1003819277 · Cardiovascular Disease Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Cage, M.D. is a Cardiovascular Disease Physician provider in Nashville, TN (NPI 1003819277).
Provider details
- NPI number
- 1003819277
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 19114 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,040 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 798 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 664 | $117 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 112 | $166 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 81 | $64 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 62 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 822 | 250 |
| Metoprolol Succinate | 571 | 196 |
| Amlodipine Besylate | 565 | 188 |
| Valsartan | 519 | 168 |
| Diltiazem Hclbrand: Diltiazem 24hr Er (cd) | 345 | 125 |
| Nebivolol Hcl | 334 | 95 |
| Clopidogrel Bisulfatebrand: Clopidogrel |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$494 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-23
- Last updated
- 2018-07-09
Frequently asked questions
- What is John Cage's NPI number?
- John Cage's National Provider Identifier (NPI) is 1003819277, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cage's specialty?
- John Cage is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Cage located?
- John Cage's practice location on file with NPPES is 222 22nd Ave N, Nashville, TN 37203.
- What is John Cage's phone number?
- The practice phone number listed in the NPPES registry for John Cage is (615) 329-5144.
- Does John Cage accept Medicare?
- John Cage is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Cage's NPI active?
- Yes — John Cage's NPI (1003819277) is active in the NPPES registry as of the last update on 2018-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.