John Baker, MD
NPI 1003801796 · Cardiovascular Disease Physician · Jackson, TN
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Baker, MD is a Cardiovascular Disease Physician provider in Jackson, TN (NPI 1003801796).
Provider details
- NPI number
- 1003801796
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 28097 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
2,227 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 Report Only93010 | 398 | $8 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 246 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 225 | $120 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 221 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 199 | $85 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 214 | 74 |
| Losartan Potassium | 104 | 44 |
| Apixabanbrand: Eliquis | 92 | 33 |
| Carvedilol | 91 | 30 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 85 | 34 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 83 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,246 across 35 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
- 2005-09-19
- Last updated
- 2022-06-07
- Certified
- 2022-06-07
Frequently asked questions
- What is John Baker's NPI number?
- John Baker's National Provider Identifier (NPI) is 1003801796, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Baker's specialty?
- John Baker is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Baker located?
- John Baker's practice location on file with NPPES is 587 Skyline Dr, Jackson, TN 38301-3938.
- What is John Baker's phone number?
- The practice phone number listed in the NPPES registry for John Baker is (731) 421-6510.
- Does John Baker accept Medicare?
- John Baker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Baker's NPI active?
- Yes — John Baker's NPI (1003801796) is active in the NPPES registry as of the last update on 2022-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.