John Farmer, MD
NPI 1033299383 · Cardiovascular Disease Physician · Houston, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Farmer, MD is a Cardiovascular Disease Physician provider in Houston, TX (NPI 1033299383).
Provider details
- NPI number
- 1033299383
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- E6344 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
1,669 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 645 | $130 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 477 | $14 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 280 | $24 |
| Heart Rhythm Recording Continous External Ekg Over More Than 48 Hours Up to 7 Days93242 | 72 | $10 |
| Heart Rhythm Review, and Interpretation of Continous External Ekg Over More Than 48 Hours Up to 7 Days93244 | 72 | $22 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision and Review By Physician |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 299 | 94 |
| Amlodipine Besylate | 292 | 92 |
| Atorvastatin Calcium | 280 | 84 |
| Losartan Potassium | 197 | 66 |
| Carvedilol | 176 | 60 |
| Apixabanbrand: Eliquis | 160 | 46 |
| Furosemide | 145 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2020-11-13
- Certified
- 2020-11-13
Frequently asked questions
- What is John Farmer's NPI number?
- John Farmer's National Provider Identifier (NPI) is 1033299383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Farmer's specialty?
- John Farmer is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Farmer located?
- John Farmer's practice location on file with NPPES is 6620 Main St, Houston, TX 77030-2348.
- What is John Farmer's phone number?
- The practice phone number listed in the NPPES registry for John Farmer is (713) 798-2545.
- Does John Farmer accept Medicare?
- John Farmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Farmer's NPI active?
- Yes — John Farmer's NPI (1033299383) is active in the NPPES registry as of the last update on 2020-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.