NPPES file of Aug 9, 2026

John Farmer, MD

Cardiovascular Disease Physician · Houston, TX

John Farmer, MD is a cardiovascular disease physician with a practice address in Houston, Texas, and NPI 1033299383, issued on Oct 17, 2006. Check the license (Texas E6344, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033299383
Name
John Farmer
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
E6344 TX
Self-reported in NPPES; status is on the state search
Practice location
6620 Main St, Houston, TX 77030
Phone
(713) 798-2545
Enumerated
Oct 17, 2006
Record last updated
Nov 13, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(713) 798-2578
Medicaid ID
127907706 TX
Medicare enrollment
Enrolled (PECOS I20110207000952); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 1974
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6620 Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kjersti Aagaard-Tillery, MDMaternal & Fetal Medicine Physician1033299938
  2. Michelle Agrons, M.D.Diagnostic Radiology Physician1700206166
  3. Aymer Al-Mutairi, M.DFamily Medicine Physician1861712481
  4. Mahboob Alam, M.D.Interventional Cardiology Physician1831342641
  5. Saleema Ali, AGACNP-BCAcute Care Nurse Practitioner1679076103
  6. Gilad Amiel, M.D.Urology Physician1164593869

Verify John Farmer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license E6344
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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20% more Medicare Part D claims than the average cardiovascular disease physician in 2024

3,708 Medicare Part D claims for 472 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. John Farmer3,708
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate299 claims
  2. Amlodipine Besylate292 claims
  3. Atorvastatin Calcium280 claims
  4. Losartan Potassium197 claims
  5. Carvedilol176 claims
  6. Eliquis160 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 91.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score81.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%89.1
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Baylor College OF MedicineHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Farmer among 1,603 cardiovascular disease physician records in Texas

John Farmer, MD is one of 1,603 cardiovascular disease physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.

  • NPI issued2006 · 20% of these records are older, 42% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated1974 · median 1998 among the 1,219 with a school on file
  • Record last updated2020 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Texas

There are 1,603 cardiovascular disease physician records in Texas.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Gregory Appleton, M.D.Houston, TX 770301114927928
  2. Jaime Benrey, MDHouston, TX 770301003810854
  3. Michael Bungo, M.D.Houston, TX 770301497756654
  4. Sayed Feghali, M.D.Houston, TX 770301326040486
  5. Jorge Garcia-Gregory, MDHouston, TX 770301760486450
  6. Ihab Hamzeh, MDHouston, TX 770301700886934
  7. Surendra Jain, MDHouston, TX 770301326036195
  8. Milton Klein, MDHouston, TX 770301689673568

Common questions

What is John Farmer, MD's NPI number?

John Farmer, MD's National Provider Identifier (NPI) is 1033299383, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Farmer, MD located?

The NPPES record lists a practice address at 6620 Main St, Houston, TX, 77030. Phone: (713) 798-2545. Providers update this record themselves, so call before visiting.

How can I verify John Farmer, MD's license?

NPPES lists Texas license number E6344, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Farmer, MD prescribe under Medicare Part D?

In 2024, John Farmer, MD had 3,708 Medicare Part D claims for 472 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is John Farmer, MD's MIPS final score?

The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.